Dr
Hubert Kroha
(Max-Planck-Institut fuer Physik, Munich)
24/05/2012, 19:21
P6 - Gas Detectors
Poster
For the planned high-luminosity upgrades of the Large Hadron Collider (LHC)
background rates of neutrons and gamma rays of up to 14 kHz/cm$^2$ are expected which
exceed the rate capability of the current ATLAS precision muon tracking detectors,
the Monitored Drift Tube (MDT) chambers, with a drift tube diameter of 30 mm.
So called sMDT chambers with a drift tube diameter of 15 mm have...
Dr
Nikolai Smirnov
(Yale University)
24/05/2012, 19:21
P6 - Gas Detectors
Poster
The development of different detectors based on GEM technology both
for PID and tracking including detailed detector response simulation
will be discussed. Description of the GEM foil (Tech-Etch production)
selection and test procedure will be presented.
A new approach for low mass, single plane 2d- and 3d- readout for GEM
detectors and test results will be described.
198.
Development of large-area resistive-strip micromegas chambers for the ATLAS muon system upgrade
Dr
Marcin Byszewski
(CERN)
24/05/2012, 19:21
P6 - Gas Detectors
Poster
Resistive-strip micromegas are bulk micromegas chambers incorporating an efficient spark protection scheme. They are particularly suited for high-rate applications in a harsh radiation environment. They were developed for the upgrade of the ATLAS muon system upgrade (Small Wheel) for the high luminosity LHC. The characteristics of the resistive micromegas chambers, highlights of the...
Dr
Tadeusz Kowalski
(AGH, University of Science and Technology, Cracow)
24/05/2012, 19:21
P6 - Gas Detectors
Poster
Systematic measurements of gas amplification factors over the range 1 to
5 10$^5$, were performed for Ar + 20%CO$_2$ and Ar + 6.4% CO$_2$+ 2.5% N$_2$
mixtures as a function of the applied voltage between cathode and anode for
the following working gas pressure: 0.05, 0.1, 0.3, 0.5 and 0.65 MPa.
Full current characteristics, starting from recombination mode up to limited...
Dr
Anand Dubey
(VECC, Kolkata)
24/05/2012, 19:21
P6 - Gas Detectors
Poster
A large area, high granularity and high rate gas detector has been proposed for the detection of muons in the Compressed Baryonic Experiment (CBM) in the upcoming FAIR facility in Germany. The main task of the Muon Chambers (MUCH) is to detect dimuon signals arising from the decay of the low mass vector mesons and those from the decay of charmonia produced in the heavy ion collisions at FAIR....
Mr
Yacine Haddad
(LLR - Ecole Polytechnique)
24/05/2012, 19:21
P6 - Gas Detectors
Poster
The limitation of the detection rate of standard bakelite RPC used as muon detectors in the LHC experiments has prevented the use of such detectors in the high eta regions in both CMS and ATLS detectors. The same statement applies for the already instrumented regions in the LHC high luminosity scenario.
One of the alternative to these detectors, is the use of RPC detectors with low...
Mr
Jonathan Bortfeldt
(LMU Munich)
24/05/2012, 19:21
P6 - Gas Detectors
Poster
A recently developed beam telescope, consisting of four Micromegas detectors with standard copper anodes of 360 strips and an active area of $9\,\mathrm{cm}\times10\,\mathrm{cm}$, has been tested in 160\,GeV pion and 140\,GeV muon beams at the SPS at CERN. The 1500 anode-channels of 250 $\mu$m strip pitch are read out using a Gassiplex-frontend based electronics, originally developed for the...
Mr
Gabriel Charles
(CEA Saclay)
24/05/2012, 19:21
P6 - Gas Detectors
Poster
The electron accelerator of the Thomas Jefferson Laboratory (Virginia, USA) will soon be upgraded to deliver 12 GeV high intensity beams. This increase of performance will give the opportunity to study the nucleon structure with an unprecedented accuracy. To meet this end, new equipments will be installed in the experimental areas, particularly in the Hall B/CLAS spectrometer. One of the most...
Mrs
Laura Segui
(University of Zaragoza, Spain)
24/05/2012, 19:21
P4 - Front End, Trigger, DAQ and Data Management
Poster
The NEXT experiment will look for neutrinoless double beta decay in Xenon-136 in a high Pressure Time Projection Chamber (TPC). The detector is based on electroluminiscence light measured with photomultipliers and silicon photomultipliers (SiPMs). In parrallel with the baseline NEXT design an R\&D line based on Micromegas detectors with pixelized anode was developed as an option to detect...
Dr
Francesca Romana Spada
(INFN - Roma 1)
24/05/2012, 19:21
P6 - Gas Detectors
Poster
The AMS-02 detector was installed on May 2011 on board of the International Space Station, and has since collected billions of cosmic ray events.
