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Title: A Study of a Mini-Drift GEM Tracking Detector

Abstract

In this paper, a GEM tracking detector with an extended drift region has been studied as part of an effort to develop new tracking detectors for future experiments at RHIC and for the Electron Ion Collider that is being planned for BNL or JLAB. The detector consists of a triple GEM stack with a 1.6 cm drift region that was operated in a mini TPC type configuration. Both the position and arrival time of the charge deposited in the drift region were measured on the readout plane which allowed the reconstruction of a short vector for the track traversing the chamber. The resulting position and angle information from the vector could then be used to improve the position resolution of the detector for larger angle tracks, which deteriorates rapidly with increasing angle for conventional GEM tracking detectors using only charge centroid information. Two types of readout planes were studied. One was a COMPASS style readout plane with 400 μm pitch XY strips and the other consisted of 2 × 10 mm 2 chevron pads. The detector was studied in test beams at Fermilab and CERN, along with additional measurements in the lab, in order to determine its position and angularmore » resolution for incident track angles up to 45 degrees. Several algorithms were studied for reconstructing the vector using the position and timing information in order to optimize the position and angular resolution of the detector for the different readout planes. Finally, applications for large angle tracking detectors at RHIC and EIC are also discussed.« less

Authors:
 [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
OSTI Identifier:
1341648
Report Number(s):
BNL-113370-2016-JA
Journal ID: ISSN 0018-9499; TRN: US1701822
Grant/Contract Number:
SC0012704
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
IEEE Transactions on Nuclear Science
Additional Journal Information:
Journal Volume: 63; Journal Issue: 3; Journal ID: ISSN 0018-9499
Publisher:
Institute of Electrical and Electronics Engineers (IEEE)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; GEM; tracking detectors; mini TPC; strips; telescopes; position measurement; silicon; electrodes; compass

Citation Formats

Azmoun, B., DiRuzza, B., Franz, A., Kiselev, A., Pak, R., Phipps, M., Purschke, M. L., and Woody, C. A Study of a Mini-Drift GEM Tracking Detector. United States: N. p., 2016. Web. doi:10.1109/TNS.2016.2550503.
Azmoun, B., DiRuzza, B., Franz, A., Kiselev, A., Pak, R., Phipps, M., Purschke, M. L., & Woody, C. A Study of a Mini-Drift GEM Tracking Detector. United States. doi:10.1109/TNS.2016.2550503.
Azmoun, B., DiRuzza, B., Franz, A., Kiselev, A., Pak, R., Phipps, M., Purschke, M. L., and Woody, C. 2016. "A Study of a Mini-Drift GEM Tracking Detector". United States. doi:10.1109/TNS.2016.2550503. https://www.osti.gov/servlets/purl/1341648.
@article{osti_1341648,
title = {A Study of a Mini-Drift GEM Tracking Detector},
author = {Azmoun, B. and DiRuzza, B. and Franz, A. and Kiselev, A. and Pak, R. and Phipps, M. and Purschke, M. L. and Woody, C.},
abstractNote = {In this paper, a GEM tracking detector with an extended drift region has been studied as part of an effort to develop new tracking detectors for future experiments at RHIC and for the Electron Ion Collider that is being planned for BNL or JLAB. The detector consists of a triple GEM stack with a 1.6 cm drift region that was operated in a mini TPC type configuration. Both the position and arrival time of the charge deposited in the drift region were measured on the readout plane which allowed the reconstruction of a short vector for the track traversing the chamber. The resulting position and angle information from the vector could then be used to improve the position resolution of the detector for larger angle tracks, which deteriorates rapidly with increasing angle for conventional GEM tracking detectors using only charge centroid information. Two types of readout planes were studied. One was a COMPASS style readout plane with 400 μm pitch XY strips and the other consisted of 2 × 10 mm2 chevron pads. The detector was studied in test beams at Fermilab and CERN, along with additional measurements in the lab, in order to determine its position and angular resolution for incident track angles up to 45 degrees. Several algorithms were studied for reconstructing the vector using the position and timing information in order to optimize the position and angular resolution of the detector for the different readout planes. Finally, applications for large angle tracking detectors at RHIC and EIC are also discussed.},
doi = {10.1109/TNS.2016.2550503},
journal = {IEEE Transactions on Nuclear Science},
number = 3,
volume = 63,
place = {United States},
year = 2016,
month = 6
}

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