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Prof. Peter Skalicky (Rektor magnificus TU Vienna)19/02/2007, 10:00Invited Talk
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Dr Hanslik (Federal Minstry of Science and Research)19/02/2007, 10:15Invited Talk
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Prof. P. Schuster (President of the Austrian Academy of Sciences)19/02/2007, 10:30Invited Talk
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Paul Lecoq (CERN)19/02/2007, 10:40Invited TalkSince the discovery of X-Rays by Roentgen in 1895 physicists have played a major role in the development of medical imaging instrumentation. More recently the technological developments in several areas of applied physics, the new generation of particle physics detectors and the development of an information based society all combine to enhance the performance of presently available...Go to contribution page
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Marco Garbini (INFN Bologna)19/02/2007, 11:35Contributed TalkThe EEE (Extreme Energy Events) Project is an experiment to study very highenergy air showers through the detection of the muon component using a network of tracking detectors, installed inside Italian High Schools. The EEE project is supported by INFN, CERN, Ministero dell’Universit `a e della Ricerca (MIUR), Centro Fermi and conceived by its leader Antonino Zichichi. The single...Go to contribution page
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Melisa Luca (Uni Claude Bernard Lyon)19/02/2007, 12:00Contributed TalkEDELWEISS is a direct dark matter search looking for Weakly Interacting Massive Particles (WIMPs). In order to measure the low energies of nuclear recoils coming from the scattering of WIMPs from the galactic halo, EDELWEISS uses very sensitive Ge cryogenic detectors in a low radioactivity environment. During its first stage, up to 3 Ge 320 g detectors have been used simultaneously....Go to contribution page
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Hiroyasu TAJIMA (SLAC)19/02/2007, 14:00Invited TalkThe origin of cosmic rays has been a great mystery since they were discovered by Victor Hess in 1912. The AGASA observation of ultra-high- energy cosmic rays (UHECR) possibly beyond the GZK cutoff stimulated the field a great deal. In addition, the Kamiokande detection of neutrinos from SN1987A and the H.E.S.S. detection of TeV gamma-rays from supernova remnants demonstrated the...Go to contribution page
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Frédéric Druillole (Saclay)19/02/2007, 14:50Contributed TalkThe ANTARES telescope is a device of a 0.1 km size to detect high energy neutrinos. It is located in the Mediterranean Sea at a depth of 2500 meters. It consists of a three-dimensional matrix of optical modules (OM) containing photomultiplier tubes. As of September 2006 two complete lines and an instrumentation line, called MILOM, are deployed and fully operational for data taking....Go to contribution page
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Marcos Dracos (CNRS/IN2P3 Université Louis Pasteur)19/02/2007, 15:15Contributed TalkThe main task of the Target Tracker of the long baseline neutrino oscillation OPERA experiment, is to locate in which of the target elementary constituents, the lead/emulsion bricks, the neutrino interactions have occurred and also give calorimetric information about each event. The technology used consists in walls of two planes of long plastic scintillator strips, one per...Go to contribution page
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Mikhail Danilov (ITEP)19/02/2007, 16:10Contributed TalkThe CALICE collaboration is presently constructing a test hadron calorimeter (HCAL) with 8000 scintillator tiles read out by novel Geiger mode semicon- ductor photo detectors - Silicon Photomultipliers (SiPMs). This prototype is the first device which uses SiPMs on a large scale. We present the design of the HCAL including scintillator tile - WLS fiber - SiPM systems, mechan- ics,...Go to contribution page
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64. Single photon timing resolution and detection efficiency of the DASIPM silicon photo-multipliersGianmaria Collazuol (Scuola Normale Superiore, Pisa)19/02/2007, 16:35Contributed TalkSilicon photo-multipliers (SiPM) consist in matrices of tiny, passive quenched avalanche photo-diodes connected in parallel and operated in Geiger mode. Their capability to detect low optical photon fluxes with unprecedented amplitude resolution and their extreme single photon timing resolution make SiPM’s suitable for many applications. The DASIPM 1 collaboration between the Italian...Go to contribution page
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Satoru Uozumi (Shinshu University)19/02/2007, 17:00Contributed TalkThe Multi Pixel Photon Counter is a novel semiconducting photon counting device made by Hamamatsu Photonics K.K. based on concept of Silicon Pho- tomultiplier. The MPPC consists of 100-1600 APD (avalanche photo-diode) pixels, and each pixel works in limited Geiger mode with inverse bias voltage around 80 volts, which is a few volts above breakdown voltage. The MPPC has excellent...Go to contribution page
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Christian Joram (CERN)19/02/2007, 17:25Contributed TalkThe X-HPD concept is a modern implementation of the Dumand and Lake Baikal approach to large area photon detectors, primarily aimed for water based Cherenkov detectors. The main components are an almost spherical vacuum tube of 8-inch diameter and a LYSO scintillation crystal mounted in the centre of the tube. The scintillation light produced after the impact of a photoelectron which...Go to contribution page
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Robert Scheuermann (PSI)19/02/2007, 17:50Contributed TalkThe development of scintillation detectors to be used in a high magnetic field environment requires novel photodetectors to substitute photomultiplier tubes (PMTs). Avalanche microchannel photodiodes (AMPDs) are competitive to PMTs in terms of gain and photon detection efficiency and insensitive to magnetic fields. In this work we use AMPD arrays to build fast timing and large area...Go to contribution page
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Maxim TITOV (Freiburg University)20/02/2007, 09:00Invited TalkAlmost one century after its origin, and thirty years after the invention of the Multi-Wire Proportional Chamber, the field of gaseous detectors is far from being fully exploited. With the increasingly stringent constraints of modern experiments, particularly concerning high rate capability and radiation resistance, spatial resolution and homogeneity of large sensitive area...Go to contribution page
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Joerg Dubbert (MP-Inst. f. Physik, Munich)20/02/2007, 09:55Contributed TalkThe ATLAS experiment at the Large Hadron Collider (LHC) at CERN is currently being assembled to be ready to take first data in fall 2007. Its muon spectrometer is designed to achieve a momentum resolution of better than 10% at pμ = 1 TeV. The spectrometer consists of one barrel and two endcap superconducting air-core toroid magnets and is instrumented with three layers of Monitored...Go to contribution page
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Maria Chamizo Llatas (Cent.de Investigac.Energeticas Medioambientales y Tecnol. (CIEMAT))20/02/2007, 10:20Contributed TalkDuring summer 2006 the solenoid magnet of CMS was tested for the first time at its nominal field of 4T with a slice of each sub-detector operational. The first results and lessons learned with the cosmic runs taken in this configuration will be presented here with emphasis in the muon system. The magnet test has provided a unique opportunity to demonstrate the combined operation of...Go to contribution page
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Ulrich Frankenfeld (GSI Darmstadt)20/02/2007, 11:20Contributed TalkThe Time Projection Chamber (TPC) is the main tracking detector of the heavy ion Experiment ALICE at the CERN Large Hadron Collider (LHC). The field gage manufactured of carbon fiber composites has a total volume of 95 m 3, the readout chambers instrument the two end-plates of the TPC cylinder with an overall active area of 32.5 m 2. The detector covers the pseudorapidity range |η| <...Go to contribution page
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Gabriele Chiodini (INFN Lecce)20/02/2007, 11:45Contributed TalkExtensive tests with cosmic rays have been performed with RPC trigger chambers installed in sector 13 of the ATLAS muon spectrometer. We illustrate the effort and report the results of this pre-commissioning phase, which rappresent a test bench to address the final commissioning of ATLAS RPC by cosmics rays. The tests done are mainly concentrated to establish a set of software and...Go to contribution page
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Tanja Haas (Phys. Institut Heidelberg)20/02/2007, 12:10Contributed TalkThe LHCb experiment is a single arm spectrometer, designed to study CP violation in B-decays at the Large Hadron Collider (LHC). It is crucial to accurately and efficiently detect the charged decay particles, in the high- density particle environment of the LHC. For this, the Outer Tracker (OT) is being constructed, consisting of ∼55,000 straw tubes, covering in total an area of 360 m...Go to contribution page
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Graham Smith (BNL)20/02/2007, 14:00Invited TalkNeutrons and X-rays are two of the most important probes in studies of materials and physical phenomena. Throughout the world, major user facilities with beams of ever-increasing intensity of both types of radiation have been constructed or planned in recent years. This has created a need for neutron and Xray detectors with greater sophistication and higher counting rate capability....Go to contribution page
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David Attie (CEA Saclay)20/02/2007, 14:50Contributed TalkThe Time Pro jection Chamber (TPC) for the International Linear Collider (ILC) will measure about 200 track points with a resolution close to 100 μm. A Micro Pattern Gas Detector (MPGD) readout TPC may achieve the target resolution with existing techniques using 1 mm or narrower pads at the expense of increasing the detector cost and complexity. The new MPGD readout technique of...Go to contribution page
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Makoto Kobayashi (KEK)20/02/2007, 15:15Contributed TalkTime projection chamber (TPC) is considered as a strong candidate for the central tracker at the future linear collider experiment because of its large volume coverage and high three-dimensional granularity. Since the performance of TPC depends on its readout scheme we have conducted a series of experiments in order to compare the performance of prototype TPCs equipped with different...Go to contribution page
