Design, construction, and initial performance of SciBar detector in K2K experiment

S. Yamamoto, S. Andringa, S. Aoki, S. Choi, U. Dore, X. Espinal, J. J. Gomez-Cadenas, R. Gran, M. Hasegawa, K. Hayashi, K. Hayashi, Y. Hayato, K. Hiraide, A. K. Ichikawa, M. Iinuma, J. S. Jang, E. J. Jeon, K. K. Joo, G. Jover-Mañas, C. K. JungI. Kato, D. Kerr, J. Y. Kim, S. B. Kim, K. Kobayashi, A. Kohara, J. Kubota, Yu Kudenko, Y. Kuno, M. J. Lee, E. Lessac-Chenin, I. T. Lim, P. F. Loverre, L. Ludovici, H. Maesaka, C. Mariani, C. McGrew, O. Mineev, T. Morita, T. Murakami, Y. Nakanishi, T. Nakaya, S. Nawang, K. Nishikawa, K. Nitta, F. Nova, M. Y. Pac, E. J. Rhee, A. Rodriguez, F. Sanchez, T. Sasaki, K. K. Shiraishi, A. Suzuki, T. Takahashi, Y. Takubo, M. Tanaka, R. Terri, A. Tornero-Lopez, S. Ueda, L. Whitehead, R. J. Wilkes, M. Yokoyama, M. Yoshida

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10 Citations (Scopus)

Abstract

A new near detector for the K2K long baseline neutrino experiment, the SciBar, was constructed and started data taking to study neutrino interactions. In K2K, neutrino oscillation is studied by comparing the number of neutrino interactions and energy spectrum between near and far detectors. In order to study neutrino oscillations more precisely, it is necessary to improve the measurement of neutrino spectrum and interactions below 1 GeV, where the latest K2K results suggest maximum oscillation. For that purpose, SciBar is designed to be fully active with fine segmentation. We present the design and basic performance. All detector components have been working as expected. Also presented are the measurements of charged current interactions which are used in the latest K2K oscillation analysis.

Original languageEnglish
Pages (from-to)2992-2997
Number of pages6
JournalIEEE Transactions on Nuclear Science
Volume52
Issue number6
DOIs
Publication statusPublished - 2005 Dec
Externally publishedYes

Keywords

  • Detectors
  • Neutrinos
  • Scintillation detectors

ASJC Scopus subject areas

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

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