Time-of-propagation counter for the LEPS

C. J. Yoon; H. Hamano; T. Hotta; Y. Kasamatsu; Y. Morino; Y. Nakatsugawa; T. Nakano; T. Nam; H. Noumi; M. Oka; S. Y. Ryu; M. Yosoi; K. Matsuoka; Y. Kato; Y. Arita; K. Inami; K. Suzuki; T. Hyakawa; T. Iijima; R. Maeshima; S. Hirose; Y. Horii; M. Niiyama; Y. Nozawa; N. Muramatsu; E. A. Strokovsky; M. Uchida; M. Barrett; T. Browder; M. Jones; S. Korpar

doi:10.1109/TNS.2014.2344037

Time-of-propagation counter for the LEPS

C. J. Yoon, H. Hamano, T. Hotta, Y. Kasamatsu, Y. Morino, Y. Nakatsugawa, T. Nakano, T. Nam, H. Noumi, M. Oka, S. Y. Ryu, M. Yosoi, K. Matsuoka, Y. Kato, Y. Arita, K. Inami, K. Suzuki, T. Hyakawa, T. Iijima, R. MaeshimaS. Hirose, Y. Horii, M. Niiyama, Y. Nozawa, N. Muramatsu, E. A. Strokovsky, M. Uchida, M. Barrett, T. Browder, M. Jones, S. Korpar

Research Center for Electron Photon Science (ELPH)

Research output: Contribution to journal › Article

Abstract

We have tested a time-of-propagation (TOP) counter, which is a ring-image Cherenkov counter utilizing the position and propagation time of the Cherenkov light produced by particles moving in a quartz radiator. Position-sensitive photomultipliers (PMTs) are attached to the end of the quartz bar to detect the produced Cherenkov-ring image. The velocity of the charged particle was determined by comparing the time-of-propagation spectra of the Cherenkov light with the results of Monte Carlo simulation. From analysis of the test experiment using the 1.22-GeV/c electron beam at SPring-8, we determined the velocity of the electron beam to be 1.001 with a resolution of 0.002. On the basis of this study, we suggest a full setup for the detector for separating pions and kaons in the momentum region from 1.5 to 2.0 GeV/c for a beam angle of less than 6 , by more than four standard deviations.

Original language	English
Article number	2344037
Pages (from-to)	2601-2607
Number of pages	7
Journal	IEEE Transactions on Nuclear Science
Volume	61
Issue number	5
DOIs	https://doi.org/10.1109/TNS.2014.2344037
Publication status	Published - 2014 Oct 1

Keywords

Fused quartz
Position-sensitive photomultiplier
Ring-image cherenkov counter
TOP counter
Time-of-propagation

ASJC Scopus subject areas

Nuclear and High Energy Physics
Nuclear Energy and Engineering
Electrical and Electronic Engineering

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Yoon, C. J., Hamano, H., Hotta, T., Kasamatsu, Y., Morino, Y., Nakatsugawa, Y., Nakano, T., Nam, T., Noumi, H., Oka, M., Ryu, S. Y., Yosoi, M., Matsuoka, K., Kato, Y., Arita, Y., Inami, K., Suzuki, K., Hyakawa, T., Iijima, T., ... Korpar, S. (2014). Time-of-propagation counter for the LEPS. IEEE Transactions on Nuclear Science, 61(5), 2601-2607. [2344037]. https://doi.org/10.1109/TNS.2014.2344037

Time-of-propagation counter for the LEPS. / Yoon, C. J.; Hamano, H.; Hotta, T.; Kasamatsu, Y.; Morino, Y.; Nakatsugawa, Y.; Nakano, T.; Nam, T.; Noumi, H.; Oka, M.; Ryu, S. Y.; Yosoi, M.; Matsuoka, K.; Kato, Y.; Arita, Y.; Inami, K.; Suzuki, K.; Hyakawa, T.; Iijima, T.; Maeshima, R.; Hirose, S.; Horii, Y.; Niiyama, M.; Nozawa, Y.; Muramatsu, N.; Strokovsky, E. A.; Uchida, M.; Barrett, M.; Browder, T.; Jones, M.; Korpar, S.

In: IEEE Transactions on Nuclear Science, Vol. 61, No. 5, 2344037, 01.10.2014, p. 2601-2607.

