Seminare de DPNC
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Mercredi, 14 avril 1999

17.00 - Auditoire Stuckelberg

Universite de Geneve
Departement de physique
nucleaire et corpusculaire
24, quai Ernest-Ansermet
1211 Geneva 4

Tel. 022 702 6273
Fax 022 781 2192

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Sujet:	HERA-B: An experiment to measure CP violation in the B system.

Par: Dr. Federico Sanchez, DESY, Germany


Resume:	
 The HERA-B experiment is dedicated to the measurement of CP-violation
in decays of neutral B-mesons. b quarks are produced introducing 8 thin 
wires into the HERA proton beam halo. The B-mesons are produced in a 
formidable background of inelastic proton-nucleon-interactions. The detector 
has to cope with the correspondingly high particle densities and large 
radiation 
environment while the DAQ and trigger have been designed for high data flows.