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2010 Fiscal Year Final Research Report

Evolution of Tau-lepton Physics

Research Project

  • PDF
Project/Area Number 18GS0206
Research Category

Grant-in-Aid for Creative Scientific Research

Allocation TypeSingle-year Grants
Research InstitutionNagoya University

Principal Investigator

OHSHIMA Takayoshi  Nagoya University, 理学研究科, 特任教授 (00134651)

Co-Investigator(Kenkyū-buntansha) HAYASHII Hisaki  奈良女子大学, 理学部, 教授 (50180980)
TOMOTO Makoto  名古屋大学, 大学院・理学研究科, 准教授 (80432235)
INAMI Kenji  名古屋大学, 大学院・理学研究科, 准教授 (50372529)
Project Period (FY) 2006 – 2010
Keywords素粒子 / タウ・レプトン / レプトンフレーバ保存則 / Bファクトリー / LHC-ATLAS / 超対称性粒子 / 粒子識別装置 / 光検出器
Research Abstract

Elementary particle physics has greatly progressed in building the Standard Model (SM) which is consistent with all observed phenomena so far. Researchers now focus on the search for New Physics World (NP) beyond the SM. Based on the world highest intense B factory, we intend to detect new phenomena by analyzing a yet-to-be obtained huge number of tau-data ever attempted, and in doing so, we hope that this ambitious project will be the catalyst in opening new windows to the world of physics.

  • Research Products

    (56 results)

All 2011 2010 2009 2008 2007 2006 Other

All Journal Article (21 results) (of which Peer Reviewed: 21 results) Presentation (34 results) Remarks (1 results)

  • [Journal Article] Lifetime-Extended MCP-PMT2011

    • Author(s)
      T.Jinno, T.Mori, T.Ohshima Y.Arita, K.Inami, et al.
    • Journal Title

      Nucl.Instrum.Meth.A 629

      Pages: 111-117

    • Peer Reviewed
  • [Journal Article] Commissioning of the ATLAS Muon Spectrometer with Cosmic Rays2010

    • Author(s)
      M.Tomoto, 他
    • Journal Title

      EPJC(ATLAS collaboration) 70

      Pages: 875

    • Peer Reviewed
  • [Journal Article] Updated Search for Lepton Flavor Violating tau Decays into Three Leptons with 710 Million Produced τ^+τ^- Paris2010

    • Author(s)
      K.Hayasaka, K.Inami, Y.Miyazaki, T.Ohshima H.Hayahii, et al.
    • Journal Title

      Phys.Lett.B(Belle collaboration) 687

      Pages: 139

    • Peer Reviewed
  • [Journal Article] Search for LeptonFlavor Violating τ Decays into 1K^0s and 1K^0sK^0s2010

    • Author(s)
      Y.Miyazaki, T.Ohshima, H.Hayahii, K.Inami, et al.
    • Journal Title

      Phys.Lett.B(Belle collaboration) 692

      Pages: 4

    • Peer Reviewed
  • [Journal Article] Search for Lepton-Flavor-Violating τ Decays into a Lepton and an f_0(980) Meson2009

    • Author(s)
      Y.Miyazaki T.Ohshima, H.Hayahii, K.Inami, et al.
    • Journal Title

      Phys.Lett.B(Belle collaboration) 672

      Pages: 317

    • Peer Reviewed
  • [Journal Article] Search for Lepton Flavor Violating τ Decays into one Lepton and Two Charged Mesons2009

    • Author(s)
      Y.Miyazaki, T.Ohshima, H.Hayahii, K.Inami, et al.
    • Journal Title

      Phys.Lett.B(Belle collaboration) 682

      Pages: 355

    • Peer Reviewed
  • [Journal Article] Precise measurement of hadronic τ-decays with an η meson2009

    • Author(s)
      K.Inami, T.Ohshima, K.Kaji, H.Hayashii, et al.
    • Journal Title

      Phys.Lett.B(Belle collaboration) 672

      Pages: 209

    • Peer Reviewed
  • [Journal Article] Photomultiplier tubes with three MCPs.2009

    • Author(s)
      K.Inami, T.Mori, T.Ohshima, et al
    • Journal Title

      Nucl.Instrum.Meth A598

      Pages: 160-162

    • Peer Reviewed
  • [Journal Article] Search for Lepton Flavor Violating τ Decays into Three Leptons2008

