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Understand ATLAS NSW Thin Gap Chamber from Garfield Simulation

The LHC will be upgraded in several phases with the goal of obtaining an instantaneous lumi- nosity of 5-7 x 10^34 cm-2s-s at the center of mass energy of 14 TeV and integrated luminosity of 3000 fb-1. In order to profit from the high luminosity and high energy runs of the LHC, the ATLAS collaborati...

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Detalles Bibliográficos
Autores principales: Chapman, J, Dai, T, Diehl, E, Feng, H, Guan, L, Mikenberg, G, Smakhtin, V, Yu, J M, Zhou, B, Zhu, J, Zhao, Z
Lenguaje:eng
Publicado: 2014
Materias:
Acceso en línea:https://dx.doi.org/10.22323/1.180.0093
http://cds.cern.ch/record/2003090
Descripción
Sumario:The LHC will be upgraded in several phases with the goal of obtaining an instantaneous lumi- nosity of 5-7 x 10^34 cm-2s-s at the center of mass energy of 14 TeV and integrated luminosity of 3000 fb-1. In order to profit from the high luminosity and high energy runs of the LHC, the ATLAS collaboration plans to upgrade the present endcap small wheel muon spectrometer to im- prove the muon triggering as well as precision tracking. The proposed New Small Wheel (nSW) will be composed of two four-layer Micromegas detectors (MM) detector sandwiched between two four-layer small-strip Thin Gap Chambers (sTGC) quadruplets, where MM for precision tracking and sTGC for Level-1 triggering. In this paper, we focus on the Garfield [ 1 ] simulation of the sTGC detector to understand its timing performance and charge production. We also stud- ied the sTGC timing under different magnetic fields and high voltages. These studies provide important guide lines for the sTGC detector and electronics development.