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Titolo:
DEVELOPMENT OF THE GAS ELECTRON MULTIPLIER (GEM)
Autore:
BENLLOCH J; BRESSAN A; BUTTNER C; CAPEANS M; GRUWE M; HOCH M; LABBE JC; PLACCI A; ROPELEWSKI L; SAULI F; SHARMA A; VEENHOF R;
Indirizzi:
CERN GENEVA SWITZERLAND UNIV KARLSRUHE,INST EXPT KERNPHYS D-7500 KARLSRUHE GERMANY DESY UNIV DARMSTADT GERMANY NIKHEF H NL-1009 DB AMSTERDAM NETHERLANDS GSI DARMSTADT D-6100 DARMSTADT GERMANY
Titolo Testata:
IEEE transactions on nuclear science
fascicolo: 3, volume: 45, anno: 1998,
pagine: 234 - 243
SICI:
0018-9499(1998)45:3<234:DOTGEM>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
19
Recensione:
Indirizzi per estratti:
Citazione:
J. Benlloch et al., "DEVELOPMENT OF THE GAS ELECTRON MULTIPLIER (GEM)", IEEE transactions on nuclear science, 45(3), 1998, pp. 234-243

Abstract

We describe recent developments of the Gas Electron Multiplier (GEM),a thin composite mesh acting as proportional avalanche amplifier in gas counters'. In beam tests we have verified the excellent efficiency,time resolution and localization accuracy for a GEM with micro-strip read-out Efficiency, localization accuracy and operation in strong magnetic fields has been verified; operation at rates above 10(6) Hz/mm(2) and lifetimes corresponding to at least 10 mC/cm of collected chargehave been demonstrated. Refinements in the manufacturing technology have permitted the realization of large size detectors (27 by 25 cm(2)), to be used in conjunction with micro-strip gas chambers. With an improved design, stable gains above two thousand have been reached (GEM2000); larger gains can be obtained increasing the thickness of the foils, cascading two GEMs at some distance or in electrical contact. Further developments of the technology and prospective applications are discussed.

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Documento generato il 02/12/20 alle ore 17:45:21