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Titolo:
FIRST OPERATION OF A 72 K ELEMENT HYBRID SILICON MICROPATTERN PIXEL DETECTOR ARRAY
Autore:
HEIJNE EHM; ANTINORI F; ARNOLD R; BARBERIS D; BEKER H; BEUSCH W; BURGER P; CAMPBELL M; CATANESI MG; CHESI E; DARBO G; DAVIA C; DIBARI D; DILIBERTO S; ELIA D; ENZ CC; GLASER M; GUYONNET JL; GYS T; HEISTRUP H; HEUSER J; HURST R; JACHOLKOWSKI A; JARRON P; KERSTEN S; KRUMMENACHER F; LEITNER R; LEMEILLEUR F; LENTI V; LETHEREN M; LOKAJICEK M; LOPEZ L; LOVETERE M; MAGGI G; MARTINENGO P; MEDDELER G; MEDDI F; MENETREY A; MIDDELKAMP P; MORANDO M; MUNNS A; MUSICO P; NEYER C; PALLAVICINI M; PELLEGRINI F; PENGG F; POSPISIL S; QUERCIGH E; RIDKY J; ROSSI L; SAFARIK K; SEGATO G; SIMONE S; TEMPESTA P; VERWEIJ H; VIERTEL GM; VRBA V;
Indirizzi:
CERN CH-1211 GENEVA 23 SWITZERLAND EPF LAUSANNE SWITZERLAND ETH ZURICH ZURICH SWITZERLAND INFN BARI ITALY UNIV BARI BARI ITALY INFN GENOA ITALY UNIV GENOA GENOA ITALY INFN PADUA ITALY UNIV PADUA PADUA ITALY INFN ROME ITALY UNIV ROME ROME ITALY UNIV GESAMTHSCH WUPPERTAL WUPPERTAL GERMANY GRP PRAHA PRAGUE CZECH REPUBLIC UNIV STRASBOURG 1,CRN STRASBOURG FRANCE GEC MARCONI MAT TECHNOL CASWELL NORTHANTS ENGLAND SMART SILICON SYST SA LAUSANNE SWITZERLAND
Titolo Testata:
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment
fascicolo: 1, volume: 349, anno: 1994,
pagine: 138 - 155
SICI:
0168-9002(1994)349:1<138:FOOA7K>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
8
Recensione:
Indirizzi per estratti:
Citazione:
E.H.M. Heijne et al., "FIRST OPERATION OF A 72 K ELEMENT HYBRID SILICON MICROPATTERN PIXEL DETECTOR ARRAY", Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 349(1), 1994, pp. 138-155

Abstract

We have constructed and tested silicon pixel detector arrays of 96 x 378 (36288) sensor elements with 75 mu m x 500 mu m area. The low-noise signal processing circuit associated with each element occupies an identical area on a bump-bonded readout chip. The pixel cell response for ionizing particles is binary with an adjustable threshold between 4000 e(-) and 15000 e(-). Single chips, the array of 6 ladders and a double array have been characterized in particle test beams and in the Omega experiment WA97 at CERN. The two arrays together, staggered by similar to 4 mm cover hermetically a 53 mm x 55 mm area with 72576 pixels. The proportion of properly functioning pixels was 98% in the first 36 k pixel array and 80% in the second one. The similar to 1% ''always-on'' pixels could be masked electronically. After masking the rate of''spurious noise hits'' was < 10(-8) of the identified particle hits while with beam off no hits at all were recorded With a beam trigger most events consisted of a single cluster with a single hit. At the 8000 e(-) threshold an efficiency > 99% was measured. Tracks were reconstructed with a precision of 22 mu m. The proportion of double hits (similar to 11%) depends only slightly on threshold and detector bias voltage, and for these double hits a precision of 10 mu m on the particle position was obtained.

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Documento generato il 05/12/20 alle ore 22:48:48