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MEG Experiment - From Lepton Flavor Violation toward Grand Unified Theory

Research Project

Project/Area Number 22000004
Research Category

Grant-in-Aid for Specially Promoted Research

Allocation TypeSingle-year Grants
Review Section Science and Engineering
Mathematics and Physics
Research InstitutionThe University of Tokyo

Principal Investigator

MORI Toshinori  東京大学, 素粒子物理国際研究センター, 教授 (90220011)

Co-Investigator(Kenkyū-buntansha) OOTANI WATARU  東京大学, 素粒子物理国際研究センター, 准教授 (30311335)
MIHARA SATOSHI  大学共同利用機関法人高エネルギー加速器研究機構, 素粒子原子核研究所, 教授 (80292837)
Co-Investigator(Renkei-kenkyūsha) IWAMOTO Toshiyuki  東京大学, 素粒子物理国際研究センター, 助教 (20376700)
SAWADA RYU  東京大学, 素粒子物理国際研究センター, 特任助教 (00541947)
UCHIYAMA Yusuke  東京大学, 素粒子物理国際研究センター, 特任研究員 (90580241)
NISHIGUCHI Hajime  大学共同利用機関法人高エネルギー加速器研究機構, 素粒子原子核研究所, 助教 (10534810)
HARUYAMA Tomiyoshi  大学共同利用機関法人高エネルギー加速器研究機構, 素粒子原子核研究所, 名誉教授 (90181031)
Project Period (FY) 2010-04-21 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥539,760,000 (Direct Cost: ¥415,200,000、Indirect Cost: ¥124,560,000)
Fiscal Year 2014: ¥89,960,000 (Direct Cost: ¥69,200,000、Indirect Cost: ¥20,760,000)
Fiscal Year 2013: ¥117,000,000 (Direct Cost: ¥90,000,000、Indirect Cost: ¥27,000,000)
Fiscal Year 2012: ¥117,260,000 (Direct Cost: ¥90,200,000、Indirect Cost: ¥27,060,000)
Fiscal Year 2011: ¥112,840,000 (Direct Cost: ¥86,800,000、Indirect Cost: ¥26,040,000)
Fiscal Year 2010: ¥102,700,000 (Direct Cost: ¥79,000,000、Indirect Cost: ¥23,700,000)
Keywordsミュー粒子 / レプトンフレーバー / 大統一理論 / 超対称性 / 液体キセノン / 加速器 / PSI / ニュートリノ質量 / 国際研究者交流 / スイス : イタリア : 米国 : ロシア / 素粒子実験 / 国際研究者交流(スイス、イタリア、米国、ロシア) / ニュートリノ / 国際研究者交流(スイス、イタリア、米国、ロシア) / 国際協力
Outline of Final Research Achievements

In the international collaborative experiment MEG, wehave achieved the world’s best ex-perimental sensitivity of O(10^<-13>), in branching ratio, to muon's decay μ→eγ, which, ifdiscovered, would be definitive evidence ofNew Physics Principles such as Grand UnifiedTheories. The decay wasnot founddespite many theoretical predictions and the “StandardScenarios” of New Physics have turned out to be wrong. In parallel we designed and pro-posed an upgraded experiment MEG II with an ultimate sensitivityof O(10^<-14>), anotherorder of magnitude better than MEG, with improved detectors. MEG II reached the stageof realization with the approvalby Paul Scherrer Institute(PSI).

Assessment Rating
Verification Result (Rating)

A

Assessment Rating
Result (Rating)

A: Progress in the research is steadily towards the initial goal. Expected research results are expected.

Report

(9 results)
  • 2015 Research Progress Assessment (Verification Result) ( PDF )
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Annual Research Report   Abstract(Research Progress Assessment) ( PDF )   Research Progress Assessment (Result) ( PDF )
  • 2012 Annual Research Report
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (132 results)

All 2014 2013 2012 2011 2010 Other

All Journal Article (31 results) (of which Peer Reviewed: 16 results) Presentation (91 results) (of which Invited: 19 results) Book (1 results) Remarks (9 results)

  • [Journal Article] Design and test of an extremely high resolution Timing Counter for the MEG II experiment : preliminary results2014

    • Author(s)
      M De Gerone, F. Gatti, W. Ootani, Y. Uchiyama, M. Nishimura, S. Shirabe, P. W. Cattaneo, M. Rossela
    • Journal Title

      Journal of Instrumentation

      Volume: 9-C02035 Pages: 1-10

    • Related Report
      2013 Annual Research Report
  • [Journal Article] Liquid Xenon Calorimeter for MEG2014

    • Author(s)
      Ryu Sawada
    • Journal Title

      Proceedings of CHEP 2013

      Pages: 90-94

    • Related Report
      2013 Annual Research Report
  • [Journal Article] New constraint on the existence of the mu+ -> e+ gamma decay2013

    • Author(s)
      J. Adam, T. Iwamoto, S. Mihara, T. Mori, H. Nishiguchi, W. Ootani, R. Sawada, Y. Uchiyama, et al
    • Journal Title

      Phys. Rev. Lett. 110, 201801

      Volume: 110 Issue: 20 Pages: 1-5

    • DOI

      10.1103/physrevlett.110.201801

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The MEG detector for mu+ -> e+ gamma decay search2013

    • Author(s)
      J. Adam, T. Iwamoto, S. Mihara, T. Mori, H. Nishiguchi, W. Ootani, R. Sawada, Y. Uchiyama, et al
    • Journal Title

      Eur. Phys. J. C.

