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Titolo:
DEVELOPMENT OF THE SILICON MULTIPLICITY DETECTOR FOR THE NA50 EXPERIMENT AT CERN
Autore:
ALESSANDRO B; ALEXELINE M; BAGLIN C; BISI V; BONAZZOLA G; BONELLO P; BUSSIERE A; CAPONY V; CROVATO R; DABROWSKI W; DEREMIGIS P; DEWITT J; FORLEN M; GIUBELLINO P; GRYBOS P; IDZIK M; KOSSAKOWSKI R; MARZARICHIESA A; MASERA M; MONTENO M; DASILVA WP; RAMELLO L; MENDES PR; RICCATI L; SARTORI MS; SARTORI M;
Indirizzi:
IST NAZL FIS NUCL I-10125 TURIN ITALY LAPP ANNECY LE VIEUX FRANCE ACAD MIN & MET,FAC PHYS & NUCL TECHNIQUES KRAKOW POLAND SCIPP SANTA CRUZ CA 00000 UERJ RIO JANEIRO BRAZIL POLITECN MILAN I-20133 MILAN ITALY LIP P-1000 LISBON PORTUGAL COREP TURIN ITALY
Titolo Testata:
Nuclear physics. B
, , anno: 1995, supplemento:, 44
pagine: 303 - 307
SICI:
0550-3213(1995):<303:DOTSMD>2.0.ZU;2-D
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
4
Recensione:
Indirizzi per estratti:
Citazione:
B. Alessandro et al., "DEVELOPMENT OF THE SILICON MULTIPLICITY DETECTOR FOR THE NA50 EXPERIMENT AT CERN", Nuclear physics. B, 1995, pp. 303-307

Abstract

We have designed a silicon microstrip detector to measure angular distribution and multiplicity of charged particles produced in high-energy Pb-Pb interactions for the NA50 experiment. NA50 will investigate the production of resonances decaying to dimuons at the CERN SpS. Given the low cross-section for these reactions, the experiment will have tofunction at very high rate, while the need to limit the background due to decays of it and K mesons imposes an absorber very dose to the target, resulting in a very short space available for the multiplicity detector. The multiplicity detector will therefore have to be very fast(dead time below 50 ns), radiation resistant (up to the Mrad level asdose and up to more than 10(13) particles/cm(2) as non-ionizing damage), compact (less than 12 cm along the beam) and of high granularity (in order to achieve a good resolution in central collisions with up to1000 particles in the acceptance). The conditions on noise, speed andradiation hardness are comparable to the ones foreseen at the future Large Hadron Collider at CERN. We present the detector design and the first results on the components of the system which have been producedand tested up to now. In particular, we report on the performance achieved by the first complete detector modules (including two full-custom VLSI ASICs) and by the transputer-based readout system.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/12/20 alle ore 15:46:41