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Leszek Ropelewski (CERN)20/02/2007, 16:30Contributed TalkSince its introduction in 1996 GEM (Gas Electron Multiplier) has attracted a lot of interest due to many promising features: good position accuracy and two track resolution, high rate capability, high radiation tolerance and time stability, large flexibility of the geometrical shapes and readout schemes. This has led to a wide range of applications from simple tracking and triggering...Go to contribution page
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Florian Haas (Technische Universitat Munchen)20/02/2007, 16:55Contributed TalkFor its physics program with a high-intensity hadron beam of 2·10 7 particles/s, the COMPASS experiment at CERN requires tracking of charged particles scattered by very small angles with respect to the incident beam. While good resolution in time and space is mandatory, the challenge is imposed by the high beam intensity, requiring radiation hard detectors which add very little...Go to contribution page
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Denis Pavlyuchenko (Budker Inst. Novosibirsk)20/02/2007, 17:20Contributed TalkThe performances of two-phase Ar and Xe avalanche detectors were studied, aiming at their potential application in low-background experiments, such as those of coherent neutrino-nucleus scattering and dark matter search. The two-phase avalanche detector had a liquid Ar or Xe layer and a triple-GEM multiplier operated in the saturated vapour above the liquid phase. The suc- cessful...Go to contribution page
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Jan Timmermans (NIKHEF Amsterdam)20/02/2007, 17:45Contributed TalkIn recent years the detection of minimum ionising particles in a gaseous detector by means of a CMOS pixel readout circuit as direct anode, has been demonstrated. Sofar the used pixel circuitry provided only a 2-dimensional projection of the position of the primary ionisation clusters. In the newly developed TimePix chip, based on the earlier used Medipix2 chip, each pixel also has...Go to contribution page
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Vladimir Peskov (KTH Stockholm)20/02/2007, 18:10Contributed TalkRecently developed micropattern gaseous detectors open new avenues in the detectors technology. However, due to the fine structure of their electrodes, these detectors are quite fragile and can be damaged by sparks. We have developed and successfully tested several prototypes of micropattern gaseous detectors based on a new design in which the cathode or the anode (in some case both...Go to contribution page
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Paula Collins (CERN)21/02/2007, 09:00Invited TalkAs the final touches are being put to the LHC detectors, the race is on to per- fect technologies which could be used to confront the challenges of the ultra high luminosities at the SLHC and ILC. The achievements of the current de- tectors must be extended, with ever more hostile radiation environments, ever shorter signal shaping times and ever increasing emphasis on the highest...Go to contribution page
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Aaron Dominguez (University of Nebraska)21/02/2007, 09:50Contributed TalkThe Compact Muon Solenoid Experiment (CMS) will start taking data at the Large Hadron Collider (LHC) in 2007 with the largest silicon tracking detector ever built. As a key component of this tracker, the collaboration is building a silicon pixel detector consisting of two forward/backward disks on each side of the interaction region and three barrel layers. The pixel detector will be...Go to contribution page
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Romualdo Santoro (INFN+Uni Bari)21/02/2007, 10:15Contributed TalkThe Silicon Pixel Detector (SPD) forms the two innermost layers of the ALICE Inner Tracking System (ITS). The SPD consists of 120 detector modules (halfstaves) on two barrel layers at average radii of 3.9 cm and 7.6 cm, respectively. Each half-stave contains two ladders, each ladder consisting of a 200 μm thick p +n silicon sensor matrix flip-chip bonded to five 150 μm thick...Go to contribution page
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Mauro Donega (Universite de Geneve)21/02/2007, 11:30Contributed TalkThe ATLAS Pixel Detector is an 80 M channels silicon tracking system designed to detect charged tracks and secondary vertices with very high precision. To verify that the integrated assembly will perform as expected subsequent to installation into the experimental area, a fraction (10%) of the detector and the requisite ancillary services has been assembled and operated in a...Go to contribution page
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Olaf Steinkamp (Uni Zurich)21/02/2007, 11:55Contributed TalkThe LHCb Silicon Tracker covers a sensitive surface of about 14 m 2 with silicon micro-strip detectors. It uses up to 132 cm long detector modules with readout strips of up to 38 cm in length and up to 57 cm long Kapton interconnects in between sensors and readout chips. This results in large load capacitances for the front-end amplifiers and an extensive R&D programme was carried...Go to contribution page
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Gian Mario Bilei (INFN Perugia)21/02/2007, 12:20Contributed TalkWith a total area of more than 200 square meters and about 15,000 silicon modules, the Tracker of the CMS experiment at the Large Hadron Collider will be the largest silicon strip detector ever built. Together with a Pixel detection system the CMS Silicon Strip Tracker will determine the charged particle momenta and will play a determinant role in lepton reconstruction and heavy...Go to contribution page
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Guido Heinrich Dirkes (Institut fuer Experimentelle Kernphysik)21/02/2007, 14:00Contributed TalkIn the last year the CMS experiment has constructed and integrated the largest ever build full silicon strip tracker. Therefore the CMS tracker collaboration set up a unique scheme of quality control to ensure the necessary high quality of all of the 15,148 modules and their super structures. The applied scheme of quality control revealed several problems, which escaped the initial R&D...Go to contribution page
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Ewa Stanecka (Henryk Niewodniczanski Institute of Nuclear Physics PAN)21/02/2007, 14:25Contributed TalkThe Semiconductor Tracker(SCT) of the ATLAS detector enters the last phase of installation and commissioning at CERN. Prior to inserting into ATLAS, the barrel part of the SCT has been integrated with the Transition Radiation Tracker (TRT) barrel and tested with cosmic rays. A sector of 468 SCT modules has been powered and read simultaneously with TRT modules in physics mode. In...Go to contribution page
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Alexandre Pronko (FNAL)21/02/2007, 14:50Contributed TalkThe CDF silicon vertex detector is one of the largest operating silicon detectors in particle physics. Its silicon sensors have 722,432 channels read out by 5,456 chips and cover an area of 6 m 2. The detector is used for precision tracking and in the hardware trigger for events with a displaced vertex. It is very important for a success of the CDF physics program. The silicon...Go to contribution page
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Michelangelo Ambrosio (INFN Napoli)21/02/2007, 15:15Contributed TalkCarbon Nanotubes are one-dimensional structures with diameters ranging between 2 and 100 nm and lengths up to hundreds of microns. They are characterized by a large variety of peculiar characteristics such as a semiconductive or metallic behaviour, a ballistic electrical conductivity and enhanced field emission capabilities. Among these characteristics their sensitivity to the...Go to contribution page
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Richard Bates (Glasgow University)21/02/2007, 16:30Contributed TalkThe need for ultra-radiation hard semiconductor detectors for the tracker regions in high energy physics experiments at a future high luminosity hadron collider like the LHC Upgrade has led to the formation of the CERN RD50 collaboration. The R&D directions of RD50 follow two paths: understanding radiation effects, and finding mitigation through the use of new materials, device...Go to contribution page
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Simon Eckert (Universität Freiburg)21/02/2007, 16:55Contributed TalkIn view of the projected luminosity upgrade of the LHC, we are studying novel Silicon detectors in terms of their radiation-hardness to be employed as tracking detectors at the sLHC. We have tested 3D-detectors of singletype-column (STC) design, with only n-type columns etched into a p- type substrate. Rows of the columns are connected together to form strips. Using ATLAS SCT...Go to contribution page
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Wojciech Dulinski (IReS Strasbourg)21/02/2007, 17:20Contributed TalkCMOS sensors are being developed for various position sensitive detectors requiring high granularity and low material budget, together with relatively fast read-out and good radiation tolerance as well as low power dissipation. A review of the charged particle detection performances achieved with sensors of the MIMOSA series will be provided, emphasizing preliminary test results of...Go to contribution page
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Tomoichi Ishiwatari (Stefan Meyer Institut f. subat. Phys., Wien)21/02/2007, 17:45Contributed TalkSilicon Drift Detectors (SDDs) are X-ray detectors with the outstanding performance for the measurement of the kaonic atom X-ray lines. The measurement of the kaonic hydrogen/deuterium X-rays with a high background suppression is a crucial issue, because of the small X-ray yields (a few % in kaonic hydrogen and much smaller in kaonic deuterium) and high background usually...Go to contribution page
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Toru Tsuboyama (KEK)21/02/2007, 18:10Contributed TalkThe effort to develop a monolithic pixel sensor based on the SOI (silicon on insulator) CMOS technology is presented. In SOI, MOS transistors are produced on silicon oxide layer (BOX) above a silicon substrate. A monolithic pixel detector is realized if we adopt a high-resistivity silicon and p-type and n-type implantations can be made in the substrate. The charge induced in the...Go to contribution page
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Andrey GOLUTVIN (ITEP Moscow)22/02/2007, 09:00Invited TalkStructured granular calorimeters play a central role in all modern collider experiments. Calorimeter technologies are strongly motivated by both the physics goals and general concept of particular detector. This paper reviews the status of the LHC calorimeters which have been successfully constructed and presently are in the stage of commissioning. The calorimeters planned for future...Go to contribution page
