Segmented scintillators with SiPM readout for measuring antiproton annihilations

Anna Sótér, D. Barna, Koichi Todoroki, Takumi Kobayashi, Dezsö Horváth, Masaki Hori

Research output: Contribution to journalArticle

Abstract

The Atomic Spectroscopy and Collisions Using Slow Antiprotons (ASACUSA) experiment at CERN constructed some segmented scintillation counters to measure and track the charged pions emerging from antiproton annihilations in a future superconducting radiofrequency Paul trap for antiprotons. The photoelectron yields of various scintillator configurations were measured using a π- beam of momentum p ≈ 1 GeV/c at the T9 beamline of the CERN Proton Synchrotron (PS). Various fibers and silicon photomultipliers, fiber end terminations, and couplings between the fibers and scintillators were compared. The detectors were also tested using the antiproton beam of the Antiproton Decelerator (AD). At high antiproton rates a saturation was observed in the scintillator signal. We review the detector construction and measurement results.

Original languageEnglish
Article number286
JournalProceedings of Science
Publication statusPublished - 2014

Fingerprint

antiprotons
scintillation counters
readout
fibers
brakes (for arresting motion)
detectors
emerging
synchrotrons
photoelectrons
pions
traps
momentum
saturation
collisions
protons
silicon
configurations
spectroscopy

ASJC Scopus subject areas

  • General

Cite this

Sótér, A., Barna, D., Todoroki, K., Kobayashi, T., Horváth, D., & Hori, M. (2014). Segmented scintillators with SiPM readout for measuring antiproton annihilations. Proceedings of Science, [286].

Segmented scintillators with SiPM readout for measuring antiproton annihilations. / Sótér, Anna; Barna, D.; Todoroki, Koichi; Kobayashi, Takumi; Horváth, Dezsö; Hori, Masaki.

In: Proceedings of Science, 2014.

Research output: Contribution to journalArticle

Sótér, Anna ; Barna, D. ; Todoroki, Koichi ; Kobayashi, Takumi ; Horváth, Dezsö ; Hori, Masaki. / Segmented scintillators with SiPM readout for measuring antiproton annihilations. In: Proceedings of Science. 2014.
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