NDLI: A GEM-based TPC prototype for PANDA

Content Provider	IEEE Xplore Digital Library
Author	Vandenbroucke, M.
Copyright Year	2009
Description	Author affiliation: Technische Universität München, Physik Department, 85748 Garching, Germany (Vandenbroucke, M.)
Abstract	A GEM-Based TPC is a very promising option for the central tracker of the PANDA experiment. PANDA is a spectrometer which will detect charged and neutral particles emitted over the full solid angle from 2 × 107 pp annihilations per second to perform high-precision studies in the field of non-perturbative QCD. The central tracker of the spectrometer has to provide good momentum resolutions and at the same time have a very small material budget in order to minimize secondary interactions or photon conversion. A TPC ideally fulfills these requirements, and, in addition, provides particle identification by measuring the specific energy loss. The GEM technology, used for gas amplification, provides an intrinsic suppression of ion backflow usually done by an ion gate for a wire chamber, inappropriate here because of the continuous nature of the beam. A small GEM-TPC prototype was built and characterized with cosmic muons. An average resolution of 200 μm had been achieved using the PASA/ALTRO readout electronics. In order to perform more detailed investigations of the detector performance in various conditions, a tracking telescope was set up at the electron beam at ELSA, Bonn, Germany. The characterization of the external tracking telescope has begun in December 2008 and the first electron tracks was observed in the TPC.
Starting Page	1009
Ending Page	1012
File Size	1122908
Page Count	4
File Format	PDF
ISBN	9781424439614
ISSN	10957863
DOI	10.1109/NSSMIC.2009.5402451
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-24
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Prototypes Spectroscopy Energy resolution Telescopes Solids Energy measurement Loss measurement Particle measurements Energy loss Wire
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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