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Naoki Kimura (Waseda University (JP))04/09/2012, 15:20Data reconstruction and algorithms - Pattern recognision and imagingPOSTERSelecting interesting events with triggering is very challenging at the LHC due to the busy hadronic environment. Starting in 2014 the LHC will run with an energy of 14 TeV and instantaneous luminosities which could exceed 10^34 interactions per cm^2 and per second. The triggering in the ATLAS detector is realized using a three level trigger approach, in which the first level (L1) is hardware...Go to contribution page
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Yasuo Arai (High Energy Accelerator Research Organization (JP))04/09/2012, 15:20Pixel technologies - Monolithic detectorsPOSTERIn the SOI process developed by KEK and LAPIS, transistors can be divided into two groups by their nominal power supply, 1.8V and 2.5V respectively. All the past integrating SOI chips use 1.8V transistors in core circuit and 2.5V in IO buffers. To verify the idea of increasing dynamic range of integrating charge, a chip using 2.5V transistors in core circuit was submitted to MPW run in 2011....Go to contribution page
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Koichi Nagai (University of Tsukuba (JP))04/09/2012, 15:20Radiation effectsPOSTERThe Semi-Conductor Tracker (SCT) is a silicon strip detector and one of the key precision tracking devices in the Inner Detector of the ATLAS experiment at CERN LHC. The SCT is constructed of 4088 silicon detector modules for a total of 6.3 million strips. Each module is designed, constructed and tested to operate as a stand-alone unit, mechanically, electrically, optically and thermally. The...Go to contribution page
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Tomonori Kubota (Tokyo Institute of Technology (JP))04/09/2012, 15:20Particle physics applications - High Energy PhysicsPOSTERResults on a beam test of n-in-p silicon strip sensors aimed for the ATLAS SCT(Semi-Conductor Tracker) upgrades for High Luminosity LHC(HL-LHC) are presented. This Beam test was operated with a new DAQ system consisting of a universal read-out board called 'SEABAS'and a beam tracking system with the spacial resolution less than 5 micro meters, and held at RCNP in December 2011. Behaviors of...Go to contribution page
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Paula Liliana Alvarez Rengifo (Universitat Autònoma de Barcelona)04/09/2012, 15:20Pixel technologies - Monolithic detectorsPOSTERThe use of different semiconductor technologies in the field of particle detector has been always limited by the effects of radiation in both the sensors and the processing circuitry. Large numbers of research teams are evaluating the use of different technological approaches to minimize the impact of radiation in new developments by using new detector material, connections and read-out...Go to contribution page
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Sakai Hisanobu (Japan Synchrotron Radiation Research Institute)04/09/2012, 15:20Data reconstruction and algorithms - Pattern recognision and imagingPOSTERSPring-8 experimental Data Repository system (SP8DR) has been developed to support the handling of the experimental data. High brilliant x-ray at the SPring-8 produces large quantities of data with a high data rate in a short time. It is difficult to manage experimental data conjunction with the experimental conditions without data management system. SP8DR manages a lot of experimental...Go to contribution page
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Thomas Poehlsen (University of Hamburg)04/09/2012, 15:20Pixel technologies - Hybrid pixelsPOSTERFor experiments at the European X-Ray Free-Electron Laser (XFEL), an Adaptive Gain Integrating Pixel Detector (AGIPD) system is under development. The particular requirements for the detector are a high dynamic range of 0, 1 - to more than 1E4 12.4 keV photons per pixel within a XFEL pulse duration of < 100 fs and a radiation tolerance of doses up to 1 GGy for 3 years of operation. The...Go to contribution page
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Choji Saji (JASRI/SPring-8)04/09/2012, 15:20Data reconstruction and algorithms - Pattern recognision and imagingPOSTERX-ray 2D detectors are indispensable for synchrotron radiation and X-ray free-electron laser experiments such as coherent x-ray imaging, spectroscopies, time-resolved experiments etc. In these experiments, spatial, temporal, or photon energy information are projected onto X-ray 2D detector surface. It is generally accepted that larger pixel number and higher dynamic range will provide clearer...Go to contribution page
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Mr Setsuo Satoh (KEK)04/09/2012, 15:20Pixel technologies - Hybrid pixelsPOSTERKEK KENS-DAQ group is developing several neutron detectors and readout systems. 2 systems are developed by using a ZnS/6LiF neutron scintillator and MPPC (Multi Pixel Photon Counter: a semiconductor light sensor). One is named M-PSD (MPPC position-sensitive detector) which uses charge-division method like the 3He-PSD [1,2]. Therefore a NEUNET (neutron network) system [1] which is widely used...Go to contribution page
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Jia Jian Teoh (Osaka University (JP))04/09/2012, 15:20Front end electronics and readout - Readout architecturesPOSTERThe pixel detector of the ATLAS will be replaced at the future upgrade of LHC to keep the performance at high luminosity operation. For the upgrade, the sensor modules have been developed by using new front-end chips (FE-I4). Since design of the FE-I4 chip is different from the chip used for the current pixel detector, new DAQ system is necessary to read the sensor modules. For that reason, we...Go to contribution page