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Mohamed Aharrouche (LAPP-Annecy)22/02/2007, 09:50Contributed TalkThe ATLAS liquid argon (LAr) calorimeter system consists of an electromagnetic barrel calorimeter and two endcaps with electromagnetic, hadronic and forward calorimeters. The liquid argon sampling technique, with an accordion geometry was chosen for the barrel electromagnetic calorimeter (EMB) and adapted to the endcap (EMEC). The hadronic endcap calorimeter (HEC) is using a...Go to contribution page
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Marcella Diemoz (INFN Rom)22/02/2007, 10:15Contributed TalkThe Large Hadron Collider will allow the study of pp interactions at a center of mass energy of 14 TeV. The main physics goals of the CMS experiment are the discovery of the Higgs boson and the search for new physics phenomena, in particular the appearance of particles predicted by Supersymmetric theories. The Electromagnetic Calorimeter of the CMS experiment is made of 75848 Lead...Go to contribution page
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Anna Ferrari (CNAO Milano)22/02/2007, 11:30Contributed TalkThe KLOE Pb-scintillating fiber calorimeter, primarily designed as an electromagnetic calorimeter, showed a superior neutron efficiency in a measurement performed in the energy range [20,180] MeV at TSL (The Svedberg Laboratory, Uppsala) presented in a parallel contribution to this conference. A detailed simulation of the calorimeter - a complex geometrical structure of 200 layers of...Go to contribution page
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Vaclav Vrba (Czech Ac. of Sciences)22/02/2007, 11:55Contributed TalkIn 2006, the silicon tungsten calorimeter prototype developed by the CALICE Collaboration was irradiated by low energy electrons (< 6 GeV) at DESY and electrons and hadrons (pions and protons) of energies from 6 GeV to 50 GeV and 80 GeV, respectively, at CERN. Obtained data demonstrate superb shower patterns, determined mainly by a small Moliere radius of tungsten and fine...Go to contribution page
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Lars Schmitt (GSI Darmstadt)22/02/2007, 12:20Contributed TalkPANDA is a next generation hadron physics detector planned to be operated at the future Facility for Antiproton and Ion Research (FAIR) at Darmstadt, Germany. It will be using cooled antiproton beams with an energy between 1.5 GeV and 15 GeV interacting with various internal targets. The experiment is focusing on hadron spectroscopy, in particular the search for exotic states in the...Go to contribution page
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Joachim MNICH (DESY)22/02/2007, 14:00Invited TalkThe International Linear Collider (ILC) is the next large project in high energy physics and currently being designed in a global effort. The main scientific goal is to complement the anticipated discoveries at the LHC by precision measurements at the TeV scale. This has challenging implications on the ILC detector design and performance requiring unprecedented precision in...Go to contribution page
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Marc Buehler (University of Virginia)22/02/2007, 14:55Contributed TalkThe DØ experiment at the Fermilab pp Tevatron collider (Batavia, IL, USA) has undergone significant upgrades in anticipation of high luminosity running conditions. As part of the upgrade, the capabilities of the Central Track Trigger (CTT) to make trigger decisions based on hit patterns in the Central Fiber Tracker (CFT) have been much improved. We report on the implementation,...Go to contribution page
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Xavier Llopart Cudie (CERN)22/02/2007, 15:20Contributed TalkA novel approach for the readout of a TPC at the future linear collider is to use a CMOS pixel detector combined with some kind of gas gain grid. A first test using the photon counting chip, Medipix2, with GEM or Micromegas demonstrated the feasibility of such an approach. Although this experiment demonstrated that single electrons could be detected the chip did not provide...Go to contribution page
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Giovanni Ambrosi (INFN Perugia)22/02/2007, 16:20Contributed TalkEight layers of double sided silicon microstrip sensors embedded in a 0.8 T magnetic field constitute the core of the AMS-02 apparatus. In each layer, simultaneous measurements of position and energy loss in silicon are performed along the particle trajectory. With its high spatial resolution, the silicon tracker will determine the rigidity (R) and the charge sign of particles up to...Go to contribution page
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Henning Gast (RWTH Aachen)22/02/2007, 16:45Contributed TalkThe best measurement of the cosmic ray positron flux available today was performed by the HEAT balloon experiment more than 10 years ago. Given the limitations in weight and power consumption for balloon experiments, a novel approach was needed to design a detector which could increase the existing data by more than a factor of 100. Using silicon photomultipliers for the readout of a...Go to contribution page
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Nahee Park (Ewha University)22/02/2007, 17:10Contributed TalkThe Cosmic Ray Energetics And Mass (CREAM) balloon-borne experiment is designed for direct measurement of high-energy cosmic-ray particles. The science goal is to measure the single-element fluxes of all cosmic-ray nuclei from hydrogen (protons) to iron with energies up to the ”knee”, or spectral index change, near 10 15 eV observed in the all-particle spectrum. A dual layer Silicon...Go to contribution page
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Ronaldo Bellazzini (INFN Pisa)22/02/2007, 17:35Contributed TalkWe report on a UV photo-detector with single electron sensitivity and excel- lent imaging capabilities. It is based on a semitransparent CsI photocathode followed by a Gas Electron Multiplier (GEM) foil and by a large area, cus- tom, analog, VLSI ASIC. The avalanche charge produced in a GEM hole is extracted and measured by the CMOS chip that is at the same time the pixelized charge...Go to contribution page
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Kaori Hattori (Kyoto University)22/02/2007, 18:00Contributed TalkFollowing the successful astronomical observation by COMPTEL onboard GRO, a Compton telescope with higher performance is required. With COMP- TEL a direction of a recoil electron was not measured, so an origin of the incident photon could only be reconstructed to a cone. Measuring the direc- tion of recoil electron reduces the Compton cone to a segment of the cone, and realizes the...Go to contribution page
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Peter Krizan (Univ. Ljubljana)23/02/2007, 09:00Invited TalkThe paper will review recent progress in particle identification methods. After a survey of motivations and requirements for particle identification in various experimental environments, the main emphasis will be on the development of new ring imaging Cerenkov counters. A number of new techniques has emerged recently, from upgrades of existing devices to a novel focusing radiator...Go to contribution page
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Franck Martin (University of Pennsylvania)23/02/2007, 09:55Contributed TalkThe ATLAS experiment at LHC is now approaching the end of the construction phase. In this presentation, I will focus on the ATLAS-TRT (Transition Radiation Tracker) assembly and its installation in the ATLAS cavern, which covers the period of the last two years. After an overview of the TRT detector, I will show the various tests performed during the ”stacking” of the TRT wheels....Go to contribution page
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Mariana Petris (IFIN-HH Bukarest)23/02/2007, 10:20Contributed TalkA new Transition Radiation Detector (TRD) prototype with a high granularity for a high counting rate environment, required by the CBM experiment, at the future experimental facility FAIR - GSI Darmstadt, was designed and built. A solution for such a detector is a multiwire proportional chamber with a minimized drift region, reduced to a cathode - readout pad plane distance of 6 mm...Go to contribution page
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Gabriel Vidal-Sitjes (Imperial College, London)23/02/2007, 11:20Contributed TalkThe LHCb experiment has been optimized for high precision studies of CP violation and other rare decay phenomena in B-meson decays at the CERN LHC. Particle Identification (PID) in the momentum range from a few to ∼100 GeV/c is essential. Hadrons in this momentum range are identified by means of two Ring Imaging Cherenkov (RICH) detectors using Silica Aerogel, C4F10 and CF4 gas...Go to contribution page
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Abraham Antonio Gallas Torreira (Istituto Nazionale di Fisica Nucleare (INFN))23/02/2007, 11:45Contributed TalkThe construction and installation phases of the High Momentum Particle IDentification detector (HMPID) of the ALICE experiment were completed by summer 2006. The HMPID has been designed to identify charged pions and kaons in the range 1 < pt < 3 GeV/c and protons in the range 2 < pt < 5 GeV/c. The total active area of this detector is 11 m 2 and represents the largest scale...Go to contribution page
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Fulvio Tessarotto (INFN Triest)23/02/2007, 12:10Contributed TalkA fast photon detection system has been designed and built for the upgrade of COMPASS RICH-1, a large size gaseous RICH in use at the COMPASS Experiment at CERN SPS since 2001 and successfully operated in its upgraded version during the 2006 run. The aim of the upgrade was to make RICH-1 adequate for high rate operation: the photon detectors of the central region have been replaced...Go to contribution page
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Helmuth Spieler (LBNL)23/02/2007, 14:00Invited TalkThe past two decades have provided a wealth of experience in highly integrated front-end electronics for high energy physics. The SLHC and ILC, however, pose formidable challenges, not so much to technology, but to optimum utiliza- tion of existing technology. The increased radiation load at the SLHC drives detectors to higher segmentation, which exacerbates the problems of reducing...Go to contribution page
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Ichiro Adachi (KEK)23/02/2007, 14:55Contributed TalkProximity focusing RICH based on silica aerogel Cherenkov radiator has been developed for new particle identification device in the Belle detector upgrade. To further improve detector performance, new concept for Cherenkov ring imaging has been introduced, where multiple aerogel layers with different indices are accumulated to increase detected photoelectrons without making a signle...Go to contribution page