      Volume: 73-2365 Issue: 4 Pages: 1-59

    • DOI

      10.1140/epjc/s10052-013-2365-2

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Upgrade of the liquid xenon Gamma-ray detector in the MEG experiment2013

    • Author(s)
      Daisuke Kaneko
    • Journal Title

      NIM A

      Volume: 732 Pages: 457-462

    • DOI

      10.1016/j.nima.2013.06.008

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Development of Pixelated Scintillation Detector for Highly Precise Time Measurement in MEG Upgrade2013

    • Author(s)
      Wataru Ootani
    • Journal Title

      NIM A

      Volume: 732 Pages: 146-150

    • DOI

      10.1016/j.nima.2013.07.043

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Up-to-date results and upgrade plans of the MEG expriment2013

    • Author(s)
      Hajime Nishiguchi, Giovanni Signorelli
    • Journal Title

      PoS (ICHEP2012)

      Volume: 185 Pages: 1-6

    • Related Report
      2013 Annual Research Report
  • [Journal Article] MEG Upgrade Proposal2013

    • Author(s)
      T. Iwamoto, T. Mori, W. Ootani, R. Sawada, Y. Uchiyama, T. Haruyama, S. Mihara, H. Nishiguchi, A.M. Baldini, et al.
    • Journal Title

      arXiv:1301.7225

      Volume: - Pages: 1-131

    • Related Report
      2012 Annual Research Report
  • [Journal Article] Development of PPD Sensitive to Deep UV Scintillation Photons of Liquid Xenon2013

    • Author(s)
      Wataru Ootani, X. Bai, T. Chiba, Y. Fujii, T. Iwamoto, D. Kaneko, T. Mori, H. Natori, R. Sawada, Y. Uchiyama, S. Mihara, H. Nishiguchi, A. Stoykov
    • Journal Title

      PoS (PhotoDet2012) 035

      Volume: - Pages: 1-6

    • Related Report
      2012 Annual Research Report
  • [Journal Article] Development of PPDs to detect scintillation light from liquid xenon2013

    • Author(s)
      T. Iwamoto, X. Bai, T. Chiba, Y. Fujii, T. Haruyama, D. Kaneko, A. Maki, S. Mihara, T. Mori, H. Natori, H. Nishiguchi, W. Ootani, R. Sawada, Y. Uchiyama
    • Journal Title

      2012 IEEE NSS Conference Record N22-7

      Volume: - Pages: 1589-1594

    • Related Report
      2012 Annual Research Report
  • [Journal Article] A review of lepton flavor violation experiment2013

    • Author(s)
      R. Sawada
    • Journal Title

      Nuclear Physics B (Proc. Suppl.)

      Volume: 235-236 Pages: 423-428

    • DOI

      10.1016/j.nuclphysbps.2013.04.041

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Liquid Xenon Gamma-Ray Calorimeter for the MEG Experiment2012

    • Author(s)
      T. Iwamoto
    • Journal Title

      Physics Procedia

      Volume: 37 Pages: 325-332

    • DOI

      10.1016/j.phpro.2012.02.380

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] MEG, mu+ --> e+ gamma search at Paul Scherrer Institute2012

    • Author(s)
      S. Mihara
    • Journal Title

      AIP Conf. Proc.

      Volume: 1467 Pages: 62-68

    • DOI

      10.1063/1.4742080

    • Related Report
      2012 Annual Research Report
  • [Journal Article] New Limit on Lepton Flavour Violation Searches from the MEG Experiment2012

    • Author(s)
      E. Baracchini
    • Journal Title

      Nucl. Phys. Proc. Suppl.

      Volume: 225-227 Pages: 223-227

    • DOI

      10.1016/j.nuclphysbps.2012.02.046

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Development and Commissioning of the Timing Counter for the MEG Experiment2012

    • Author(s)
      M. De Gerone, S. Dussoni, K. Fratini, F. Gatti, R. Valle, G. Boca, P. W. Cattaneo, R. Nard, M. Rossella, L. Galli, M. Grassi, D. Nicolo, Y. Uchiyama, D. Zanello
    • Journal Title

      IEEE Transactions on Nuclear Science

      Volume: 59-2 Issue: 2 Pages: 379-388

    • DOI

      10.1109/tns.2012.2187311

    • Related Report
      2012 Annual Research Report
  • [Journal Article] Search for the decay mu -> e gamma in the MEG experiment2012

    • Author(s)
      Y. Nishimura
    • Journal Title

      Journal of Physics, Conference Series

      Volume: 347 Pages: 012028-012028

    • DOI

      10.1088/1742-6596/347/1/012028

    • Related Report
      2011 Annual Research Report
  • [Journal Article] Calibration and monitoring of the MEG experiment by a proton beam from a Cockcroft-Walton accelerator2011

    • Author(s)
      J. Adam et al.
    • Journal Title

      Nuclear Instruments and Methods in Physics Research Section A

      Volume: 641 Issue: 1 Pages: 19-32

    • DOI

      10.1016/j.nima.2011.03.048

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] New Limit on the Lepton-Flavor-Violating Decay mu+ -> e+ gamma2011

    • Author(s)
      J. Adam et al.
    • Journal Title

      Physical Review Letters

      Volume: 107 Issue: 17

    • DOI

      10.1103/physrevlett.107.171801

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The MEG timing counter calibration and performance2011

    • Author(s)
      M. De Gerone et al.
    • Journal Title

      Nuclear Instruments and Methods in Physics Research Section A

      Volume: 638 Issue: 1 Pages: 41-46

    • DOI

      10.1016/j.nima.2011.02.044

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The architecture of MEG simulation and analysis software2011

    • Author(s)
      P. W. Cattaneo et al.
    • Journal Title

      The European Physical Journal Plus

      Volume: 126:60 Issue: 7 Pages: 1-12

    • DOI

      10.1140/epjp/i2011-11060-6

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] MEG liquid xenon detector2011