Research output: Contribution to journal › Article

Yoon, CJ, Hamano, H, Hotta, T, Kasamatsu, Y, Morino, Y, Nakatsugawa, Y, Nakano, T, Nam, T, Noumi, H, Oka, M, Ryu, SY, Yosoi, M, Matsuoka, K, Kato, Y, Arita, Y, Inami, K, Suzuki, K, Hyakawa, T, Iijima, T, Maeshima, R, Hirose, S, Horii, Y, Niiyama, M, Nozawa, Y, Muramatsu, N, Strokovsky, EA, Uchida, M, Barrett, M, Browder, T, Jones, M & Korpar, S 2014, 'Time-of-propagation counter for the LEPS', IEEE Transactions on Nuclear Science, vol. 61, no. 5, 2344037, pp. 2601-2607. https://doi.org/10.1109/TNS.2014.2344037

Yoon, C. J. ; Hamano, H. ; Hotta, T. ; Kasamatsu, Y. ; Morino, Y. ; Nakatsugawa, Y. ; Nakano, T. ; Nam, T. ; Noumi, H. ; Oka, M. ; Ryu, S. Y. ; Yosoi, M. ; Matsuoka, K. ; Kato, Y. ; Arita, Y. ; Inami, K. ; Suzuki, K. ; Hyakawa, T. ; Iijima, T. ; Maeshima, R. ; Hirose, S. ; Horii, Y. ; Niiyama, M. ; Nozawa, Y. ; Muramatsu, N. ; Strokovsky, E. A. ; Uchida, M. ; Barrett, M. ; Browder, T. ; Jones, M. ; Korpar, S. / Time-of-propagation counter for the LEPS. In: IEEE Transactions on Nuclear Science. 2014 ; Vol. 61, No. 5. pp. 2601-2607.

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abstract = "We have tested a time-of-propagation (TOP) counter, which is a ring-image Cherenkov counter utilizing the position and propagation time of the Cherenkov light produced by particles moving in a quartz radiator. Position-sensitive photomultipliers (PMTs) are attached to the end of the quartz bar to detect the produced Cherenkov-ring image. The velocity of the charged particle was determined by comparing the time-of-propagation spectra of the Cherenkov light with the results of Monte Carlo simulation. From analysis of the test experiment using the 1.22-GeV/c electron beam at SPring-8, we determined the velocity of the electron beam to be 1.001 with a resolution of 0.002. On the basis of this study, we suggest a full setup for the detector for separating pions and kaons in the momentum region from 1.5 to 2.0 GeV/c for a beam angle of less than 6 , by more than four standard deviations.",

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AU - Yoon, C. J.

AU - Hamano, H.

AU - Hotta, T.

AU - Kasamatsu, Y.

AU - Morino, Y.

AU - Nakatsugawa, Y.

AU - Nakano, T.

AU - Nam, T.

AU - Noumi, H.

AU - Oka, M.

AU - Ryu, S. Y.

AU - Yosoi, M.

AU - Matsuoka, K.

AU - Kato, Y.

AU - Arita, Y.

AU - Inami, K.

AU - Suzuki, K.

AU - Hyakawa, T.

AU - Iijima, T.

AU - Maeshima, R.

AU - Hirose, S.

AU - Horii, Y.

AU - Niiyama, M.

AU - Nozawa, Y.

AU - Muramatsu, N.

AU - Strokovsky, E. A.

AU - Uchida, M.

AU - Barrett, M.

AU - Browder, T.

AU - Jones, M.

AU - Korpar, S.

PY - 2014/10/1

Y1 - 2014/10/1

N2 - We have tested a time-of-propagation (TOP) counter, which is a ring-image Cherenkov counter utilizing the position and propagation time of the Cherenkov light produced by particles moving in a quartz radiator. Position-sensitive photomultipliers (PMTs) are attached to the end of the quartz bar to detect the produced Cherenkov-ring image. The velocity of the charged particle was determined by comparing the time-of-propagation spectra of the Cherenkov light with the results of Monte Carlo simulation. From analysis of the test experiment using the 1.22-GeV/c electron beam at SPring-8, we determined the velocity of the electron beam to be 1.001 with a resolution of 0.002. On the basis of this study, we suggest a full setup for the detector for separating pions and kaons in the momentum region from 1.5 to 2.0 GeV/c for a beam angle of less than 6 , by more than four standard deviations.

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