Proton detection with large-acceptance scintillator detection systems in electron-scattering environments

A Pellegrino*, DL Groep, WHA Hesselink, E Jans, N Kalantar-Nayestanaki, WJ Kasdorp, JJ van Leeuwe, FA Mul, CJG Onderwater, R Starink, JJM Steijger, JA Templon

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Two highly segmented plastic-scintillator arrays have been developed for proton detection in electron scattering experiments. The detectors subtend solid angles of 225 and 550 msr and cover energy ranges of 50-225 and 25-165 MeV, respectively. The charge and arrival time of each photomultiplier signal are digitized by flash ADCs and temporarily stored in a dual-port memory. The readout parameters are computer controlled, tuned, and monitored. These detectors have been employed in (e, e'p) and (e, e'pp) experiments for proton emission angles greater than 30 degrees and for luminosities up to 10(36) nucleons cm(-2) s(-1). The singles counting rates in the scintillator elements of the first layers were about 0.5 x 10(6) particles s(-1) and the trigger rate 1 MHz. The measured resolution in the excitation energy and timing spectra are 2.7% and 0.7 ns, respectively. (C) 1999 Elsevier Science B.V. All rights reserved.
Original languageEnglish
Pages (from-to)188-205
Number of pages18
JournalNuclear Instruments & Methods in Physics Research Section A-Accelerators Spectrometers Detectors and Associated Equipment
Volume437
Issue number2-3
DOIs
Publication statusPublished - 21 Nov 1999
Externally publishedYes

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