    • Author(s)
      S. Mihara
    • Journal Title

      Journal of Physics: Conference Series

      Volume: 308 Pages: 012009-012009

    • DOI

      10.1088/1742-6596/308/1/012009

    • Related Report
      2011 Annual Research Report
  • [Journal Article] The Timing Counter of the MEG Experiment: Calibration and Performance2011

    • Author(s)
      P.W. Cattaneo et al.
    • Journal Title

      Nuclear Physics Proceedings Supplement

      Volume: 215 Issue: 1 Pages: 281-283

    • DOI

      10.1016/j.nuclphysbps.2011.04.031

    • Related Report
      2011 Annual Research Report
  • [Journal Article] Search for lepton flavor violating muon decay: Latest result from MEG2011

    • Author(s)
      Y. Uchiyama et al.
    • Journal Title

      Proceedings of Science

      Volume: HQL 2010

    • Related Report
      2011 Annual Research Report
  • [Journal Article] MEG Experiment - New Results and Prospects2011

    • Author(s)
      H. Nishiguchi
    • Journal Title

      AIP Conference Proceedings

      Volume: 1382 Pages: 239-241

    • DOI

      10.1063/1.3644322

    • Related Report
      2011 Annual Research Report
  • [Journal Article] Search for mu -> e gamma decay MEG latest result2011

    • Author(s)
      Y. Uchiyama
    • Journal Title

      Proceedings of the Conference 'New Trends in High-Energy Physics'

      Volume: 1 Pages: 237-244

    • Related Report
      2011 Annual Research Report
  • [Journal Article] MEG実験の現状と展望2011

    • Author(s)
      大谷航
    • Journal Title

      素粒子論研究

      Volume: 119巻3号 Pages: 1-5

    • Related Report
      2011 Annual Research Report
  • [Journal Article] Performance of the Liquid Xenon Detector for the MEG experiment2011

    • Author(s)
      Y.Nishimura, H.Natori
    • Journal Title

      Nuclear Instruments and Methods A

      Volume: 628 Pages: 376-380

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Search of charged Lepton Flavor Violation decay mu->egamma : the MEG experiment2011

    • Author(s)
      H.Natori
    • Journal Title

      Nuclear Physics B (Proc.Supp.)

      Volume: 210-211 Pages: 241-244

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Analysis of the MEG experiment to search for mu+->e+ gamma decays2010

    • Author(s)
      R.Sawada
    • Journal Title

      Proceedings of Science (ICHEP 2010)

      Pages: 263-266

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Performance of the MEG detector to search for mu+->e+ gamma decays at PSI2010

    • Author(s)
      T.Iwamoto
    • Journal Title

      Proceedings of Science (ICHEP 2010)

      Pages: 489-492

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] MEG実験2009年ランにおけるμ+->e+γ探索2010

    • Author(s)
      澤田龍、岩本敏幸
    • Journal Title

      高エネルギーニュース

      Volume: 29巻3号 Pages: 133-141

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Presentation] MEG II実験液体キセノン検出器のための大型MPPCの性能試験12014

    • Author(s)
      家城佳
    • Organizer
      日本物理学会2014年秋季大会
    • Place of Presentation
      佐賀大学(佐賀県・佐賀市)
    • Year and Date
      2014-09-18
    • Related Report
      2014 Annual Research Report
  • [Presentation] MEG II実験液体キセノン検出器のための大型MPPCの性能試験22014

    • Author(s)
      小川真治
    • Organizer
      日本物理学会 2014年秋季大会
    • Place of Presentation
      佐賀大学(佐賀県・佐賀市)
    • Year and Date
      2014-09-18
    • Related Report
      2014 Annual Research Report
  • [Presentation] MEG実験最終結果へ向けてのキャリブレーション及びデータ解析の現状2014

    • Author(s)
      澤田龍
    • Organizer
      日本物理学会 第69回年次大会
    • Place of Presentation
      東海大学(神奈川県)
    • Year and Date
      2014-03-30
    • Related Report
      2013 Annual Research Report
  • [Presentation] MEG-II実験のためのSiPMを用いた高時間分解能ポジトロンタイミングカウンターの性能最適化についての研究2014

    • Author(s)
      西村美紀
    • Organizer
      日本物理学会 第69回年次大会
    • Place of Presentation
      東海大学(神奈川県)
    • Year and Date
      2014-03-28
    • Related Report
      2013 Annual Research Report
  • [Presentation] MEG-II実験に向けた背景事象ガンマ線同定用SiPM読み出しシンチレーション検出器の研究開発2014

    • Author(s)
      藤井祐樹
    • Organizer
      日本物理学会 第69回年次大会
    • Place of Presentation
      東海大学(神奈川県)
    • Year and Date
      2014-03-28
    • Related Report
      2013 Annual Research Report
  • [Presentation] MEG-II実験に向けたMPPC読み出し液体キセノン検出器の研究開発2014

    • Author(s)
      金子大輔
    • Organizer
      日本物理学会 第69回年次大会
    • Place of Presentation
      東海大学(神奈川県)
    • Year and Date
      2014-03-28
    • Related Report
      2013 Annual Research Report
  • [Presentation] Development of Radiative Decay Counter to Reduce the Background in the MEG Experiment2013

    • Author(s)
      Yuki Fujii
    • Organizer
      2013 IEEE NSS
    • Place of Presentation
      Seoul, Korea
    • Year and Date
      2013-10-31
    • Related Report
      2013 Annual Research Report
  • [Presentation] Performance of UV-Sensitive MPPC for Liquid Xenon Detector in MEG Exepriment2013

    • Author(s)
      Daisuke Kaneko
    • Organizer
      2013 IEEE NSS
    • Place of Presentation
      Seoul, Korea
    • Year and Date
      2013-10-30
    • Related Report
      2013 Annual Research Report
  • [Presentation] High Precision Measurement of Positron Time in MEG Upgrade2013