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Jerry Va'vra (SLAC)23/02/2007, 15:55Contributed TalkBenefiting form from the recent introduction of new fast vacuum-based pho- ton detectors with a transit time distribution of σ_TTS ∼ 30-150ps, we are developing novel RICH detector capable of correcting the chromatic error by timing, attempted the first time ever on such a scale; we are also developing a novel TOF detector concept. We have built and successfully tested a novel...Go to contribution page
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Sergey A. Kononov (Budker Inst. Novosibirsk)23/02/2007, 16:20Contributed TalkThe work on aerogel Cherenkov counters was started in Novosibirsk in 1986. Our group produces silica aerogels with refractive indices of 1.006–1.13. Largest block dimensions achieved for n=1.03 are 200 × 200 × 50 mm^3. Optical transparency of Novosibirsk aerogel is one of the best in the world. The particle identification system for the KEDR detector based on the ASHIPH coun- ters...Go to contribution page
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Ryu Sawada (Uni Tokyo)23/02/2007, 16:45Contributed TalkMEG experiment is a rare muon decay search experiment. A muon rare decay μ + → e + γ violates lepton flavor conservation. The standard model predicts too small branching ratio to observe, however many new theories predict observable branching ratio. MEG experiment has sensitivity to the background ratio better than 10 −13 which is two orders of magnitude better than current...Go to contribution page
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Fabio Sauli (CERN)23/02/2007, 17:10Invited Talk
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Mr Erik Vallazza (INFN Triest)24/02/2007, 09:00Contributed TalkDuring 2006 the SYRMEP (Synchrotron Radiation for Medical Physics) collaboration performed worldwide unique clinical mammographic examinations using X-rays generated by one of the bending magnets at the synchrotron radiation facility Elettra (Trieste, Italy). While these examinations have been performed with traditional screen-film systems, recently a major effort has been pursued in...Go to contribution page
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Sara Vecchio (INFN Pisa)24/02/2007, 09:25Contributed TalkWe have developed a tomograph for single photon emission imaging (SPECT) of the breast for the detection of small size tumors. The patient is prone with a pendulus breast. The SPECT is mounted on a ring that is rotating around the breast. The breast will be imaged by two opposing detector heads of approximately 5x15 cm^2 each, with a field of view about 13 cm wide. Each head is made up of...Go to contribution page
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Giacomo Bartesaghi (INFN Mailand)24/02/2007, 09:50Contributed TalkRadiotherapy, together with chemiotherapy and surgery, is one of the main methods applied in the fight against cancer; in order to increase the chances of a successful radiotherapy treatment the dose delivery to the tumour areas and the surrounding normal tissues has to be computed with high accuracy. Standard dosimeters are accurate but too small (ionization chambers and diodes) or...Go to contribution page
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Valentina Conti (INFN Mailand)24/02/2007, 10:15Contributed TalkBoron Neutron Capture Therapy (BNCT) is a therapeutic technique exploiting the release of dose inside the tumour cell after a fission of a 10B nucleus following the capture of a thermal neutron. BNCT could be the treatment for extended tumours (liver, stomach, lung), radio-resistant ones (melanoma) or tumours surrounded by vital organs (brain). The application of BNCT requires a high...Go to contribution page
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Mr Andrew Blue (Uni Glasgow)24/02/2007, 11:10Contributed TalkA monolithic active pixel sensor, Vanilla, with 512x512 pixels (25μm square) has been fully characterised for the first time. Using PTC (Photon Transfer Curve) measurements allowed for the calculation of the read noise, shot noise, full well capacity and camera gain constant. Spectral response measurements detailed the QE of the detector through the UV and visible region....Go to contribution page
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Tsutomu Nagayoshi (Waseda University, Tokyo)24/02/2007, 11:35Contributed TalkAstronauts have to receive the risk of radiation exposure in space. The radiation dose rate is about a hundred times as much as that on the ground. Hence, precise radiation dosimetry in space is necessary to control the health of astronauts. We started to develop a new dosimeter named “Position Sensitive Tissue Equivalent Proportional Counter (PS-TEPC)” to measure Linear Energy...Go to contribution page
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Maria Cristina Montesi (INFN Napoli)24/02/2007, 12:00Contributed TalkIn the framework of a national project for new imaging techniques for breast cancer diagnosis we are implementing an X-ray Computed Tomography (CT) system, with a design resolution of 1 mm, on the gantry of a dedicated scintillator based single photon emission tomography (SPECT) system for breast Tc-99m imaging, to allow for anatomical co-registration of the radionuclide tomographic...Go to contribution page
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Gabriela Ribeiro Pereira (Nucl. Instrum. Lab., Rio de Janeiro)24/02/2007, 12:25Contributed TalkAn X-ray Transmission Microtomography (CT) system combined with an Xray Fluorescence Microtomography (XRFCT) system was implemented in the Brazilian Synchrotron Light Source (LNLS), Campinas, Brazil. The main of this work is to determine the elemental and absorption distribution map in breast tissue samples. The experiments were performed at the X-Ray Fluorescence beamline (D09B-XRF)...Go to contribution page
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Yuri Tikhonov (Budker INP)24/02/2007, 12:50Contributed TalkLast years Budker INP has been developing digital scanning low-dose X-ray systems for medical radiography based on ionization chambers. These systems provide dose ∼ 5 μSv for chest inspection (lowest dose in the world). The spatial resolution is 2 p.l./mm, dynamic range is ∼ 1000. About 300 such systems have been produced by industry and are used in Russian hospitals. Similar method...Go to contribution page
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Mirco Andreotti (INFN Ferrara)Poster (Session A)The new barrel Instrumented Flux Return (IFR) of BABAR detector will be reported here. Limited Stramer Tubes (LSTs) have been chosen to replace the existing RPCs as active elements of the barrel IFR. The layout of the new detector will be discussed: in particular, a cell bigger than the standard one has been used to improve efficiency and reliability. The extruded profile is coated...Go to contribution page
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Gregorio Roper (RWTH Aachen)Poster (Session A)Using thin scintillating fibers with Silicon Photo Multiplier (SiPM) readout a modular high resolution charged particle tracking detector has been developed. The fiber modules consist of eight layers of 128 round multiclad Bicron BCF-20 scintillating fibers of 0.250 mm diameter. They are mechanically stabilized by a carbon fiber airex structure (2 x 0.1 mm CF skins, 5 mm airex foam)....Go to contribution page
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Alexei Lebedev (Brookhaven National Lab)Poster (Session A)A new method utilizing diffraction of UV laser beams on annular diaphragms provides very narrow laser beams with full diameter 100-400 mm, divergence ∼0.05 mrad and effective length up to 10 meters, which exceeds existing methods with focusing optics. The characteristics of laser beams and linear ionization created with different diaphragm sizes are present. Optics schemes proposed...Go to contribution page
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Esther Ferrer Ribas (DAPNIA, Saclay)Poster (Session A)A low background Micromegas detector has been operating on the CAST experiment at CERN for the search of solar axions during the first phase of the experiment. A very high level of background rejection (4 × 10 −5 counts keV −1cm−2s−1) was achieved due to its good spatial and energy resolution as well as the low radioactivity materials used in the construction of the detector. For the...Go to contribution page
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Wooyoung Kim (Kyungpook National University)Poster (Session B)Jefferson Lab aims at further study of quark-gluon structure of hadrons. The US Department of Energy has placed Jlab on path toward the major upgrade of the Continious Electron Beam Accelerator Facility. DOE has recently announced its decision to meet Jlab’s proposal to double the acccelerator energy from 6 to 12 GeV, to add a fourth experimental hall, and to upgrade the existing...Go to contribution page
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Antonio Paolozzi (INFN Frascati + Uni Sapienza Roma)Poster (Session A)The use of fiber optic sensors for performing structural health monitoring by measuring strains is becoming more and more frequent. In fact those sensors offer several advantages over conventional sensors. One of those is the immunity from electromagnetic interferences. This aspect is particularly attractive in the environmental conditions of contemporary High Energy Physics...Go to contribution page
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Rudolf Fruhwirth (Institut fuer Hochenergiephysik (HEPHY))Poster (Session B)Detector concepts are in general optimized by Monte Carlo simulation. However, programs for simulation and reconstruction of detector related data from track measurements are nowadays of great complexity. The detector toy program is a simple MATLAB tool which allows the fast optimization of the position and precision of track sensitive detector modules and their material budget. It...Go to contribution page
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Oliver Kortner (MPI Munich)Poster (Session B)The ATLAS muon spectrometer consists of three layers of precision drift-tube chambers in an air-core toroid magnet system with an average field of 0.4 T. The muon momenta are determined with high accuracy from the measure- ment of the sagitta of the muon tracks in the three chamber layers. In order to achieve the required momentum resolution of the muon spectrometer of bet- ter...Go to contribution page
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Dmitry Ilyin (St. Petersburg Nucl. Phys. Inst., Gatchina)Poster (Session A)Some time ago it was demonstrated that the method of Nuclear Reaction Analysis (NRA) is very effective for investigation of the aging effects in the gas-filled detectors operated under high accumulated dose. The most important plasmachemical reactions for the gas mixtures (Ar/CO2/CF4 and Xe/CO2/CF4) produce many different active species including oxygen and fluorine. For the...Go to contribution page