    • Author(s)
      Y.Miyazaki, T.Ohshima, H.Hayahii, K.Inami, et al.
    • Journal Title

      Phys.Lett.B(Belle collaboration) 660

      Pages: 154

    • Peer Reviewed
  • [Journal Article] Search for lepton-flavor-violating τ→1 VO decays at Belle2008

    • Author(s)
      Y.Nishio, K.Inami T.Ohshima, H. Hayashii, et al.
    • Journal Title

      Phys.Lett.B(Belle collaboration) 664

      Pages: 35

    • Peer Reviewed
  • [Journal Article] high-Statistics Study of the τ→ππ^0υ Decay2008

    • Author(s)
      M.Fujikawa, H.Hayashii, T.Ohshima, S.I.Eidelman, K.Inami, et al.
    • Journal Title

      Phys.Rev.D(Belle collaboration) 78

      Pages: 072006

    • Peer Reviewed
  • [Journal Article] New Search for τ→μγ and τ→eγ decays at Belle2008

    • Author(s)
      K.Hayasaka, T.Ohshima, H.Hayahii, K.Inami, et al.
    • Journal Title

      Phys.Lett.B(The Belle collaboration) 666

      Pages: 16

    • Peer Reviewed
  • [Journal Article] Cross-talk suppressed multi-anode MCP-PMT2008

    • Author(s)
      K.Inami, T.Ohshima, et al.
    • Journal Title

      Nucl.Instrum.Meth.A 592

      Pages: 247-253

    • Peer Reviewed
  • [Journal Article] Likelihood Analysis of patterns in a time-of-Propagation (TOP) counter2008

    • Author(s)
      M.Staric, K.Inami, et al
    • Journal Title

      Nucl.Instrum.Meth.A 595

      Pages: 252-255

    • Peer Reviewed
  • [Journal Article] Development of TOP counter for Super B factory2008

    • Author(s)
      K.Inami
    • Journal Title

      Nucl.Instrum.Meth.A 595

      Pages: 96-99

    • Peer Reviewed
  • [Journal Article] The ATLAS Experiment at the CERN Large Hadron Collider2008

    • Author(s)
      M.Tomoto, 他
    • Journal Title

      JINST(ATLAS collaboration) 3

      Pages: S08003

    • Peer Reviewed
  • [Journal Article] Search for Lepton Flavor Violating τ Decays into 1η, 1η' and 1π^02007

    • Author(s)
      Y.Miyazaki, T.Ohshima, H.Hayahii, K.Inami, et al.
    • Journal Title

      Phys.Lett.B(Belle collaboration) 648

      Pages: 341

    • Peer Reviewed
  • [Journal Article] First Observation of the Decay τ→φKν2006

    • Author(s)
      K.Inami, T.Ohshima, H.Hayahii, et al.
    • Journal Title

      Phys.Lett.B(Belle Collaboration) 643

      Pages: 5

    • Peer Reviewed
  • [Journal Article] Search for lepton flavor violating taudecays with a Ks meson2006

    • Author(s)
      Y.Miyazaki, T.Ohshima, H.Hayahii, K.Inami, et al.
    • Journal Title

      Phys.Lett.B(Belle Collaboration) 639

      Pages: 159

    • Peer Reviewed
  • [Journal Article] Search for Lepton-Flavor-Violating τDecays into a Lepton and a Vector Meson

    • Author(s)
      Y.Miyazaki, T.Ohshima, H.Hayahii, K.Inami, et.al.
    • Journal Title

      (Belle collaboration) accepted to Phys.Lett.B.

    • Peer Reviewed
  • [Journal Article] Measurement of the top quark-pair production cross section with ATLAS in pp collision" at √<s>=7 TeV

    • Author(s)
      M.Tomoto, 他
    • Journal Title

      accepted by Epic

    • Peer Reviewed
  • [Presentation] TOP counter prototype R&D2011

    • Author(s)
      T.Mori
    • Organizer
      IEEE Nuclear Science Symposium
    • Place of Presentation
      Knoxville, TN, USA
    • Year and Date
      20111030-20111106
  • [Presentation] Tau physics at Belle2010

    • Author(s)
      K.Hayasaka
    • Organizer
      Symposium on Prospects in the Physics of Discrete Symmetries
    • Place of Presentation
      Rome, Italy
    • Year and Date
      20101206-20101211
  • [Presentation] Performance Test of TOP Counter Prototype2010