    • Author(s)
      Yusuke Uchiyama
    • Organizer
      2013 IEEE NSS
    • Place of Presentation
      Seoul, Korea
    • Year and Date
      2013-10-29
    • Related Report
      2013 Annual Research Report
  • [Presentation] Liquid Xenon Scintillation Detector with UV-SiPM Readout for MEG Upgrade2013

    • Author(s)
      Wataru Ootani
    • Organizer
      13th Topical Seminar on Innovative Particle and Radiation Detectors (IPRD13)
    • Place of Presentation
      Siena, Italy
    • Year and Date
      2013-10-08
    • Related Report
      2013 Annual Research Report
  • [Presentation] SiPM読み出しによる高時間分解能シンチレーションカウンターの開発2013

    • Author(s)
      内山雄祐
    • Organizer
      日本物理学会 2013年秋季大会
    • Place of Presentation
      高知大学(高知県)
    • Year and Date
      2013-09-20
    • Related Report
      2013 Annual Research Report
  • [Presentation] SiPMを用いたシンチレーションカウンターによる細分化ポジトロン時間測定器のビーム試験結果2013

    • Author(s)
      西村美紀
    • Organizer
      日本物理学会 2013年秋季大会
    • Place of Presentation
      高知大学(高知県)
    • Year and Date
      2013-09-20
    • Related Report
      2013 Annual Research Report
  • [Presentation] MEG実験アップグレードに向けた背景事象起源の陽電子同定に用いるSiPM読み出しシンチレーション検出器開発2013

    • Author(s)
      藤井祐樹
    • Organizer
      日本物理学会 2013年秋季大会
    • Place of Presentation
      高知大学(高知県)
    • Year and Date
      2013-09-20
    • Related Report
      2013 Annual Research Report
  • [Presentation] 液体キセノンのシンチレーション光に感度のある大型MPPCの研究開発2013

    • Author(s)
      金子大輔
    • Organizer
      日本物理学会 2013年秋季大会
    • Place of Presentation
      高知大学(高知県)
    • Year and Date
      2013-09-20
    • Related Report
      2013 Annual Research Report
  • [Presentation] A pixelated Scintillator Positron Timing Counter with SiPM readout for the MEG Experiment Upgrade2013

    • Author(s)
      Miki Nishimura
    • Organizer
      PSI 2013
    • Place of Presentation
      PSI, Switzerland
    • Year and Date
      2013-09-10
    • Related Report
      2013 Annual Research Report
  • [Presentation] Development of UV-sensitive MPPC for the upgrade of liquid xenon detector in MEG experiment2013

    • Author(s)
      Daisuke Kaneko
    • Organizer
      PSI 2013
    • Place of Presentation
      PSI, Switzerland
    • Year and Date
      2013-09-10
    • Related Report
      2013 Annual Research Report
  • [Presentation] The latest result of the MEG experiment2013

    • Author(s)
      Toshiyuki Iwamoto
    • Organizer
      SUSY 2013
    • Place of Presentation
      ICTP, Trieste, Italy
    • Year and Date
      2013-08-30
    • Related Report
      2013 Annual Research Report
  • [Presentation] The MEG experiment : past, present and future2013

    • Author(s)
      Elisabetta Baracchini
    • Organizer
      Inaugural conference : Windows on the universe
    • Place of Presentation
      Quy Nhon, Vietnam
    • Year and Date
      2013-08-14
    • Related Report
      2013 Annual Research Report
  • [Presentation] Upgrade of MEG experiment2013

    • Author(s)
      Yusuke Uchiyama
    • Organizer
      EPS HEP 2013
    • Place of Presentation
      Stockholm, Sweden
    • Year and Date
      2013-07-19
    • Related Report
      2013 Annual Research Report
  • [Presentation] MEG experiment2013

    • Author(s)
      Xue Bai
    • Organizer
      Third Workshop on Flavor Symmetries, FLASY13
    • Place of Presentation
      Nigata, Japan
    • Year and Date
      2013-07-04
    • Related Report
      2013 Annual Research Report
  • [Presentation] Charged Lepton Physics2013

    • Author(s)
      Satoshi Mihara
    • Organizer
      XXVI International Symposium on Lepton Photon Interactions at High Energies
    • Place of Presentation
      San Francisco, California, USA
    • Year and Date
      2013-06-28
    • Related Report
      2013 Annual Research Report
    • Invited
  • [Presentation] MEG : Latest Results and Upgrades2013

    • Author(s)
      Hajime Nishiguchi
    • Organizer
      Blois-2013:25the Reconstres de Blois on "Particle Physics and Cosmilogy"
    • Place of Presentation
      Chateau Royal de Blois, France
    • Year and Date
      2013-05-29
    • Related Report
      2013 Annual Research Report
  • [Presentation] Measurement of inner Bremsstrahlung in polarized muon decay with MEG2013

    • Author(s)
      Yusuke Uchiyama
    • Organizer
      1st Conference on Charged Lepton Flavour Violation
    • Place of Presentation
      Lecce, Italy
    • Year and Date
      2013-05-07
    • Related Report
      2013 Annual Research Report
  • [Presentation] MEG : Status and Upgrades2013

    • Author(s)
      Ryu Sawada
    • Organizer
      1st Conference on Charged Lepton Flavour Violation
    • Place of Presentation
      Lecce, Italy
    • Year and Date
      2013-05-07
    • Related Report
      2013 Annual Research Report
    • Invited
  • [Presentation] MEG実験 最新の物理解析結果2013

    • Author(s)
      藤井祐樹
    • Organizer
      日本物理学会 第68回年次大会
    • Place of Presentation
      広島大学(広島県)
    • Year and Date
      2013-03-29
    • Related Report
      2012 Annual Research Report
  • [Presentation] MEG実験液体キセノン検出器のアップグレードに向けたマルチピクセル光センサーの開発2013