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Michael Eads (University of Nebraska)Poster (Session A)The CMS detector is a multipurpose collider detector that is being constructed at the Large Hadron Collider and is scheduled to begin taking data in 2007. At the heart of the all-silicon tracking system is a silicon pixel detector divided into a cylindrical barrel and forward disks. The forward pixel system is currently being assembled and is scheduled for insertion into CMS in 2008....Go to contribution page
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Antonio Policicchio (Universita degli Studi della Calabria)Poster (Session B)Many of the physics processes of interest at Large Hadron Collider (LHC) will involve muon production in the final state. The Monitored Drift Tube (MDT) chambers, the precision tracking elements of the ATLAS muon spectrometer, are the main tools for the muon identification and measurement. They will operate in the harsh background environment imposed by the LHC conditions, mainly due...Go to contribution page
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Irena Dolenc (Jozef Stefan Inst. Ljubljana)Poster (Session B)In order to monitor beam conditions and detect signs of beam instabilities which could cause damage to their detectors, LHC experiments have decided to develop their own systems in addition to those provided by the accelerator. ATLAS Beam Conditions Monitor (BCM) will consist of eight detector modules with diamond pad sensors, placed symmetrically around the interaction point along...Go to contribution page
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Inaya Correa Barbosa Lima (Nucl. Instrum. Lab., Rio de Janeiro)Poster (Session B)The osteoporosis is a pathology that assails the bones, defined as systemic skeletal disease characterized by a decrease in the bone mass and deterioration of the microarquitecture with the increase of the bone fragility and more susceptibly to fractures. The ovariectomized process in female rats has been used frequently as animal model of experimental osteoporosis, because it...Go to contribution page
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Antony Sarrat (Saclay)Poster (Session A)A large volume TPC will be used in the near future for a variety of experiments, including T2K and probably the Linear Collider detector. The “bulk” Micromegas detector is a novel Micromegas construction technique particularly suited for building compact and robust low mass detectors. The capability to pave a large surface with a simple mechanical solution and negligible dead space...Go to contribution page
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Giovanni F. Tassielli (INFN Lecce)Poster (Session A)To optimize resolutions, both spatial and dE/dx, in a large gas drift chamber or in a system of stacked drift tubes, the gas mixture used is such that the ionization clusters are densely created along the charged track, thus resulting in a signal well defined in time and dominated in amplitude by Landau fluctuations only. Spatial resolution is limited by the primary ionization...Go to contribution page
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Leonello Servoli (INFN Perugia)Poster (Session B)An active pixel sensor has been developed using standard CMOS technology, UMC 0.18 micron with no epitaxial layer, with pixel size 4.4 x 4.4 micron, in the framework of the RAPS project. In this work we will report on the results obtained using several types of ionizing radiation sources (Laser, X-ray tubes, α, β and γ) to test extensively the device. Some of the main results...Go to contribution page
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Gianluca Traversi (Universita Bergamo)Poster (Session B)This paper is intended to discuss the features of a novel kind of monolithic active pixel sensors (MAPS) in deep submicron CMOS technology (130 nm minimum feature size) for use in charged particle trackers and vertex detectors. As compared to conventional MAPS with 3-transistor readout scheme, the design approach proposed here, where a deep N-well (DNW) is used as the collecting...Go to contribution page
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Oleg A. Grachov (University of Kansas, Lawrence)Poster (Session A)Two identical Zero Degree Calorimeters (ZDCs), designed to measure neutrons and very forward photons in the heavy-ion and low luminosity pp collisions at the LHC, are located at ±140 m from the CMS interaction point. Each ZDC consist of two independent compartments: the electromagnetic (EM) and hadronic section (HAD). The calorimeter sections are sampling calorimeters, and core of...Go to contribution page
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Stefan Koestner (CERN)Poster (Session B)An extensive RnD program together with an optimized detector design and high performing readout electronics is essential for the success of an experiment. However the required amount of work and complexity to integrate a complete subdetector system into an experiment control system at the level of an expert system is oftenly underestimated. We report here on the layered software...Go to contribution page
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Svetozar Kapusta (Comenius University)Poster (Session A)The Alice Detector Controls system is in charge of configuration, control and monitoring of more than 100 subsystems, consisting of a total numbers of ∼100 000 channels. All controls tasks are performed by a big distributed system based on PVSS-II. A big emphasis was put into providing software abstraction layers which hide the complexity and variety of the implemented hardware...Go to contribution page
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MARCO ORIUNNO (CERN)Poster (Session A)The Roman pots of the TOTEM experiment at LHC will be equipped with edgeless silicon micro-strip detectors. Each of the 24 pots comprises an as- sembly of 10 detector planes under vacuum and cooled at -15 deg C. The thin pot window made of stainless steel separates the secondary vacuum from the primary vacuum of the LHC accelerator. The detectors are mounted very close (100μm) to...Go to contribution page
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Thomas Asch (FZ Karlsruhe)Poster (Session B)Ultra high energy cosmic rays (UHECRs) generate in the atmosphere secondary particles, in particular a high number of e + e − pairs. The geosynchrotron theory predicts pulsed, coherent radio emission from the deflection of these light charged particles in the earth’s magnetic field. Within the framework of LOPES (Lofar PrototypE Station), 30 short dipole antennas (LOPES30) are...Go to contribution page
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Stefan Koenig (Uni Freiburg)Poster (Session B)The Monitored Drift Tube chambers (MDT) of the ATLAS muon system have been constructed and partly installed in the ATLAS cavern at CERN with the required mechanical precision and spatial resolution. The main challenge at LHC will be the high dose of radiation. Therefore it is essential to avoid any pollution, since it can cause severe ageing effects in a short period of time. Despite...Go to contribution page
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Alessandro Gabrielli (INFN Bologna)Poster (Session B)The SLIM5 collaboration has already designed fabricated and tested two prototypes of CMOS MAPS sensors. The new key feature of these devices with respect to previously developed MAPS sensors is to include at the pixel level a full signal processing chain. By exploiting the triple well option offered in 130nm CMOS technology, the pixels have been designed with a signal processing...Go to contribution page
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Kunihiro Fujita (Osaka University)Poster (Session A)We developed position sensitive gas detector with Gas Electron Multiplier (GEM) for tracking of charged particle. Our physics goal is to study the short range correlation of the nuclear interaction in the nuclear medium with a Coherent Pion Production (CPP) experiment. The experiment is performed at the neutron time of flight facility (NTOF) at RCNP with the 12C(p, nπ+)12C(ground...Go to contribution page
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Bernhard Ledermann (Uni Karlsruhe)Poster (Session A)A Time Projection Chamber (TPC) with GEM technology is well-suited for usage as central tracker at the International Linear Collider (ILC). To study the high potential of this detector type a small prototype of 25 cm length was built in Karlsruhe and used in several experimental setups. We present the results of these measurements and of additional MonteCarlo simulations. By...Go to contribution page
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Damir Bosnar (University of Zagreb)Poster (Session B)Positron annihilation (PA) techniques became, by now, routinely used nuclear techniques with applications which range from structural investigations of materials to biological samples and medical applications in PET. As at present, both PA spectroscopy and PET could profit from an improvement in fast coincidence technique, it was investigated how far could a fully digitized positron...Go to contribution page
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Alexandre Popov (Budker Inst. Novosibirsk)Poster (Session A)The design and performance of the Drift Chamber for the CMD-3 detector is described. The detector will be installed on new electron-positron collider VEPP- 2000 with center of mass energy from 0.6 to 2 GeV at Budker Institute of Nuclear Physics in Novosibirsk.Go to contribution page
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Ajay Srivastava (Unknown)Poster (Session B)For the luminosity upgrade of the LHC CERN to 1035 cm −2 s−1 (Super- LHC or S-LHC), the presently available Si detector technology may not be able to match the extreme requirements with respect to the necessary radiation tolerance. The innermost tracker detectors will have to face particle fluences (jeq.) above 1016 cm −2, (equivalent to 1 MeV neutron dose) after 5 years of operation...Go to contribution page
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Markus Friedl (HEPHY Vienna)Poster (Session B)The Belle experiment at KEK (Tsukuba, Japan) studies CP violation in B meson decays by measuring the sides and angles of the unitarity triangle. Some of these measurements require the reconstruction of the vertices of the two decaying B mesons in an Y(4S) event, making the Silicon Vertex Detector (SVD) a critical device for the experiment. The initial SVD1 was in operation from 1999...Go to contribution page
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Oana Boeriu (Department of Physics)Poster (Session A)The cathode strip chamber (CSC) system is one of the three types of muon detectors used in the Compact Muon Solenoid (CMS) experiment at the Large Hadron Collider (LHC). It consists of 468 chambers, with a total of ∼218k strips and ∼183k wires, divided into two endcaps. The chambers have excellent signal-to-noise performance and they operate in a large non- uniform magnetic field...Go to contribution page
