The CPLEAR particle identification detector

A Angelopoulos,P Pavlopoulos,W Fetcher,G Backenstoss,A Onofre,F Pelucchi,A Apostolakis,L Sakeliou,A Go,T Lawry,J Pinto Da Cunha,C Touramanis,P Carlson,M Chardalas,G Kesseler,R Rickenbach,D Zimmerman,K Sarigiannis,M Wildi,H Cobbaert,E Machado,E Rozaki,R Ferreira‐Marques ,J Miller ,S Dedoussis ,S Charalambous ,P Fassnacht ,D Francis ,Sándor Szilágyi ,J Kuźmiński ,H.‐J Gerber ,C Fuglesang ,B L Roberts ,J Carvalho ,Kjell Jansson ,K Jon‐And ,F A Triantis ,A Kerek ,P Kokkas ,G Varner ,D Warner ,A Policarpo ,F Montanet

doi:10.1016/0168-9002(92)90852-u

The CPLEAR particle identification detector

A Angelopoulos, P Pavlopoulos + Show 41 more

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https://doi.org/10.1016/0168-9002(92)90852-u

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Journal: Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment	Publication Date: Jan 1, 1992
Citations: 9	License type: mit

Affiliation: National and Kapodistrian University of Athens, Center for Particle Physics of Marseilles, Swiss Federal Nuclear Safety Inspectorate, University of Coimbra, European Organization for Nuclear Research, Boston University, Delft University of Technology

#Low Energy Antiproton Ring #Low Energy Antiproton Beam + Show 8 more

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Abstract

The CPLEAR experiment will measure CP violation parameters in the neutral kaon system, using a low energy antiproton beam from the Low Energy Antiproton Ring (LEAR) at CERN. One of its subdetectors, the Particle Identification Detector (PID), makes a fast separation of pions and kaons, which is essential for the experiment. This article describes the design of the PID and its performance during beam tests and during initial runs at LEAR. A pion rejection efficiency of 99.7% for the first level trigger (after 60 ns) is found in the relevant momentum region.

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