    • Author(s)
      金子大輔
    • Organizer
      日本物理学会 第68回年次大会
    • Place of Presentation
      広島大学(広島県)
    • Year and Date
      2013-03-28
    • Related Report
      2012 Annual Research Report
  • [Presentation] MEG実験アップグレードに向けたSiPM出力による新しい時間測定器の研究2013

    • Author(s)
      西村美紀
    • Organizer
      日本物理学会 第68回年次大会
    • Place of Presentation
      広島大学(広島県)
    • Year and Date
      2013-03-26
    • Related Report
      2012 Annual Research Report
  • [Presentation] 荷電レプトンフレーバー非保存探索によるLHC時代の素粒子物理シンポジウム:DCミューオンビームによるcLFV探索2013

    • Author(s)
      内山雄祐
    • Organizer
      日本物理学会 第68回年次大会
    • Place of Presentation
      広島大学(広島県)
    • Year and Date
      2013-03-26
    • Related Report
      2012 Annual Research Report
    • Invited
  • [Presentation] New results from the MEG experiment at PSI2013

    • Author(s)
      Wataru Ootani
    • Organizer
      XLVIIIth Rencontres de Moriond, Electroweak Interactions and Unified Theories
    • Place of Presentation
      La Thuile, Aosta Valley, Italy
    • Year and Date
      2013-03-02 – 2013-03-09
    • Related Report
      2012 Annual Research Report
    • Invited
  • [Presentation] A New Result of mu -> e gamma Search by MEG2013

    • Author(s)
      Toshinori Mori
    • Organizer
      Les Rencontres de Physique de la Valee d'Aoste
    • Place of Presentation
      La Thuile, Aosta Valley, Italy
    • Year and Date
      2013-02-24 – 2013-03-02
    • Related Report
      2012 Annual Research Report
    • Invited
  • [Presentation] Upgrade of Liquid Xenon Gamma-Ray Detector in MEG Experiment2013

    • Author(s)
      Daisuke Kaneko
    • Organizer
      13th Vienna Conference on Instrumentation
    • Place of Presentation
      Vienna University of Technology, Austria
    • Year and Date
      2013-02-11 – 2013-02-15
    • Related Report
      2012 Annual Research Report
  • [Presentation] Development of Pixelated Scintillation Detector for Highly Precise Timing Measurement in MEG Upgrade2013

    • Author(s)
      Wataru Ootani
    • Organizer
      13th Vienna Conference on Instrumentation
    • Place of Presentation
      Vienna University of Technology, Austria
    • Year and Date
      2013-02-11 – 2013-02-15
    • Related Report
      2012 Annual Research Report
  • [Presentation] MEG実験アップグレード検出器における光センサーの役割2012

    • Author(s)
      大谷航
    • Organizer
      第4回次世代光センサーに関するワークショップ・EASIROC研究会
    • Place of Presentation
      大阪大学(大阪府)
    • Year and Date
      2012-12-25 – 2012-12-26
    • Related Report
      2012 Annual Research Report
    • Invited
  • [Presentation] Development of PPDs to detect scintillation light from liquid xenon2012

    • Author(s)
      Toshiyuki Iwamoto
    • Organizer
      2012 IEEE Nuclear Science Symposium and Medical Imaging Conference
    • Place of Presentation
      Anaheim, California, USA
    • Year and Date
      2012-10-31
    • Related Report
      2012 Annual Research Report
  • [Presentation] New Positron Spectrometer for MEG Experiment Upgrade2012

    • Author(s)
      Miki Nishimura
    • Organizer
      The 12th International Workshop on Tau Lepton Physics
    • Place of Presentation
      Nagoya, Japan
    • Year and Date
      2012-09-18
    • Related Report
      2012 Annual Research Report
  • [Presentation] Upgrade of LXe gamma-ray detector in MEG experiment2012

    • Author(s)
      Daisuke Kaneko
    • Organizer
      The 12th International Workshop on Tau Lepton Physics
    • Place of Presentation
      Nagoya, Japan
    • Year and Date
      2012-09-18
    • Related Report
      2012 Annual Research Report
  • [Presentation] Search for mu LFV from MEG2012

    • Author(s)
      Hiroaki Natori
    • Organizer
      The 12th International Workshop on Tau Lepton Physics
    • Place of Presentation
      Nagoya, Japan
    • Year and Date
      2012-09-17
    • Related Report
      2012 Annual Research Report
  • [Presentation] MEG将来計画2012

    • Author(s)
      岩本敏幸
    • Organizer
      日本物理学会 秋季大会
    • Place of Presentation
      京都産業大学(京都府)
    • Year and Date
      2012-09-14
    • Related Report
      2012 Annual Research Report
    • Invited
  • [Presentation] MEG実験アップグレードに向けたMPPC読み出しによる新しいタイミングカウンターの研究開発2012

    • Author(s)
      西村美紀
    • Organizer
      日本物理学会 秋季大会
    • Place of Presentation
      京都産業大学(京都府)
    • Year and Date
      2012-09-14
    • Related Report
      2012 Annual Research Report
  • [Presentation] MEG実験によるμ→eγ崩壊探索の最新状況2012

    • Author(s)
      内山雄祐
    • Organizer
      日本物理学会 秋季大会
    • Place of Presentation
      京都産業大学(京都府)
    • Year and Date
      2012-09-13
    • Related Report
      2012 Annual Research Report
  • [Presentation] MEG実験2009、2010年取得データを用いたμ→eφ、φ→γγ事象の探索2012

