Performance of an aerogel threshold particle identification detector readout by hybrid photon detectors

Author

Boutigny, D. ; De Bonis, I. ; Favier, J. ; Karyotakis, Y. ; Lafaye, R. ; Foucher, M. ; Jawahery, H. ; Borsato, E. ; DalCarso, F. ; Iacovella, F. ; Morandin, M. ; Posocco, M. ; Stroili, R. ; Torassa, E. ; Voci, C. ; Oyang, J. ; Buzykaev, A. ; Ganzhur, S. ;

Author_Institution

Lab. de Phys. des Particules, CNRS, Annecy-le-Vieux, France

Volume

44

Issue

4

fYear

1997

fDate

8/1/1997 12:00:00 AM

Firstpage

1621

Lastpage

1629

Abstract

This paper describes an aerogel threshold particle identification detector developed for use in BABAR, the experiment to be run at the asymmetric e⁺e^- B-factory PEP-II under construction at the Stanford Linear Accelerator Center (SLAC). Results of extensive tests performed at the CERN PS indicate that this detector is capable of separating pions from below-threshold particles in a wide momentum range. The detector is read by a new version of a hybrid photon detector (HPD). The HPD has been chosen because of its excellent behavior in high magnetic fields, where it can be successfully exploited to preserve the required particle identification (PID) performance

Keywords

Cherenkov counters; meson detection; photodetectors; BABAR; aerogel threshold particle identification detector; below-threshold particles; detector readout; hybrid photon detectors; particle identification; pions; Counting circuits; Detectors; Helium; Linear accelerators; Magnetic field measurement; Magnetic fields; Mesons; Performance evaluation; Physics; Testing;

fLanguage

English

Journal_Title

Nuclear Science, IEEE Transactions on

Publisher

ieee

ISSN

0018-9499

Type

jour

DOI

10.1109/23.604124

Filename

604124