Beam tests of Cherenkov detector modules with picosecond time resolution for start and L0 trigger detectors of MPD and BM@N experiments

V. I. Yurevich, O. I. Batenkov, G. N. Agakichiev,G. S. Averichev,V. A. Babkin, S. N. Basilev, D. N. Bogoslovsky,L. G. Efimov, S. P. Lobastov,I. A. Philippov, A. A. Povtoreyko,V. Yu. Rogov,M. M. Rumyantsev, I. V. Slepnev, V. M. Slepnev, A. V. Shipunov, A. V. Terletsky,V. V. Tikhomirov, A. S. Veschikov, G. A. Yarigin, A. N. Zubarev

Physics of Particles and Nuclei Letters（2015）

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摘要

Two modular Cherenkov detectors FFD and T0 are developed for MPD and BM@N projects at LHEP/JINR for study of Au + Au collisions. The aim of the detectors is production of a start signal for a TOF detector and an effective L0 trigger for the collisions. The detector module design, characteristics, and results of tests with a deuteron beam are discussed. The time resolution of the modules for a single high energy photon or charged hadron is σ t ≈ 21–31 ps and it depends on method and electronics used.

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关键词

Nucleus Letter,Beam Test,High Energy Photon,Cherenkov Photon,Dead Area

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