    • Author(s)
      名取寛顕
    • Organizer
      日本物理学会 秋季大会
    • Place of Presentation
      京都産業大学(京都府)
    • Year and Date
      2012-09-13
    • Related Report
      2012 Annual Research Report
  • [Presentation] MEG実験アップグレードに向けたRadial TPCの研究2012

    • Author(s)
      藤井祐樹
    • Organizer
      日本物理学会 秋季大会
    • Place of Presentation
      京都産業大学(京都府)
    • Year and Date
      2012-09-13
    • Related Report
      2012 Annual Research Report
  • [Presentation] MEG実験液体キセノンカロリメータにおけるエネルギー分解能の追求2012

    • Author(s)
      金子大輔
    • Organizer
      日本物理学会 秋季大会
    • Place of Presentation
      京都産業大学(京都府)
    • Year and Date
      2012-09-12
    • Related Report
      2012 Annual Research Report
  • [Presentation] MEG実験用ガンマ線検出器アップグレードと液体キセノン用PPDの開発2012

    • Author(s)
      澤田龍
    • Organizer
      日本物理学会 秋季大会
    • Place of Presentation
      京都産業大学(京都府)
    • Year and Date
      2012-09-11
    • Related Report
      2012 Annual Research Report
  • [Presentation] MEG: Status and Prospects2012

    • Author(s)
      Elisabetta Baracchini
    • Organizer
      International Workshop on Neutrino Factories, Super Beams and Beta Beams
    • Place of Presentation
      Williamsburg, VA, USA
    • Year and Date
      2012-07-24
    • Related Report
      2012 Annual Research Report
    • Invited
  • [Presentation] Up-to-date results and upgrade plans of the MEG experiment2012

    • Author(s)
      Hajime Nishiguchi
    • Organizer
      36th International Conference on High Energy Physics
    • Place of Presentation
      Melbourne, Australia
    • Year and Date
      2012-07-06
    • Related Report
      2012 Annual Research Report
  • [Presentation] Development of PPD Sensitive to Deep UV Scintillation Photons of Liquid Xenon2012

    • Author(s)
      Wataru Ootani
    • Organizer
      International Workshop on New Photon-Detectors
    • Place of Presentation
      Orsay, France
    • Year and Date
      2012-06-15
    • Related Report
      2012 Annual Research Report
  • [Presentation] A review of lepton flavor violation experiments2012

    • Author(s)
      Ryu Sawada
    • Organizer
      The XXV International Conference on Neutrino Physics and Astrophysics
    • Place of Presentation
      Kyoto, Japan
    • Year and Date
      2012-06-09
    • Related Report
      2012 Annual Research Report
  • [Presentation] A Search for the Decay mu+ -> e+gamma Using a High-Resolution Liquid Xenon Gamma-Ray Detector2012

    • Author(s)
      西村康宏
    • Organizer
      日本物理学会第67回年次大会
    • Place of Presentation
      関西学院大学(兵庫県)
    • Related Report
      2011 Annual Research Report
    • Invited
  • [Presentation] MEG実験におけるミュー粒子放射崩壊の測定と利用2012

    • Author(s)
      内山雄祐
    • Organizer
      日本物理学会第67回年次大会
    • Place of Presentation
      関西学院大学(兵庫県)
    • Related Report
      2011 Annual Research Report
  • [Presentation] MEG実験2009、2010年データを用いた軽いスカラー粒子を媒介とするmu -> e phi, phi -> gamma gamma崩壊事象の探索2012

    • Author(s)
      名取寛顕
    • Organizer
      日本物理学会第67回年次大会
    • Place of Presentation
      関西学院大学(兵庫県)
    • Related Report
      2011 Annual Research Report
  • [Presentation] MEG実験陽電子スペクトロメータ性能改善のスタディ2012

    • Author(s)
      藤井祐樹
    • Organizer
      日本物理学会第67回年次大会
    • Place of Presentation
      関西学院大学(兵庫県)
    • Related Report
      2011 Annual Research Report
  • [Presentation] 新型半導体光検出器PPDの液体キセノン中での基礎特性2012

    • Author(s)
      岩本敏幸
    • Organizer
      日本物理学会第67回年次大会
    • Place of Presentation
      関西学院大学(兵庫県)
    • Related Report
      2011 Annual Research Report
  • [Presentation] MEG実験run2011液体キセノン検出器の性能評価2012

    • Author(s)
      金子大輔
    • Organizer
      日本物理学会第67回年次大会
    • Place of Presentation
      関西学院大学(兵庫県)
    • Related Report
      2011 Annual Research Report
  • [Presentation] MEG実験LXeガンマ線検出器のアップグレードの為の研究2012

    • Author(s)
      澤田龍
    • Organizer
      日本物理学会第67回年次大会
    • Place of Presentation
      関西学院大学(兵庫県)
    • Related Report
      2011 Annual Research Report
  • [Presentation] Updated result of the mu+->e+gamma search in the MEG experiment2011

    • Author(s)
      T.Mori
    • Organizer
      Rencontres de Moriond EW 2011
    • Place of Presentation
      La Thuile, Italy(招待講演)
    • Year and Date
      2011-03-19
    • Related Report
      2010 Annual Research Report
  • [Presentation] MEG実験の現状と展望2011

    • Author(s)
      大谷航
    • Organizer
      基研研究会素粒子物理学の進展2011
    • Place of Presentation
      京都大学基礎物理学研究所
    • Year and Date
      2011-03-10
    • Related Report
      2010 Annual Research Report
  • [Presentation] Analysis of the First MEG Physics Data to Search for the Decay2011

    • Author(s)
      内山雄祐
    • Organizer
      日本物理学会2011年秋季大会
    • Place of Presentation
      弘前大学(青森県)
    • Related Report
      2011 Annual Research Report
    • Invited
  • [Presentation] MEG実験陽電子スペクトロメータの性能と今後の展望2011