    • Author(s)
      T.Mori
    • Organizer
      WORKSHOP ON TIMING DETECTORS
    • Place of Presentation
      Krakow, Poland
    • Year and Date
      20101129-20101201
  • [Presentation] Updated search for lepton-flavor-violating tau decays at Belle2010

    • Author(s)
      K.Inami
    • Organizer
      The 11^<th> International Workshop onTau-Lepton Physics (TAU2010)
    • Place of Presentation
      Manchester, UK
    • Year and Date
      20100913-20100917
  • [Presentation] Search for CP violation in tau lepton decays at Belle (TAU2010)2010

    • Author(s)
      M.Bischofberger
    • Place of Presentation
      Manchester, UK
    • Year and Date
      20100913-20100917
  • [Presentation] Search for lepton flavour violating tau decay and lepton-number violation B decay at Belle2010

    • Author(s)
      K.Hayasaka
    • Organizer
      35th International Conference on High Energy Physics
    • Place of Presentation
      Paris, France
    • Year and Date
      20100721-20100728
  • [Presentation] Recent tau decay results at B factories2010

    • Author(s)
      K.Iayasaka
    • Organizer
      22nd Rencontres de Bloiss
    • Place of Presentation
      Blois, France
    • Year and Date
      20100715-20100720
  • [Presentation] Lepton Flavor Violation at B Factories2010

    • Author(s)
      Y.Miyazaki
    • Organizer
      Flavor Physics and CV Violation 2010
    • Place of Presentation
      Torino, Italy
    • Year and Date
      20100525-20100529
  • [Presentation] Development of time of propagation counters2010

    • Author(s)
      K.Inami
    • Organizer
      7^<th> International Workshop on Ring Imaging Cherenkov Detectors
    • Place of Presentation
      Cassis, Provence, France
    • Year and Date
      20100503-20100507
  • [Presentation] Rare decays of tau lepton at Belle2009

    • Author(s)
      M.Bischofberger
    • Organizer
      6th International Workshop On e^+e^- Collisions From Phi To Psi
    • Place of Presentation
      Beijing, China
    • Year and Date
      20091013-20091016
  • [Presentation] ATLAS Muon Spectrometer, Status and Performance2009

    • Author(s)
      Y.Takahashi
    • Organizer
      International Conference on Advanced Technology and Particle Physics
    • Place of Presentation
      Como Italy
    • Year and Date
      20091005-20091009
  • [Presentation] Rare τ decays from B factory2009

    • Author(s)
      K.Inami
    • Organizer
      The 12th International Conference on B-Physics at Hadron Machines
    • Place of Presentation
      Heidelberg, Germany
    • Year and Date
      20090907-20090911
  • [Presentation] Recent Belle results on the hadronic decays of tau lepton2009

    • Author(s)
      H.Hayashii
    • Organizer
      3rd International Conference on Hadron Structure '09
    • Place of Presentation
      Tatranska Strba, Slovak Republic
    • Year and Date
      20090830-20090903
  • [Presentation] Second-class current in τ→πην analysis and measurement of τ→h'h''h''' from Belle2009

    • Author(s)
      K.Hayasaka
    • Organizer
      2009 Europhysics Conference on High Energy Physics : HEP 2009 (EPS-HEP 2009)
    • Place of Presentation
      Krakow, Poland
    • Year and Date
      20090716-20090722
  • [Presentation] Search for Lepton Flavor Violation in τ Decays at Belle Experiment2009

    • Author(s)
      Y.Miyazaki
    • Organizer
      EPS-HEP
    • Year and Date
      20090000
  • [Presentation] Search for LFV at B factories2008

    • Author(s)
      K.Hayasaka
    • Organizer
      Symposium on Prospects in the Physics of Discrete Symmetries
    • Place of Presentation
      IFIC, Valencia, Spain
    • Year and Date
      20081211-20081216
  • [Presentation] Tests of MCP-PMT for the TOP counter2008

    • Author(s)
      K.Inami
    • Organizer
      Workshop on timing detectors : Medical and Particle Physics applications
    • Place of Presentation
      Lyon, France
    • Year and Date
      20081015-20081016
  • [Presentation] Search for Lepton Flavor Violating τ decays at Belle2008

    • Author(s)
      Y.Miyazaki
    • Organizer
      10th International Workshop on Tau Lepton Physics (TAU08)
    • Place of Presentation
      Novosibirsk, Russia
    • Year and Date
      20080922-20080925
  • [Presentation] The Commissioning status and results of ATLAS Levell Endcap Muon Trigger System2008