AMS will measure with unprecedent precision cosmic ray spectra up to the TeV energy scale, achieving a sensitivity to the existence of anti-helium nuclei of one part in a billion, as well as providing important information on the origin of dark...
Dr
Anna Cimmino
(UGent)
24/05/2012, 19:21
P6 - Gas Detectors
Poster
The Resistive Plate Chambers are used in CMS as dedicated muon trigger in both barrel and endcap region. They also contribute to the identification of the muons together with Drift tube in the barrel and Cathod Strip Chambers in the endcaps. We will report the operations and performance of the system after two years of LHC activities with increasing instantaneous luminosity. Special attention...
Danilo Domenici
(LNF)
24/05/2012, 19:21
P6 - Gas Detectors
Poster
The upgrade of the KLOE detector foresees the insertion of a new Inner Tracker
device around the interaction region of the DAFNE $\Phi$-factory, composed by
four tracking layers with diameters from 260 mm to 410 mm and an active lenght
of 700 mm.
They are realized as cylindrical triple-GEM detectors, a solution that
allows to keep the total material budget under 2\% of $X_0$ minimizing...
Dr
Paolo Musico
(INFN Genova, Genova, Italy)
24/05/2012, 19:21
P6 - Gas Detectors
Poster
We developed and tested a new charged particle tracking system, able to operate in high luminosity experiments, which will be installed at Jefferson Laboratory HallA (VA, USA) for optimally exploit the new 12 GeV energy electron beam available at the end of 2013.
The tracker is made of 6 GEM (Gas Electron Multiplier) large chambers and two 10x20 cm$^2$ planes of SIilicon microstrip Detectors...
Dr
Hyunkwan Seo
(Sungkyunkwan University)
24/05/2012, 19:21
P6 - Gas Detectors
Poster
The Resistive Plate Chambers (RPC) are used as dedicated trigger detector in both Barrel and endcap regions of the CMS experiment together with Drift Tubes and Cathode strip Chambers. The redundancy of the Muon system of CMS is used also to improve the muon identification including the RPC hits in the muon identification and reconstruction algorithms. The poster will describe the performance...
Ozkan Sahin
(Department of Physics Uludag University, Bursa, Turkey)
24/05/2012, 19:21
P6 - Gas Detectors
Poster
Avalanche development in gas-based detectors relies not only on direct ionisation but also on excitation of noble gas atoms. Excited atoms can, in some gas mixtures, ionise the quencher molecules they collide with. We have reported on this process earlier. Alternatively, excited atoms can decay by photon emission. If these photons are insufficiently absorbed by the quencher, yet capable of...
Mr
Alhussain Abuhoza
(GSI)
24/05/2012, 19:21
P6 - Gas Detectors
Poster
An infrastructure has been set up at the GSI detector laboratory to study the influence of construction materials on the ageing properties of gas filled detectors, such as multi wire proportional chambers (MWPC), gas electron multipliers (GEM) etc. Two identical MWPCs have been used for these tests, one of them has been contaminated with the outgasing material under investigation, and the...
Dr
Saikat Biswas
(GSI Helmholtzzentrum fรผr Schwerionenforschung GmbH)
24/05/2012, 19:21
P6 - Gas Detectors
Poster
GEM will be used in CBM Muon Chamber (MUCH) located downstream of the Silicon Tracking System (STS) of the CBM experiment along with other sophisticated detectors. In GSI detector laboratory an R&D effort is launched to study the characteristics of GEM detectors for the CBM experiment. The primary goals of this R&D program are: (a) to verify the stability and integrity of the GEM detectors...
Dr
Levan Glonti
(Joint Institute for Nuclear Research, Dubna)
24/05/2012, 19:21
P6 - Gas Detectors
Poster
We describe the prototype implemented design and assembly technology of the drift chamber for operation in the vacuum.
The main features of the proposed drift chamber are the following:
1. As single detector unit the thin-wall mylar drift tube with diameter of 10 mm, length of 2160 mm and Cu+Au plated is used. The tubes are produced by ultrasonic welding, using welding device and...
Michele Cascella
(Universitร del Salento e INFN)
24/05/2012, 19:21
P6 - Gas Detectors
Poster
We present results on the measurements of gas gain for gas mixtures at absolute pressure below the atmospheric pressure, down to 100 mbar, and their relative stability.
Besides the obvious advantage of further limiting the contribution to the momentum measurement due to multiple scattering, the operation at low pressure allows for a fine tuning of the working parameters of a drift chamber...
Francesco Grancagnolo
(LE)
24/05/2012, 19:21
P6 - Gas Detectors
Poster
We present a novel low mass drift chambers assembling technique, developed in order to fulfill the stringent requirements imposed by the experiments for extremely rare processes, which require high resolutions (order of 100-200 KeV/c) for particles momenta in a range (50-100 MeV/c) totally dominated by the multiple scattering contribution (e.g., the positrons in MEG at PSI and the electrons in...
