Conveners
I.c Gaseous: Session 1
- Harry Van Der Graaf (NIKHEF (NL))
I.c Gaseous: Session 2
- Jochen Kaminski (Universitaet Bonn (DE))
I.c Gaseous: Session 3
- Maximilien Chefdeville (Centre National de la Recherche Scientifique (FR))
Dr
David ATTIE
(CEA/Irfu)
02/06/2014, 16:10
Sensors: 1c) Gaseous Detectors
Oral
In the last decade, R&D of detectors for the future International Linear Collider (ILC) has been carried out by the community. The International Large Detector (ILD) is one detector concept at the ILC where calorimetry and tracking systems are combined. The tracking system consists of a Si vertex detector and forward tracking disks coupled to a large volume Time
Projection Chamber...
Dr
Theodoros Geralis
(NCSR Demokritos)
02/06/2014, 16:30
Sensors: 1c) Gaseous Detectors
Oral
We present for a first time, the development of Micromegas detectors based on Microbulk technology with segmented mesh. The space charge produced within the amplification volume induces both signals and the mesh strips provide the y coordinate while the anode strips the x coordinate. The manufacturing of a segmented mesh simplifies the x-y readout that up to now was produced in a complicated...
Mr
Fernando Amaro
(Coimbra University)
02/06/2014, 16:50
Sensors: 1c) Gaseous Detectors
Oral
We present a new concept for the suppression of the secondary ions in gaseous detectors. The Zero Ion Backflow electron multiplier operates in a noble gas atmosphere and supress the ion backflow to the level of the primary ionization, totally blocking the secondary ions that are produced in the multiplier. This detector is composed by a proportional scintillation region, composed by two highly...
Christoph Krieger
(Universitaet Bonn (DE))
02/06/2014, 17:10
Sensors: 1c) Gaseous Detectors
Oral
The CERN Axion Solar Telescope (CAST) is searching for axions and other new particles coupling to photons and emerging from the sun. Those particles are converted into soft X-ray photons in a high magnetic field. To enhance sensitivity for physics beyond the Standard Model it is necessary to cope with weak couplings and low energies, thus requiring an efficient background discrimination as...
Gergo Hamar
(Wigner RCP, Budapest)
02/06/2014, 17:30
Sensors: 1c) Gaseous Detectors
Oral
Gaseous detectors can be made sensitive to photons, and become excellent choice for applications such as Cherenkov radiation imaging for particle identification. Micopattern Gaseous Detector (MPGD) technologies opened new ways to photon detection, where the possibility for reduced ion feedback, better timing and the suppression of non-photon signals are factors of improved performance. On the...
Maximilien Chefdeville
(Centre National de la Recherche Scientifique (FR))
02/06/2014, 17:50
Sensors: 1c) Gaseous Detectors
Oral
Micromegas is an attractive option for a gaseous sampling calorimeter. It delivers proportional and fast signals, achieves high efficiency to minimum ionising particles with a compact design and shows well-uniform performance over meter-square areas. The current R&D focuses on large-size spark-protected Micromegas with integrated front-end electronics. It targets an application at future...
Michael Tytgat
(Ghent University (BE))
03/06/2014, 16:10
Sensors: 1c) Gaseous Detectors
Oral
In view of the high-luminosity phase of the LHC, the CMS Collaboration is considering the use of Gas Electron Multiplier (GEM) detector technology for the upgrade of its muon system in the forward region. With their ability to handle the extreme particle rates expected in that area, such micro-pattern gas detectors can sustain a high performance and redundant muon trigger system. At the same...
Paolo Iengo
(INFN Napoli (IT))
03/06/2014, 16:30
Sensors: 1c) Gaseous Detectors
Oral
In view of the use of micromegas detectors for the upgrade of the ATLAS muon system, we have constructed two detector quadruplets with an area of 0.5 m^2 per plane serving as prototypes for future ATLAS chambers. They are based on the resistive-strip technology and thus spark tolerant. The detectors were built in a modular way. The quadruplets consist of two double-sided readout panels with...
Till Moritz Karbach
(CERN)
03/06/2014, 16:50
Sensors: 1c) Gaseous Detectors
Oral
The LHCb experiment is designed to study B-decays at the LHC, and as such is
constructed as a forward spectrometer. The large particle density in the
forward region poses extreme challenges to the subdetectors, in terms of hit
occupancies and radiation tolerance.
To accurately and efficiently detect the charged decay particles in the
high-density particle environment of the LHC the...
Gianfranco Morello
(Istituto Nazionale Fisica Nucleare (IT))
03/06/2014, 17:10
Sensors: 1c) Gaseous Detectors
Oral
The KLOE-2 experiment is starting its data taking at the DAΦNE ϕ-factory at the Frascati National Laboratory of the INFN. The experiment is continuing the successful physics program of KLOE, that collected 2.5 fb-1 of integrated luminosity between 2001 and 2006. For the new data taking campaign the detector, consisting of a huge Drift Chamber and a Electromagnetic Calorimeter working in a 0.5...
Dr
Hajime Nishiguchi
(KEK)
03/06/2014, 17:30
Sensors: 1c) Gaseous Detectors
Oral
The COMET experiment at J-PARC aims to search for a lepton-flavour violating process of muon to electron conversion in a muonic atom, $\mu$-e conversion, with a branching-ratio sensitivity of better than $10^{−16}$, 4 orders of magnitude better than the present limit, in order to explore the parameter region predicted by most of well-motivated theoretical models beyond the Standard Model.
The...
Prof.
Laktineh Laktineh
(Universite Claude Bernard-Lyon I (FR))
06/06/2014, 11:00
Sensors: 1c) Gaseous Detectors
Oral
New generation of RPC using semi-conductive plates could provide an excellent choice for the upgrade of LHC muon detectors. These cost-effective GRPC stand high particle rate. The excellent timing they can provide could allow to improve on the trigger rate and reduce the pileup consequences of the LHC luminosity increase.
Single and multi-gap GRPC using low-resistivity glass are being...
Dezso Varga
(Wigner RCP)
06/06/2014, 11:20
Sensors: 1c) Gaseous Detectors
Oral
The Close Cathode Chamber (CCC) is an asymmetric Multi-Wire Proportional Chamber (MWPC), which, owing to its specifically optimized field structure, has key advantages relative to the classical MWPC design. The CCC contains alternating field wires and anode (sense) wires, and the wire plane is asymmetric with respect to two parallel planes, being as close as 1.5mm typically to one of the...
Alhussain abuhoza
(GSI)
06/06/2014, 11:40
Sensors: 1c) Gaseous Detectors
Oral
A very accurate apparatus has been constructed and commissioned at the GSI detector laboratory, which will be dedicated for many objectives. Among these objectives; investigation of the ageing phenomena of high rate gaseous detectors, the ageing influences of the construction materials of the gaseous detectors, long term monitoring of gaseous detectors tolerance, planned to be used in The...
Ms
Diana Carolina Herrera Muñoz
(University of Zaragoza)
06/06/2014, 12:00
Sensors: 1c) Gaseous Detectors
Oral
Electron-ion recombination is experimentally studied in Xe+trimethylamine
mixtures, motivated by its potential use for directional dark matter
searches. A time projection chamber of 2.4 l with a novel configuration
formed by two symmetric drift regions with two microbulk-Micromegas
readouts is used to measure the recombination of $\alpha$- and $\gamma$-particles,
which are emitted in...
