A Time Projection Chamber with GEM-Based Readout
The LCTPC Collaboration: David Atti\'e, Ties Behnke, Alain Bellerive,, Oleg Bezshyyko, Deb Sankar Bhattacharya, Purba Bhattacharya, Sudeb, Bhattacharya, Stefano Caiazza, Paul Colas, Gilles De Lentdecker, Klaus, Dehmelt, Klaus Desch, Ralf Diener, Madhu Dixit, Ivor Fleck
TL;DR
This paper reports on a prototype time projection chamber with GEM-based readout tested with a 6 GeV electron beam, demonstrating its potential for high-precision tracking in future collider detectors.
Contribution
It presents experimental results from a GEM-readout TPC prototype, including performance metrics relevant for the International Linear Collider.
Findings
High hit reconstruction efficiency demonstrated
Accurate measurement of drift velocity achieved
Good space point resolution observed
Abstract
For the International Large Detector concept at the planned International Linear Collider, the use of time projection chambers (TPC) with micro-pattern gas detector readout as the main tracking detector is investigated. In this paper, results from a prototype TPC, placed in a 1 T solenoidal field and read out with three independent GEM-based readout modules, are reported. The TPC was exposed to a 6 GeV electron beam at the DESY II synchrotron. The efficiency for reconstructing hits, the measurement of the drift velocity, the space point resolution and the control of field inhomogeneities are presented.
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Taxonomy
TopicsParticle Detector Development and Performance · Radiation Detection and Scintillator Technologies · Dark Matter and Cosmic Phenomena