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Yoshimasa Ono (Tohoku University (JP))04/09/2012, 15:20Pixel technologies - Monolithic detectorsPOSTERA Sillicon-On-Insulator (SOI) technology is suitable for vertex detector for high energy physics experiments since complex functionalities can be fabricated on the SOI wafer with small material thanks to the monolithic structure. We developed a new sensor processing scheme "PIXOR(PIXel OR)" for pixel detectors using a Lapis 0.25um SOI process. An analog signals from each pixelated sensor is...Go to contribution page
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Mr Ayaki Takeda (Graduate University for Advanced Studies (SOKENDAI))04/09/2012, 15:20Pixel technologies - Monolithic detectorsPOSTERA monolithic pixel detector with a 0.2 um fully-depleted Silicon-On-Insulator (SOI) technology, called SOIPIX, has been developed. These are utilizing thick handle wafer of SOI structure as a radiation sensor to detect charged particles and X-ray. One of the detectors, called INTPIX4, is 10.3 x 15.5 mm in size having 512 x 832 (~426 k) pixels each 17 um square. It has integration type pixels...Go to contribution page
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Attilio Andreazza (Università degli Studi e INFN Milano (IT))04/09/2012, 15:20Radiation effectsPOSTERThe record breaking instantaneous luminosities of 10^33 cm-2 s-1 recently surpassed at the Large Hadron Collider generate a rapidly increasing particle fluence in the ATLAS Pixel Detector. As the radiation dose accumulates, the first effects of radiation damage are now observable in the silicon sensors. A regular monitoring program has been conducted and reveals an increase in the silicon...Go to contribution page
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Attilio Andreazza (Università degli Studi e INFN Milano (IT))04/09/2012, 15:20Data reconstruction and algorithms - Pattern recognision and imagingPOSTERThe read-out from individual pixels on planar semi-conductor sensors are grouped into clusters to reconstruct the location where a charged particle passed through the sensor. The resolution given by individual pixel sizes is significantly improved by using the information from the charge sharing between pixels. Such analog cluster creation techniques have been used by the ATLAS experiment...Go to contribution page
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Bernard Delley (Paul Scherrer Institut)04/09/2012, 15:20Data reconstruction and algorithms - Pattern recognision and imagingPOSTERWhile originally aimed at imaging applications, robust in hardware mapping of hot pixels and hot pixel data reconstruction may also provide a starting point for algorithmic cluster reduction in future detector system. The method addresses issues with radiation defects and mitigation of radiation effects while establishing the hot pixel map or list.Go to contribution page
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Vitaliy Fadeyev (University of California,Santa Cruz (US))04/09/2012, 15:20Pixel technologies - Hybrid pixelsPOSTERWe are pursuing scribe-cleave-passivate (SCP) technology of making “slim edge” sensors. Such sensors have only a minimal amount of inactive peripheral region, which benefits construction of large-area tracker and imaging systems. Key application steps of this method are surface scribing, cleaving, and passivation of the resulting sidewall. We are working on developing both the technology and...Go to contribution page
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Paul Dervan (University of Liverpool (GB))04/09/2012, 15:20Radiation effectsPOSTERIt is foreseen to significantly increase the luminosity of CERN’s Large Hadron Collider (LHC) by upgrading the LHC towards the HL-LHC (High Luminosity LHC) in order to harvest the maximum physics potential of the machine. Especially the final upgrade (Phase-II Upgrade) foreseen for 2021 will mean unprecedented radiation levels, exceeding the LHC fluences by roughly an order of magnitude. Due...Go to contribution page
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Yoichi Ikegami (High Energy Accelerator Research Organization (JP))04/09/2012, 15:20Particle physics applications - High Energy PhysicsPOSTERWhile the Large Hadron Collider (LHC) at CERN continues to deliver increasing amounts of luminosity to the experiments, a phased upgrade of the LHC is planned, ultimately aimed at a luminosity of ten times the LHC design luminosity (HL-LHC). To cope with the expected harsh operating conditions in terms of particle rates and radiation dose, the ATLAS collaboration is developing a new tracker....Go to contribution page
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Dr Carlos Marinas Pardo (Bonn University)04/09/2012, 15:20Ultra light mechanics and coolingPOSTERThe new e$^{+}$e$^{-}$ colliders impose unprecedented demands to the performance of the vertex detectors. To achieve the required resolution in the vertex reconstruction, besides highly segmented pixel detectors, the material budget has to be kept at very low levels to reduce the multiple Coulomb scattering. These requirements are even more challenging in the case of the new Japanese Super...Go to contribution page
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Kenji Hamano (University of Melbourne (AU))04/09/2012, 15:20Data reconstruction and algorithms - VertexingPOSTERThe track and vertex reconstruction algorithms of the ATLAS Inner Detector have demonstrated excellent performance in the early data from the LHC. However, the rapidly increasing number of interactions per bunch crossing introduces new challenges both in computational aspects and physics performance. The combination of both silicon and gas based detectors provides high precision impact...Go to contribution page
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