Upstream veto counter for the K2K long baseline neutrino oscillation experiment

S. H. Ahn; S. An; E. J. Jeon; S. J. Hong; C. O. Kim; J. W. Lee; J. K. Oh; S. H. Park; S. K. Park; D. K. Goo

doi:10.1016/S0168-9002(00)00328-4

Upstream veto counter for the K2K long baseline neutrino oscillation experiment

S. H. Ahn, S. An, E. J. Jeon, S. J. Hong, C. O. Kim, J. W. Lee, J. K. Oh, S. H. Park, S. K. Park, D. K. Goo

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

We have constructed and tested the upstream veto counter for the K2K long baseline neutrino oscillation experiment. The upstream veto counter was constructed in such a way that two VENUS scintillators were read out via a single photomultiplier tube at each end. Timing resolutions and efficiencies of the veto counter were better than 1.0 ns and 99% in the active region of the scintillators, respectively. Energy resolutions of the veto counter are also better than 20% between the far end and the center of the scintillators. We conclude that the upstream veto counter meets requirements to reject backgrounds such as cosmic muons and beam-related muons from the upstream water Cherenkov counter and to separate beam-induced electrons from muons.

Original language	English
Pages (from-to)	558-571
Number of pages	14
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	451
Issue number	3
DOIs	https://doi.org/10.1016/S0168-9002(00)00328-4
Publication status	Published - 2000 Sept 11

Bibliographical note

Funding Information:
The authors appreciate K. Nishikawa for providing scintillators and photomultiplier tubes for the construction of the upstream veto counter. We also like to tahnk T. Nakamura and Y. Oyama for their help in construction and test of the counter. We are also indebted to the engineers at Korea Detector Laboratory for their hard and successful work producing light guides for the upstream veto counter. This work was supported by Korea Research Foundation and the Ministry of Science and Technology.

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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10.1016/S0168-9002(00)00328-4

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Ahn, S. H., An, S., Jeon, E. J., Hong, S. J., Kim, C. O., Lee, J. W., Oh, J. K., Park, S. H., Park, S. K., & Goo, D. K. (2000). Upstream veto counter for the K2K long baseline neutrino oscillation experiment. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 451(3), 558-571. https://doi.org/10.1016/S0168-9002(00)00328-4

Ahn, SH, An, S, Jeon, EJ, Hong, SJ, Kim, CO, Lee, JW, Oh, JK, Park, SH, Park, SK & Goo, DK 2000, 'Upstream veto counter for the K2K long baseline neutrino oscillation experiment', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 451, no. 3, pp. 558-571. https://doi.org/10.1016/S0168-9002(00)00328-4

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title = "Upstream veto counter for the K2K long baseline neutrino oscillation experiment",

abstract = "We have constructed and tested the upstream veto counter for the K2K long baseline neutrino oscillation experiment. The upstream veto counter was constructed in such a way that two VENUS scintillators were read out via a single photomultiplier tube at each end. Timing resolutions and efficiencies of the veto counter were better than 1.0 ns and 99% in the active region of the scintillators, respectively. Energy resolutions of the veto counter are also better than 20% between the far end and the center of the scintillators. We conclude that the upstream veto counter meets requirements to reject backgrounds such as cosmic muons and beam-related muons from the upstream water Cherenkov counter and to separate beam-induced electrons from muons.",

author = "Ahn, {S. H.} and S. An and Jeon, {E. J.} and Hong, {S. J.} and Kim, {C. O.} and Lee, {J. W.} and Oh, {J. K.} and Park, {S. H.} and Park, {S. K.} and Goo, {D. K.}",

note = "Funding Information: The authors appreciate K. Nishikawa for providing scintillators and photomultiplier tubes for the construction of the upstream veto counter. We also like to tahnk T. Nakamura and Y. Oyama for their help in construction and test of the counter. We are also indebted to the engineers at Korea Detector Laboratory for their hard and successful work producing light guides for the upstream veto counter. This work was supported by Korea Research Foundation and the Ministry of Science and Technology.",

year = "2000",

month = sep,

day = "11",

doi = "10.1016/S0168-9002(00)00328-4",

language = "English",

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pages = "558--571",

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T1 - Upstream veto counter for the K2K long baseline neutrino oscillation experiment

AU - Ahn, S. H.

AU - An, S.

AU - Jeon, E. J.

AU - Hong, S. J.

AU - Kim, C. O.

AU - Lee, J. W.

AU - Oh, J. K.

AU - Park, S. H.

AU - Park, S. K.

AU - Goo, D. K.

N1 - Funding Information: The authors appreciate K. Nishikawa for providing scintillators and photomultiplier tubes for the construction of the upstream veto counter. We also like to tahnk T. Nakamura and Y. Oyama for their help in construction and test of the counter. We are also indebted to the engineers at Korea Detector Laboratory for their hard and successful work producing light guides for the upstream veto counter. This work was supported by Korea Research Foundation and the Ministry of Science and Technology.

PY - 2000/9/11

Y1 - 2000/9/11

N2 - We have constructed and tested the upstream veto counter for the K2K long baseline neutrino oscillation experiment. The upstream veto counter was constructed in such a way that two VENUS scintillators were read out via a single photomultiplier tube at each end. Timing resolutions and efficiencies of the veto counter were better than 1.0 ns and 99% in the active region of the scintillators, respectively. Energy resolutions of the veto counter are also better than 20% between the far end and the center of the scintillators. We conclude that the upstream veto counter meets requirements to reject backgrounds such as cosmic muons and beam-related muons from the upstream water Cherenkov counter and to separate beam-induced electrons from muons.

AB - We have constructed and tested the upstream veto counter for the K2K long baseline neutrino oscillation experiment. The upstream veto counter was constructed in such a way that two VENUS scintillators were read out via a single photomultiplier tube at each end. Timing resolutions and efficiencies of the veto counter were better than 1.0 ns and 99% in the active region of the scintillators, respectively. Energy resolutions of the veto counter are also better than 20% between the far end and the center of the scintillators. We conclude that the upstream veto counter meets requirements to reject backgrounds such as cosmic muons and beam-related muons from the upstream water Cherenkov counter and to separate beam-induced electrons from muons.

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JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

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ER -

Upstream veto counter for the K2K long baseline neutrino oscillation experiment

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