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Jochen Markert (Goethe Universitaet Frankfurt)Poster (Session B)The HADES tracking system consists of 24 trapezoidal, planar 6-layered lowmass multi-wire drift chambers (MDC) symmetrically arranged in six sectors, forming four tracking planes (I-IV) of increasing size. The analog part of the readout of the drift cell signals is done via ASD8-B (Analog Shaper Discriminator ) chips for differential amplification, shaping and discrimination. The...Go to contribution page
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Fuyuki Tokanai (Yamagata University)Poster (Session A)We report on the basic characteristics of a capillary plate (CP) gas detector filled with CF4 gas mixtures of Ne/Ar as a gas scintillation proportional counter. Both the charge and light signal were investigated. Gas gains of up to 10 4 can be achieved with the gas mixtures. The energy resolutions of the charge and light signals were 19.6% and 23.5% for 5.9 keV X-rays, respectively,...Go to contribution page
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Nils Pickert (Uni Erlangen)Poster (Session B)The Hermes collaboration installed a new Recoil Detector surrounding the internal gas target to upgrade the existing spectrometer. It will allow the detection and identification of low energy protons at large angles originating from hard exclusive processes. These measurements will provide access to generalised parton distributions. This Recoil Detector consists of three...Go to contribution page
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Dieter Renker (PSI)Poster (Session A)A small arrangement of Geiger-mode avalanche photodiodes (G-APDs) and two PMTs has been set up on an air Cherenkov telescope for gamma-ray astronomy in order to test if it is possible to detect Cherenkov light from cosmic air showers. The aim of this test, a possible proof of concept, is to evaluate the use of G-APDs as a replacement of PMTs in future imaging air Cherenkov...Go to contribution page
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Lucia Sarchiapone (Unknown)Poster (Session B)One of the crucial elements in terms of machine protection for CERN’s Large Hadron Collider (LHC) is its beam loss monitoring (BLM) system. Online loss measurements must prevent the superconducting magnets from quenching and protect the machine components from damages due to unforeseen critical beam losses. In order to ensure the BLM’s design quality, in the final design phase of the...Go to contribution page
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Adriano Di Giovanni (Gran Sasso)Poster (Session A)OPERA is an underground neutrino oscillation experiment to search the ντ appearence from a pure νμ beam produced in the CNGS. A large VETO system, consisting of two 10.0 × 9.2 m 2 planes made of electronic detectors, is foreseen to flag the events due to the neutrino interactions with the rock surrounding the OPERA detector. The VETO is realized using Glass Resistive Plate Chamber...Go to contribution page
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Kikuo Kimura (Nagasaki Inst. of Applied Science)Poster (Session B)A high-rate particle identification device for high-energy heavy ions has been developed which utilizes a stacked configuration of grid-less parallel plate gas ionization chamber with thin anode-cathode gaps. The high-rate capability of this chamber was realized by adopting bipolar shaping of anode signals and by making the anode- cathode gaps thin. Z-resolutions of 0.2-0.3 were...Go to contribution page
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Simone Ceresa (Unknown)Poster (Session A)The two innermost layers of the ALICE detector are formed by hybrid silicon pixel detectors. At radii of 3.6 cm and 7.6 cm the ∼106 pixel cells of the ALICE Silicon Pixel Detector (SPD) will provide high granularity tracking information close to the interaction point. The installation of the SPD in the ALICE experiment is foreseen for January 2007. The integration of the SPD is...Go to contribution page
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G.S. Panayiotakis (Dep.f.Med.Physics, University of Patras)Poster (Session B)LSO:Ce, LYSO:Ce and GSO:Ce single crystal scintillator light emission characteristics were studied in low γ-ray energy range (Tc-99m source) used in nuclear medical imaging. The absolute luminescence efficiency and the optical emission spectrum of the three scintillators was measured, under γ- ray excitation using an integration sphere coupled to a photomultiplier and a spectrometer...Go to contribution page
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Stanislav Potashev (Inst. of Nucl. Research, Moscow)Poster (Session B)A system of three ion-chambers with low threshold energy, giving new possibilities in proton beam monitoring and analyzing, is considered. The system includes a new double-gap chamber with the gap of 1 mm, with polyimid films of 3 μm thickness and with the sensitive area 113 cm 2 and two double-gap ionchambers, each with the gap of 2 mm. Ionization losses in each of six sensitive air...Go to contribution page
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Peter Kodys (Charles University Praha)Poster (Session B)A setup for testing silicon position sensitive detectors using focused pulsed laser beam has been built. Laser focuser is positioned at stages allowing 3D motion and rotation around 2 axes. Automated procedures for positioning, focusing, and alignment have been developed. In addition to standard laser measurements (response, timing, spatial resolution), absolute charge deposition and...Go to contribution page
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Beniamino DI GIROLAMO (CERN)Poster (Session B)This contribution will report about the ATLAS Luminosity measurements using a Scintillating Fibre Detector in a Roman Pot system. A description of the Roman Pot system will be made together with a description of the development, construction and operation of ALFA (Absolute Luminosity For ATLAS) scintillating fibre detector prototypes. The ATLAS Roman Pots will be located at 240 m...Go to contribution page
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Helmut Frais-Kölbl (FH Wiener Neustadt)Poster (Session B)Future medical ion beam applications for cancer therapy will require advanced beam diagnostics equipment. For a precise analysis of beam parameters a time resolution in the range of microseconds to nanoseconds is desirable. A prototype of an advanced beam monitor was developed by the University of Applied Sciences Wiener Neustadt and its research subsidiary Fotec in co-operation with...Go to contribution page
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Alexey Mykhailenko (Kiev Inst. of Nucl. Research)Poster (Session B)The Metal Microstrip Detector (MMD) is presented. The MMD is designed and used for on-line profile monitoring of synchrotron radiation beams. The results obtained at HASYLAB (DESY) with 20 keV synchrotron radiation are discussed. The principle of its operation is based on the Secondary Electron Emission (SEE): X-ray photons (or fast charged particles) hitting a narrow (20-35 μm)...Go to contribution page
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Thomas Zerguerras (Uni Paris-Sud)Poster (Session A)Micropattern Gaseous Detectors (MPGD), like Micromegas or GEM, are used or foreseen in particle physics experiments for which a very good spatial resolution is required. We have developed an experimental method to separate the contribution of transverse diffusion and the multiplication process by varying the number of primary electrons generated by a point- like source. A pulsed...Go to contribution page
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Hiroyuki Takahashi (Uni Tokyo)Poster (Session A)We are developing a multi-grid-type MSGC with the global-local-grouping (GLG) readout method for neutron scattering applications. In this method, avalanche charge is divided into two ways. A half charge is used for indicating the coarse position of the incident radiation. And the other half charge is used for locating the detailed position of the incident radiation. In this way, the...Go to contribution page
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Kensuke Homma (Uni Hiroshima)Poster (Session B)The detection principle of charged particles developed so far is based on the local inelastic processes such as ionizations and excitations with the energy consumption above 1eV order. However, if one could utilize more macroscopic processes such as polarizations in an electro-optical(EO) crystal for the electric field sensing, the necessary energy consumption is expected to be well...Go to contribution page
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Pierluigi Catastini (INFN Pisa)Poster (Session B)The Silicon Vertex Trigger (SVT) provides the CDF experiment with a powerful tool for fast and precise track finding and fitting at trigger level. The system enhances the experiment reach on B-physics and large PT -physics coupled to b quarks. We will review the design and the performance of the SVT with particular attention to the recent upgrade that improved its capabilities....Go to contribution page
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Björn Seitz (Uni Glasgow)Poster (Session B)The PANDA experiment at the planned FAIR facility at GSI, Darmstadt aims at measuring hadronic final states with unprecedented precision and luminosity. Superior particle identification of charged and neutral particles covering the full solid angle and momenta up to 15 GeV/c is mandatory to fullfill PANDA’s physics aims to search inter alia for exotic charmed mesons and glueballs....Go to contribution page
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Shoji Uno (KEK, Tsukuba)Poster (Session A)We constructed a GEM chamber using new GEM foils, which are produced using a new etching method by an Japanese company. The new method has two steps (Plasma and Laser) to make holes in a flexible printed circuit board. Similar effective gas gain was obtained in a triple GEM chamber using new GEM foils, as compared with the standard CERN GEM. It is possible to make holes in thicker...Go to contribution page
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Federico Pilo (Uni Pisa)Poster (Session A)AMS-02 is an astroparticle experiment that will operate on board of the ISS for a period of about 3 years. The main scientific goals of the experiment are the search for antimatter and dark matter and the study of gamma rays. In AMS-02 the Electromagnetic Calorimeter (ECAL) plays a key role for its high capability to measure e +, e− and gamma spectra and to discriminate...Go to contribution page
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Jose A. Matias Lopes (Uni Coimbra)Poster (Session A)The photoelectron-collection efficiency from photocathodes in noble gases is studied. The case of electron emission induced by a Hg lamp in a CsI photocathode is analyzed. The ratio between the number of transmitted photoelectrons in the gas media and in vacuum is determined, and results are presented for He, Ne, Ar, Xe, Kr, and CH4 as a function of the applied reduced electric field...Go to contribution page