    • Author(s)
      藤井祐樹
    • Organizer
      日本物理学会2011年秋季大会
    • Place of Presentation
      弘前大学(青森県)
    • Related Report
      2011 Annual Research Report
  • [Presentation] MEG実験液体キセノンガンマ線検出器の性能改善2011

    • Author(s)
      白雪
    • Organizer
      日本物理学会2011年秋季大会
    • Place of Presentation
      弘前大学(青森県)
    • Related Report
      2011 Annual Research Report
  • [Presentation] MEG実験run2011液体キセノン検出器の較正とモニター2011

    • Author(s)
      金子大輔
    • Organizer
      日本物理学会2011年秋季大会
    • Place of Presentation
      弘前大学(青森県)
    • Related Report
      2011 Annual Research Report
  • [Presentation] MEG実験における軽いスカラー粒子を媒介とした2つのガンマ線を伴う崩壊事象の探索2011

    • Author(s)
      名取寛顕
    • Organizer
      日本物理学会2011年秋季大会
    • Place of Presentation
      弘前大学(青森県)
    • Related Report
      2011 Annual Research Report
  • [Presentation] 荷電レプトンフレーバーの破れの探索2011

    • Author(s)
      大谷航
    • Organizer
      日本物理学会2011年秋季大会
    • Place of Presentation
      弘前大学(青森県)
    • Related Report
      2011 Annual Research Report
    • Invited
  • [Presentation] Performance of the MEG detector2011

    • Author(s)
      岩本敏幸
    • Organizer
      日本物理学会2011年秋季大会
    • Place of Presentation
      弘前大学(青森県)
    • Related Report
      2011 Annual Research Report
    • Invited
  • [Presentation] Recent result from the MEG experiment2011

    • Author(s)
      澤田龍
    • Organizer
      日本物理学会2011年秋季大会
    • Place of Presentation
      弘前大学(青森県)
    • Related Report
      2011 Annual Research Report
    • Invited
  • [Presentation] MEG実験2009年データを用いたμ^+→e^+γ探索結果2011

    • Author(s)
      Y.Nishimura
    • Organizer
      日本物理学会第66回年次大会
    • Place of Presentation
      新潟大学(大会自体は中止)
    • Related Report
      2010 Annual Research Report
  • [Presentation] MEG実験COBRAスペクトロメータを用いたμ→e^+e^+e^-稀崩壊探索の検証2011

    • Author(s)
      Y.Fujii
    • Organizer
      日本物理学会第66回年次大会
    • Place of Presentation
      新潟大学(大会自体は中止)
    • Related Report
      2010 Annual Research Report
  • [Presentation] MEG実験における2γ事象を用いた軽いスカラー粒子の探索2011

    • Author(s)
      H.Natori
    • Organizer
      日本物理学会第66回年次大会
    • Place of Presentation
      新潟大学(大会自体は中止)
    • Related Report
      2010 Annual Research Report
  • [Presentation] 液体希ガスシンチレーション光検出のためのMPPCについて2010

    • Author(s)
      大谷航
    • Organizer
      第3回次世代光センサーに関するワークショップ
    • Place of Presentation
      名古屋大学
    • Year and Date
      2010-12-18
    • Related Report
      2010 Annual Research Report
  • [Presentation] MEG Simulation and Analysis Software2010

    • Author(s)
      R.Sawada
    • Organizer
      IEEE Nuclear Science Symposium
    • Place of Presentation
      Tennessee, USA
    • Year and Date
      2010-11-03
    • Related Report
      2010 Annual Research Report
  • [Presentation] MEG experiment-New Result and Prospects2010

    • Author(s)
      H.Nishiguchi
    • Organizer
      12^<th> International Workshop on Neutrino Factories, Superbeams and Beta Beams
    • Place of Presentation
      Mumbai, India(招待講演)
    • Year and Date
      2010-10-21
    • Related Report
      2010 Annual Research Report
  • [Presentation] Search for lepton flavor violating muon decay : Latest result from MEG2010

    • Author(s)
      Y.Uchiyama
    • Organizer
      The Xth international conference on Heavy Quarks & Leptons
    • Place of Presentation
      Rome, Italy(招待講演)
    • Year and Date
      2010-10-14
    • Related Report
      2010 Annual Research Report
  • [Presentation] MEG実験μ^+→e^+γ探索の最新結果2010

    • Author(s)
      Y.Nishimura
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      九州工業大学
    • Year and Date
      2010-09-13
    • Related Report
      2010 Annual Research Report
  • [Presentation] MEG実験2010現状と展望2010

    • Author(s)
      Y.Uchiyama
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      九州工業大学
    • Year and Date
      2010-09-13
    • Related Report
      2010 Annual Research Report
  • [Presentation] MEG実験μ^+→e^+γγ探索2010

    • Author(s)
      H.Natori
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      九州工業大学
    • Year and Date
      2010-09-13
    • Related Report
      2010 Annual Research Report
  • [Presentation] He/C2H6を用いたドリフトチェンバーの高頻度照射下でのエイジング2010

    • Author(s)
      H.Nishiguchi
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      九州工業大学
    • Year and Date
      2010-09-13
    • Related Report
      2010 Annual Research Report
  • [Presentation] MEG実験陽電子スペクトロメータの性能評価2010

    • Author(s)
      Y.Fujii
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      九州工業大学
    • Year and Date
      2010-09-13
    • Related Report
      2010 Annual Research Report
  • [Presentation] MEG実験液体キセノン検出器の性能2010

    • Author(s)
      X.Bai
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      九州工業大学
    • Year and Date
      2010-09-13
    • Related Report
      2010 Annual Research Report
  • [Presentation] MEG実験の最新結果2010

