Performance study of wavelength shifting acrylic plastic for Cherenkov light detection

B. Beckford, A. De La Puente, Y. Fujii, O. Hashimoto, M. Kaneta, H. Kanda, K. Maeda, A. Matsumura, S. N. Nakamura, N. Perez, J. Reinhold, L. Tang, K. Tsukada

研究成果: Article査読

抄録

The collection efficiency for Cherenkov light incident on a wavelength shifting plate (WLS) has been determined during a beam test at the Proton Synchrotron facility located in the National Laboratory for High Energy Physics (KEK), Tsukuba, Japan. The experiment was conducted in order to determine the detector's response to photoelectrons converted from photons produced by a fused silica radiator; this allows for an approximation of the detector's quality. The yield of the photoelectrons produced through internally generated Cherenkov light as well as light incident from the radiator was measured as a function of the momentum of the incident hadron beam. The yield is proportional to sin2θc, where θc is the opening angle of the Cherenkov light created. Based on estimations and results from similar conducted tests, where the collection efficiency was roughly 39%, the experimental result was expected to be around 40% for internally produced light from the WLS. The results of the experiment determined the photon collection response efficiency of the WLS to be roughly 62% for photons created in a fused silica radiator and 41% for light created in the WLS.

本文言語English
ページ(範囲)78-82
ページ数5
ジャーナルNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
735
DOI
出版ステータスPublished - 2014

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学
  • 器械工学

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