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Jean-Charles Fontaine (Institut Universitaire de Technologie de Mulhouse (IUT))Poster (Session A)The poster will explain the production of the 292 petals needed to build both CMS Tracker End Caps (TECs). There will be first a description of the petal itself integrating many components, the main ones being the silicon modules. The organisation of the production involving 7 Institutes all over Europe will then be explained. The assembly and testing of the petals will be detailed...Go to contribution page
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Samo Korpar (Uni Maribor)Poster (Session B)A proximity focusing RICH with aerogel radiator has been studied to further improve the pion-kaon separation in the forward region of the Belle spectrometer. Such a proximity focusing RICH counter is also a very fast detector, in particular if a micro-channel plate (MCP) PMT is used as the photon detector. With its excellent timing properties, the same device could also serve as a...Go to contribution page
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Iouri Musienko (Northeastern University)Poster (Session A)Results on the radiation hardness of multipixel Geiger-mode avalanche photodiodes (G-APDs) are presented. Recently-developed G-APDs from three manufacturers (Hamamatsu (Japan), CPTA(Russia) and Mikron/ Dubna(Russia)) were exposed to 28 MeV positrons with fluences up to 8 · 10 10 positrons/cm2 at the Paul Scherrer Institute. The effects of this radiation on many G-APD parameters such...Go to contribution page
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Bhaskar Mukherjee (DESY)Poster (Session B)In April 2006, the Free Electron Laser (FEL) generating 13 nm laser light with a high brilliance started its routine operation at DESY. The FEL facility is named FLASH (Free Electron Laser in Hamburg), driven by a 145 m long, 1 GeV superconducting electron linac. A myriad of state-of-the-art electronic devices comprised of microelctronic components, which are susceptible ionising...Go to contribution page
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John Swain (Department of Physics - Northeastern University)Poster (Session A)The FEU-187 15-stage photomultiplier produced by RIE was tested at PNPI for its suitability for calorimetry in very forward regions at colliders. At levels expected in the LHC environment, it is radiation hard, resistant to magnetic fields, and unaffected by the presence of helium. It has an excellent time resolution of 58 ps, measured in time of flight measurements with 1.8 Gev/ c...Go to contribution page
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Wolfgang Waltenberger (HEPHY VIENNA)Poster (Session A)A toolkit is presented that takes a set of reconstructed particle tracks as its input and produces reconstructed interaction vertices as its output. It deals both with finding (pattern recognition) and with fitting (statistical estimation) of the interaction vertices. Its main design goals are ease of use, high integratability in existing software projects, extensibility, and...Go to contribution page
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Gianluigi Casse (Uni Liverpool)Poster (Session B)Silicon sensors will probably be the choice for the inner tracker detectors of the experiments in the anticipated LHC luminosity upgrade (Super LHC, SLHC). These sensors will have to survive a radiation environment almost an order of magnitude higher than within the already challenging LHC trackers. The final cumulated fluence will depend on the integrated luminosity targeted by the...Go to contribution page
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David Watts (Universitat Barcelona)Poster (Session A)Previous work on the FGLD (Field Gradient Lattice Detector) involved reading out 50 strips from the detector using the GP5 chip: a 128-channel charge sensitive preamplifier with integrated individually programmable trigger. The work showed that the GP5 was suitable as a front-end electronics, but demostrated the need to protect the inputs from discharges inherent in the detector. To...Go to contribution page
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Andreas Bamberger (Albert-Ludwigs Universitaet Freiburg)Poster (Session A)The combination of Micro-Pattern-Gas-Detectors and highly pixelated readout provided by the MediPix2 chip and by the recently developed TimePix chip demonstrates a new approach of the TPC-readout for the ILC. For the DESY test beam of 5 GeV electrons the results of a triple GEM/ MediPix2 and a triple GEM/TimePix detector with 55μm readout pitch are presented. Different gases (Ar/CO2,...Go to contribution page
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Roman Mizuk (Inst. f. Theor. and Exp. Physics, Moscow)Poster (Session B)We propose a muon system for the Super BELLE based on scintillator counters with wave-length-shifting fibers, read out by metal-resistor silicon avalance photodiods operating in the Geiger mode (MRS APD) produced by CPTA (Moscow). We produced 150 scintillator strips and MRS APDs to be installed in the BELLE environment for the background measurement and long term stability study....Go to contribution page
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Rok Pestotnik (Jozef Stefan Inst. Ljubljana)Poster (Session A)A novel photon detector, silicon photomultiplier, whose main advantage over photomultiplier tubes is the operation in high magnetic field environments, has been tested in view of measuring Cherenkov photons in a RICH counter. The results of the measurement of single photo-electron pulse height and timing distribution, uniformity of the response and photon detector efficiency will be...Go to contribution page
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Alexandr E. Obrazovsky (Budker Inst. Novosibirsk)Poster (Session B)The new tracking system of the Spherical Neutral Detector for experiments at the VEPP-2000 e +e− collider in Novosibirsk is described. The system consists of 9-layer drift chamber with 24 jet cells and proportional chamber in a common gas volume. Main system features are its small size and high density of readout electronics channels. The drift chamber provides at least 4...Go to contribution page
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Davide Raspino (Cagliari University and INFN)Poster (Session B)Muon triggering and offline muon identification are fundamental requirements of the LHCb experiment, which will be already taking data at the start-up of the LHC machine. The identification of muon particles with a rough momentum measurement (down to 3 GeV/c) in the near-beam area of the first muon station of about 0.6 m 2 is achieved by a set of 24 triple- GEM detectors. Due to the...Go to contribution page
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Kiwamu Saito (KEK)Poster (Session A)A position sensitive He-3 proportional counter has been used in experiments of neutron diffraction and so on. However, the detector is not applied to use in high counting neutron fields because the time resolution of the detector is in order of several microseconds. One of the efficient solutions to this problem is a use of scintillation in helium. However, scintillation photons in...Go to contribution page
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Mr Marko Dragicevic (HEPHY), Thomas Bergauer (Institut fuer Hochenergiephysik (HEPHY))
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Kenan Sogut (University of Mersin, Turkey)Poster (Session A)The CASTOR calorimeter of the Compact Muon Solenoid (CMS) experiment is designed to study the very forward, baryon-rich region in heavy ion collisions at CERN LHC. Together with the Zero Degree Calorimeter (ZDC) it will make it possible to cover almost all the angular region for the CMS detector. CASTOR consists of quartz plates in a heavy metal matrix. Cherenkov light produced in...Go to contribution page
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Christian Schmidt (GSI Darmstadt)Poster (Session A)The Transition Radiation Detector (TRD) is one of the main detector elements of the ALICE experiment at LHC. It is intended to serve for electron identification over the expected large background of pions, enhancing signal to background e.g. for J/Ψ by a factor of 20. The six layer concentric detector barrel design additionally serves to enhance the overall tracking capability of the...Go to contribution page
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Thomas Kirn (RWTH Aachen)Poster (Session A)The Alpha Magnetic Spectrometer (AMS-02) experiment will be mounted on the International Space Station (ISS) for three years to perform precision cosmic particle spectroscopy in space. The search for dark matter candidates requires a precise e +-spectroscopy in the energy range from 10 GeV up to 300 GeV. Therefore the dominating p-background has to be reduced by a factor 10 6. This...Go to contribution page
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Aldo Mozzanica (INFN Pavia)Poster (Session B)The goal of the FAST (Fiber Antiproton Scintillating Tracker) detector is the measurement of the annihilation cross section of slow antiprotons in gaseous targets in the ASACUSA beam line at the Antiproton Decelerator (CERN). The tracker will allow to reconstruct the charged pion tracks to identify the annihilation vertices. The detector, designed to cover a 50 cm long 15 cm radius...Go to contribution page
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David Berge (CERN)Poster (Session B)The ATLAS detector at CERN’s Large Hadron Collider will be exposed to proton-proton collisions from beams crossing at 40 MHz. A three-level trigger system will select potentially interesting events in order to reduce this rate to about 200 Hz. The first trigger level (LVL1) is implemented in custombuilt electronics and firmware. A trigger decision is made by the LVL1 Central Trigger...Go to contribution page
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Simone Donati (Uni+INFN Pisa)Poster (Session B)The CDF II eXtremely Fast Tracker (XFT) is the trigger processor which reconstructs charged particle tracks in the transverse plane of the central tracking chamber. The XFT tracks are also extrapolated to the electromagnetic calorimeter and muon chambers to generate trigger electron and muon candidates. The XFT is crucial for the entire CDF II physics program: it detects high pT...Go to contribution page
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Federico Ferri (INFN Sezione di Milano (INFN))Poster (Session A)The electromagnetic calorimeter of the CMS experiment at the new CERN proton Collider (LHC) consisting in about 75000 scintillating PWO crystals, is at an advanced stage of construction. The use of cosmic rays allows intercalibration of all the channels before the final installation in CMS. It also provides an extensive test, essential for the commissioning of the detector. The data...Go to contribution page
