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1998 Fiscal Year Final Research Report Summary

The study of a tauneutrino

Research Project

Project/Area Number 08045023
Research Category

Grant-in-Aid for international Scientific Research

Allocation TypeSingle-year Grants
SectionUniversity-to-University Cooperative Research
Research Field 素粒子・核・宇宙線
Research InstitutionNagoya University

Principal Investigator

NIWA Kimio  Nagoya University, Graduate School of Science, Professor, 大学院・理学研究科, 教授 (60113445)

Co-Investigator(Kenkyū-buntansha) PANNMAN J.  CERN PPE DIV., Professor, 教授
NAKAMURA Mitsuhiro  Nagoya University, Graduate School of Science, Research Associate, 大学院・理学研究科, 助手 (90183889)
HOSHINO Kaoru  Nagoya University, Graduate School of Science, Associate Professor, 大学院・理学研究科, 助教授 (70022738)
Project Period (FY) 1997 – 1998
KeywordsTau-neutrino / Neutrino oscillation / Emulsion / Dark matter / Elementary particle
Research Abstract

We proceeded neutrino oscillation experiment CHORUS.This experiment using the neutrino beam of CERN is the experiment of international collaboration of 10 countrys(ltaly, Germany, Holanda, etc).
The detector consist of the emulsion target and the counter to identify the particle and momentum. Nagoya University contribute on the emulsion part and many laboratory of Europe contribute on counter parts.
Two international conferences were organized in past two years, the first one is "The first Workshop on Nuclear Emulsion Techniques" on 12-14/June 1998 at Nagoya City conference hole, and the second one is the memorial meeting of the completion of "Ultra first Track Selector" on 8-11/March 1999.
We succeeded to improve the technology how to use the emulsion in past two years and got the big progress in preparation for the future experiment "Long base line neutrino oscillation".

  • Research Products

    (12 results)

All Other

All Publications (12 results)

  • [Publications] E.Arik: "The CHORUS experiment to search for ν_μ→ν_τ oscillation" Nucl.Inst.Meth.A401. 7-44 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] E.Eskut: "A search for ν_μ→ν_τ oscillation" Phys.Lett.B424. 202-212 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] P.Annis: "Obersvation of neutrino induced diffractive D_S^+ production and subsequent decay D_S^+→D_s^+→τ^+→μ^+" Phys.Lett.B435. 558-464 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] E.Eskut: "Search for Search for ν_μ→ν_τ using the τ decay modes into a single charged particle." Phys.Lett.B434. 205-213 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Aoki: "Quaifree p(K^-,K^+)Ξ^- reaction in nuclear emulsion" Nuclear Physics. A644. 365-385 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] E.Eskut: "Observation of neutrino induced diffractive D_s^+ production in neutrino production and subsequent decay D_s^-→D_s→τ→μ" et al., Phys.Lett.B435. 458-464 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] E.Arik, et al.: "The CHORUS experiment to search for nu_<mu>*nu_<tau> oscillation" Nucl.Inst.Meth. A401. 7-44 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] E.Eskut, et al.: "A search for nu_<mu>*nu_<tau> oscillation" Phys.Lett. B424. 202-212 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] P.Annis, et al.: "Obersvation of neutrino induced diffractive D_S^<*+> production and subsequent decay D_S^<*+>*D_S^+*tau^+*mu^+" Phys.Lett. B435. 558-464 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] E.Eskut, et al.: "Search for Search for nu_<mu>*nu_<tau> using the tau decay modes into a single charged particle." Phys.Lett. B434. 205-213 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Aoki, et al.: "Quaifree p (K^-, K^+)XI^- reaction in nuclear emulsion" Nuclear Physics. A644. 365-385 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] E.Eskut et al.: "Observation of neutrino induced diffractive D_S^<+*> production in neutrino production and subsequent decay D_S^**D_S*tau*mu" Phys.Lett. B435. 458-464 (1998)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1999-12-08  

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