    • Author(s)
      Y.Okumura
    • Organizer
      Topical Workshop on Electronics for Particle Physics
    • Place of Presentation
      Naxos, Greece
    • Year and Date
      20080915-20080919
  • [Presentation] Hadronic Tau Decays at Belle2008

    • Author(s)
      K.Inami
    • Organizer
      34th International Conference on High Energy Physics
    • Place of Presentation
      Philadelphia, PA, USA
    • Year and Date
      20080730-20080806
  • [Presentation] Experimental review of lepton-flavor-violating tau decays2008

    • Author(s)
      K.Inami
    • Organizer
      International Workshop On e^+e^- Collisions From Phi To Psi(PHIPSIO8)
    • Place of Presentation
      Laboratori Nazionali di Frascati, Italy
    • Year and Date
      20080407-20080410
  • [Presentation] Development of TOP counter for Super B factory2007

    • Author(s)
      K.Inami
    • Organizer
      6th International Workshop On Ring Imaging Cherenkov Counters
    • Place of Presentation
      Trieste, Italy
    • Year and Date
      20071015-20071020
  • [Presentation] The 1st Result of Global Commissioning of the ATLAS Endcap Muon Trigger System in ATLAS Cavern2007

    • Author(s)
      T.Sugimoto
    • Organizer
      Topical Workshop on Electronics for Particle Physics
    • Place of Presentation
      Prague, Czech Republic
    • Year and Date
      20070903-20070907
  • [Presentation] Timing properties of MCP-PMT2007

    • Author(s)
      K.Inami
    • Organizer
      Workshop on timing detectors
    • Place of Presentation
      Paris, France
    • Year and Date
      20070308-20070309
  • [Presentation] Rare decays in ATLAS and CMS2006

    • Author(s)
      M.Tomoto
    • Organizer
      Workshop on the CKM Unitarity Triangle
    • Place of Presentation
      Nagoya, Japan
    • Year and Date
      20061212-20061216
  • [Presentation] Study of LFV in tau Decay at Belle2006

    • Author(s)
      T.Ohshima
    • Organizer
      International Workshop on Tau-Lepton Physics (Tau06)
    • Place of Presentation
      Pisa, Italy
    • Year and Date
      20060919-20060922
  • [Presentation] Search of lepton flavor violation at B factories2006

    • Author(s)
      K.Hayasaka
    • Organizer
      International Conference of High Energy Physics
    • Place of Presentation
      Moscow, Russia
    • Year and Date
      20060727-20060802
  • [Presentation] Lepton Flavor Violation tau and Leptonic B Decays at the B factories2006

    • Author(s)
      Y.Miyazaki
    • Organizer
      Conference of Intersection Particle and Nuclear Physics
    • Place of Presentation
      Puerto Rico, USA
    • Year and Date
      20060530-20060603
  • [Presentation] Time of Flight measurement with MCP-PMT, In the Proceedings of International Symposium on Detector Development for Particle2006

    • Author(s)
      K.Inami
    • Organizer
      Astroparticle and Synchrotron Radiation Experiments
    • Place of Presentation
      SLAC, USA
    • Year and Date
      20060403-20060406
  • [Presentation] Measurement of the 2π spectral function in the decay τ^-→π^-π^0ν_τ and the contribution to the muon anomalous magnetic moment a_μ(2π)

    • Author(s)
      H.Hayashii
    • Organizer
      TAU08
  • [Presentation] Precise measurement of BR(τ→K^* ^0(892)K-ρν_τ), M_K^*(892) and Γ_K^*(892) from Belle

    • Author(s)
      Y.Usuki
    • Organizer
      TAU09
  • [Presentation] Results on tau spectral function in the τ→ππ^0ν_τ decays

    • Author(s)
      H.Hayashii
    • Organizer
      PHIPSI08
  • [Presentation] Study of τ^-→K^*^0(892)K-ν_τ and τ^-→ηXν_τ decays at Belle

    • Author(s)
      Y.Usuki
    • Organizer
      PHIPSI09
  • [Presentation] Measurement of τ→φKν_τ branching fraction

    • Author(s)
      T.Ohshima
    • Organizer
      Tau06
  • [Remarks]

    • URL

      http://www.hepl.phys.nagoya-u.ac.jp/public/sousei/

URL: 

Published: 2012-01-26   Modified: 2016-04-21  

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