    • Author(s)
      T.Iwamoto
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      九州工業大学(招待講演)
    • Year and Date
      2010-09-11
    • Related Report
      2010 Annual Research Report
  • [Presentation] MEG実験背景ガンマ線の研究2010

    • Author(s)
      R.Sawada
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      九州工業大学
    • Year and Date
      2010-09-11
    • Related Report
      2010 Annual Research Report
  • [Presentation] New result from the MEG experiment2010

    • Author(s)
      S.Mihara
    • Organizer
      18^<th> International Conference on Supersymmetry and Unification of Fundamental Interactions
    • Place of Presentation
      Bonn, Germany(招待講演)
    • Year and Date
      2010-08-24
    • Related Report
      2010 Annual Research Report
  • [Presentation] Lepton Flavor Violation search with mu->egamma decay : the MEG experiment2010

    • Author(s)
      H.Natori
    • Organizer
      The IX International Conference on Hyperons, Charm and Beauty Hadrons (BEACH 2010)
    • Place of Presentation
      Perugia, Italy(招待講演)
    • Year and Date
      2010-06-25
    • Related Report
      2010 Annual Research Report
  • [Presentation] Latest Result from the MEG Experiment

    • Author(s)
      H. Nishiguchi
    • Organizer
      Planck2011 - From the Planck Scale to the Electro Weak Scale
    • Place of Presentation
      Lisbon, Portugal
    • Related Report
      2011 Annual Research Report
  • [Presentation] Liquid xenon gamma-ray calorimeter for the MEG experiment

    • Author(s)
      T. Iwamoto
    • Organizer
      2nd International Conference on Technology and Instrumentation in Particle Physics (TIPP2011)
    • Place of Presentation
      Chicago, USA
    • Related Report
      2011 Annual Research Report
  • [Presentation] Search for the decay mu -> e gamma in the MEG experiment

    • Author(s)
      Y. Nishimura
    • Organizer
      2nd International Conference on Particle Physics in Memoriam Engin Arik and Her Colleagues
    • Place of Presentation
      Istanbul, Turkey
    • Related Report
      2011 Annual Research Report
  • [Presentation] Charged lepton flavour and dipole moments

    • Author(s)
      T. Mori
    • Organizer
      International Europhysics Conference on High-Energy Physics (EPS-HEP2011)
    • Place of Presentation
      Grenoble, France
    • Related Report
      2011 Annual Research Report
    • Invited
  • [Presentation] Prospects for CLFV Experiments

    • Author(s)
      S. Mihara
    • Organizer
      XIII-th Workshop on Neutrino Factories, Superbeams and Beta-beams (NuFact11)
    • Place of Presentation
      Geneva, Switzerland
    • Related Report
      2011 Annual Research Report
    • Invited
  • [Presentation] Search for mu -> e gamma decay MEG latest result

    • Author(s)
      Y. Uchiyama
    • Organizer
      New trends in high-energy physics
    • Place of Presentation
      Alushta, Crimea, Ukraine
    • Related Report
      2011 Annual Research Report
    • Invited
  • [Presentation] Results from MEG

    • Author(s)
      W. Ootani
    • Organizer
      Rencontres de Moriond ElectroWeak 2012
    • Place of Presentation
      La Thuile, Italy
    • Related Report
      2011 Annual Research Report
    • Invited
  • [Presentation] MEG, mu to e gamma search at Paul Scherrer Institute

    • Author(s)
      S. Mihara
    • Organizer
      International Workshop on Grand Unified Theories
    • Place of Presentation
      京都大学(京都府)
    • Related Report
      2011 Annual Research Report
    • Invited
  • [Presentation] Latest results from the MEG experiment

    • Author(s)
      T. Iwamoto
    • Organizer
      American Physical Society April Meeting 2012
    • Place of Presentation
      Atlanta, USA
    • Related Report
      2011 Annual Research Report
    • Invited
  • [Book] 素粒子物理学ハンドブック2010

    • Author(s)
      相原博昭、森俊則, 他
    • Total Pages
      688
    • Publisher
      朝倉書店
    • Related Report
      2010 Annual Research Report
  • [Remarks] MEG国際共同実験日本グループ

    • URL

      http://www.icepp.s.u-tokyo.ac.jp/meg/

    • Related Report
      2014 Annual Research Report
  • [Remarks] MEG Home Page

    • URL

      http://meg.icepp.s.u-tokyo.ac.jp

    • Related Report
      2014 Annual Research Report 2012 Annual Research Report
  • [Remarks] 総研大ミューオンLFVグループ

    • URL

      http://kek.soken.ac.jp//pn/experiment/ex_research/research07/

    • Related Report
      2014 Annual Research Report
  • [Remarks] MEG国際共同実験 日本グループ

    • URL

      http://www.icepp.s.u-tokyo.ac.jp/meg/

    • Related Report
      2013 Annual Research Report
  • [Remarks] MEG Home Page

    • URL

      http://meg.icepp.s.u-tokyo.ac.jp

    • Related Report
      2013 Annual Research Report
  • [Remarks] MEG国際共同実験 日本グループ

    • URL

      http://www.icepp.s.u-tokyo.ac.jp/meg/

    • Related Report
      2012 Annual Research Report
  • [Remarks] MEG国際共同実験 日本グループ

    • URL

      http://www.icepp.s.u-tokyo.ac.jp/meg/

    • Related Report
      2011 Annual Research Report
  • [Remarks] MEG Home Page

    • URL

      http://meg.icepp.s.u-tokyo.ac.jp

    • Related Report
      2011 Annual Research Report
  • [Remarks]

    • URL

      http://www.icepp.s.u-tokyo.ac.jp/meg

    • Related Report
      2010 Annual Research Report

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Published: 2010-08-23   Modified: 2022-11-04  

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