Test beam studies of the TRD prototype filled with different gas mixtures based on Xe, Kr, and Ar

Towards the end of LHC Run1, gas leaks were observed in some parts of the Transition Radiation Tracker (TRT) of ATLAS. Due to these leaks, primary Xenon based gas mixture was replaced with Argon based mixture in various parts. Test-beam studies with a dedicated Transition Radiation Detector (TRD) pr...

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Detalles Bibliográficos
Autores principales: Celebi, E, Brooks, T., Joos, M., Rembser, C., Gurbuz, S, Cetin, S.A., Konovalov, S.P., Tikhomirov, V.O., Zhukov, K., Fillipov, K.A., Romaniouk, A., Smirnov, S., Teterin, P.E., Vorobev, K.A., Boldyrev, A.S., Maevsky, A., Derendarz, D.
Lenguaje:eng
Publicado: 2016
Materias:
hep-ex
Particle Physics - Experiment
physics.ins-det
Detectors and Experimental Techniques
Acceso en línea:https://dx.doi.org/10.1088/1742-6596/798/1/012172
http://cds.cern.ch/record/2241950
Descripción
Sumario:Towards the end of LHC Run1, gas leaks were observed in some parts of the Transition Radiation Tracker (TRT) of ATLAS. Due to these leaks, primary Xenon based gas mixture was replaced with Argon based mixture in various parts. Test-beam studies with a dedicated Transition Radiation Detector (TRD) prototype were carried out in 2015 in order to understand transition radiation performance with mixtures based on Argon and Krypton. We present and discuss the results of these test-beam studies with different active gas compositions.

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