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Frank Hartmann (Institut fuer Experimentelle Kernphysik)Poster (Session A)Tracker Safety System TSS and Tracker Control System TCS is a two pillar system, where TSS ensures independently the safety with a large PLC (Programmable Logical Controller) system, while TCS controls 2000 power supplies for silicon module low and high voltage power and 100 low voltage control power supplies. Detector interdependencies of control, low and high voltages are handled,...Go to contribution page
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Dimos Sampsonidis (Aristotle University of Thessaloniki)Poster (Session B)The construction of the 112 BIS drift-tube chambers (MDT) for the ATLAS muon spectrometer is described, with emphasis on the quality assurance/ quality control procedures. The required mechanical precision of 20 μm on the location of the individual wires has been achieved and maintained during the entire production period (five years) of the chambers at the University of Thessaloniki....Go to contribution page
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Jasu Haerkoenen (Helsinki Institute of Physics HIP)Poster (Session B)The CERN RD39 Collaboration has constructed Transient Current Technique (TCT) measurement setup, which is capable to operate below liquid nitrogen temperatures. By analyzing the current transients, it is possible to extract the full depletion voltage, effective trapping time, electric field distribution and the sign of the space charge in the silicon bulk. Our results show that the...Go to contribution page
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Daniel Greiner (Univ. Tuebingen)Poster (Session B)Multi-detector liquid-scintillator reactor anti-ν experiments can play an important role on the high precision era of neutrino oscillations parameters. Multi-detector experiments rely on the relative response comparison across detectors. Therefore, they need to face a novel concept of detector design and calibration. Detectors are to be designed such that they are easily calibrated...Go to contribution page
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Luca Latronico (INFN Pisa)Poster (Session A)The Gamma-ray Large Area Space Telescope (GLAST) is an international, multi-agency satellite mission with a vast and ambitious physics program in gamma-ray astronomy, particle astrophysics and cosmology. The Large Area Telescope (LAT) is the main instrument onboard GLAST, and is currently being integrated to the satellite in preparation for the november 2007 launch. The LAT is a...Go to contribution page
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Bruno Wittmer (I. Physikalisches Institut (B) - Rheinisch-Westfaelische Technis)Poster (Session A)In the CMS Microstrip Tracker the algorithms that are used for the online track reconstruction, require the alignment of the tracker modules on a level of better than 100 μm. A Laser Alignment System has been developed that is able to detect possible movements or deformations of the Tracker mechanical structure with this level of precision. This system works with infrared laser beams...Go to contribution page
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Rustem Dzhelyadin (State Res.Center of Russian Feder. Inst.f.High Energy Phys. (IFVE))Poster (Session B)Calorimeter detectors of the LHCb experiment consisting of Single Particle Detector (SPD), Pre-Shower Detector (PRS) followed by the ”shashlyk” type Electromagnetic Calorimeter (ECAL) and the Hadron Calorimeter (HCAL) are described. The SPD and PRS consist of about 6000 channel scintillating counters each with long transparent fibers readout on to Multi-anode photomultipliers. The...Go to contribution page
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Hajime Nishiguchi (Uni Tokyo)Poster (Session B)We have been developing an innovative spectrometer for the MEG experiment at the Paul Scherrer Institute (PSI) in Switzerland. This experiment searches for a lepton flavour violating decay μ + → e+ γ with a sensitivity of 10 −13 in order to explore the region predicted by supersymmetric extensions of the standard model. The MEG positron spectrometer consists of a superconducting...Go to contribution page
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Panja Luukka (Helsinki Institute of Physics HIP)Poster (Session B)Radiation hardness up to 1×10 16 cm−2 is required in the future HEP experiments. This is well beyond the radiation tolerance of even the most advanced semiconductor detectors fabricated by commonly adopted technologies. The Current Injected Detector (CID) is a concept where the current is limited by the space charge. The injected carriers will be trapped by the deep levels. This...Go to contribution page
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Wojciech Dominik (Uni Warsaw)Poster (Session A)We present a novel type of a Time Projection Chamber in which tracks of charged particles are recorded by means of optical imaging. Particles of interest (heavy ions, α particles, protons) are stopped within an active volume of gas composed of argon and helium with small admixtures of nitrogen and methane. The primary ionization charges drift to the amplification stages where...Go to contribution page
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Giulio Saracino (Univ. Degli Studi di Napplo Federico)Poster (Session A)The P326 experiment at CERN aims to a very rare decay, K + → π +νν, immersed in a overwhelming K + → μ +ν, K+ → π +π0 (and other decays) background. This calls for an impressive rejection capability (10 12) in order to keep a significant signal/background ratio while keeping a good overall efficiency. One of the key components of the detector is the photon veto system which should...Go to contribution page
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Joao F.C.A. Veloso (Uni Aveiro)Poster (Session A)We present a Photon-Assisted Cascaded Electron Multipliers (PACEM) which has a potential for ion back-flow blocking in gaseous radiation detectors: the avalanche from a first multiplication stage propagates to the successive one via its photons, which in turn induce photoelectron emission from a photocathode deposited on the second multiplier stage; the multiplication process may...Go to contribution page
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Gerolf Schlager (Technische Universitaet Wien)Poster (Session B)The ATLAS detector at the Large Hadron Collider (LHC) at CERN uses a scintillator-iron technique for its hadronic Tile Calorimeter (TileCal). A unique feature of TileCal is that the scintillating tiles are oriented perpendicular to the colliding beams and staggered in depth. All three TileCal cylinders were assembled in the ATLAS experimental cavern and moved to their final position....Go to contribution page
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173. The study of glow curve and high dose electron response of CaF2 as thermoluminescence dosimeterLeila Shekari (Yazd University)Poster (Session A)In the current study, we changed 2 powder in to pellet. The pellets were irradiated with 60 CO source. Glow peaks appeared at nearly 100, 170 and 260 oC. More over the pellets were irradiated by 10 mev electrons with high doses; glow peaks appeared at nearly 170 and 260 oC, but the heights of peaks differed from each other. By mixing Dy with CaF2 of .5, 1, 1.5, 2, 2.5, 3 mol%,...Go to contribution page
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Giovanni Bencivenni (INFN Frascati)Poster (Session A)We are developing an ultra-light cylindrical triple-GEM detector as inner tracker for the upgrade of the KLOE experiment at the DAΦNE Φ factory. The proposed detector will play a crucial role in the study of the KS rare decays and the measurement of the neutral kaon interferometry. The main physics requirements are: moderate detector spatial resolutions, σrφGo to contribution page
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Pavlos Ioannou (University of Athens)Poster (Session B)The University of Athens (UoA) was responsible for the wiring of about 30,000 MDTs (Monitored Drift Tubes), which were then used for building the ATLAS-BIS (Barrel Inner Small) Muon Chambers. These tubes were precision drift tubes of finished length of 1671.5 mm. The 112 ATLAS-BIS chambers form part of the inner layer of the Muon Spectrometer and are already installed in the ATLAS...Go to contribution page
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Giovanna Puddu (INFN Cagliari)Poster (Session A)The Zero Degree Calorimeters (ZDCs) for the ALICE experiment will estimate the centrality of the ion-ion collision by measuring the energy carried away by the non-interacting nucleons (spectators). The spectator protons and neutrons will be separated from the ion beams by the separator magnets of the LHC beam optics and respectively detected by the proton (ZP) and the neutron (ZN)...Go to contribution page
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Susete Fetal (Uni Coimbra)Poster (Session A)The design and performance of a small TPC fitted with an optical double GEM readout are presented. A prototype with a volume of 0.5 liter was built and the energy, position and track angle are determined by charge division of the signals of the four PMT array. Results obtained using the 241Am source alpha tracks in a mixture of Ar-5%CF4 are reported. Finally, possible extensions and...Go to contribution page
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Lev Shekhtman (Budker Institute of Nuclear Physics (BINP))Poster (Session A)The KEDR tagging system (TS) is designed to study two photon interactions at the VEPP-4m collider. In order to reject the background from single Bremsstrahlung (SBS) at the colliding beam at higher energies (above 4GeV at CM) and improve the resolution of the TS the upgrade of the present system is being performed. Each station will be equipped with the triple-GEM detector that can...Go to contribution page
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Dmitry Ilyin (St. Petersburg Nucl. Phys. Inst., Gatchina)Poster (Session A)Two-dimensional detector of thermal neutrons has been designed and constructed for neutron diffraction experiments at the St.-Petersburg Nuclear Physics Institute. Detector is based on MWPC with cathode strip delay line readout and has sensitive area of 170mm×300mm. In order to achieve the best physical parameters of detector it was necessary to optimize an anode signal transmission...Go to contribution page
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Manuel Lozano (CNM-IMB Barcelona)Poster (Session B)The new super-LHC upgrade will impose severe restrictions in the radiation hardness of silicon detectors with maximum foreseen fluence of 10^16 particles/cm^2 in the innermost region. Microstrip detectors have been fabricated in p-type high resistivity float zone silicon at CNM microfabrication facilities and have been irradiated at the TRIGA Mark II reactor in Ljubljana to a...Go to contribution page
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