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Study on the origin of hadron mass at J-PARC

Research Project

Project/Area Number 15H05449
Research Category

Grant-in-Aid for Young Scientists (A)

Allocation TypeSingle-year Grants
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionHigh Energy Accelerator Research Organization

Principal Investigator

Aoki Kazuya  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 (70525328)

Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥21,710,000 (Direct Cost: ¥16,700,000、Indirect Cost: ¥5,010,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2016: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2015: ¥18,850,000 (Direct Cost: ¥14,500,000、Indirect Cost: ¥4,350,000)
Keywords原子核物理学実験 / GEM / HBD / チェレンコフ検出器 / 実験核物理
Outline of Final Research Achievements

To investigate the origin of hadron mass at J-PARC Hadron Experimental Facility, we plan to conduct an experiment named J-PARC E16 experiment. An excellent electron identification detector is required for the experiment. Therefore, we have build a set of Hadron Blind Detector (HBD) which can be used for the real experiment. Problems found during the production have been solved. The distortion of the aluminum-made HBD chamber caused by welding was suppressed using specially-designed jig. Local defects found in photocathode which could cause break down of the entire photocathode were successfully isolated with laser etching. We've developed an easy-to-do procedure for quality assurance of produced GEM foils. We've evaluated the performance of a prototype and published the results. Based on the achievements of this study, we've written Technical Design Report and submitted it to J-PARC Program Advisory Committee (PAC). PAC has recommended stage-2 approval for the experiment.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Annual Research Report
  • 2015 Annual Research Report
  • Research Products

    (16 results)

All 2018 2017 2016 2015 Other

All Int'l Joint Research (3 results) Journal Article (3 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 3 results,  Open Access: 2 results,  Acknowledgement Compliant: 2 results) Presentation (10 results) (of which Int'l Joint Research: 4 results,  Invited: 3 results)

  • [Int'l Joint Research] CERN(スイス)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] CERN(スイス)

    • Related Report
      2016 Annual Research Report
  • [Int'l Joint Research] CERN(スイス)

    • Related Report
      2015 Annual Research Report
  • [Journal Article] Measurement of the Vector Meson Spectral Modification in the Nuclear Medium at J-PARC2017

    • Author(s)
      Y.Komatsu et al. (J-PARC E16 Collaboration)
    • Journal Title

      JPS Conf. Proc

      Volume: 13 Pages: 020005-020005

    • DOI

      10.7566/jpscp.13.020005

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Development of a hadron blind detector using a finely segmented pad readout2016

    • Author(s)
      Koki Kanno, Kazuya Aoki, Yoki Aramaki, Hideto En'yo, Daisuke Kawama, Yusuke Komatsu, Shinichi Masumoto, Wataru Nakai, Yuki Obara, Kyoichiro Ozawa, Michiko Sekimoto, Takuya Shibukawa, Tomonori Takahashi, Yosuke Watanabe, Satoshi Yokkaichi
    • Journal Title

      Nuclear Instruments and Methods in Physics Research A

      Volume: 819 Pages: 20-24

    • DOI

      10.1016/j.nima.2016.02.063

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Measurement of Vector Meson Decays in Nuclei at J-PARC2015

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

      JPS Conference Proceedings

      Volume: 8 Pages: 022009-022009

    • DOI

      10.7566/jpscp.8.022009

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] E16 Experiment and Beyond2018

    • Author(s)
      K. Aoki
    • Organizer
      International workshop on the project for the extended hadron experimental facility of J-PARC
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] J-PARC E16実験におけるHadron Blind Detectorのためのトリガー回路の開発2018

    • Author(s)
      鈴木 一輝
    • Organizer
      日本物理学会 第73回 年次大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] J-PARC E16実験における質量分布測定精度のシミュレーションによる評価2017

    • Author(s)
      中井 亘
    • Organizer
      日本物理学会 第72回 年次大会
    • Place of Presentation
      大阪大学 豊中キャンパス(大阪府・吹田市)
    • Year and Date
      2017-03-17
    • Related Report
      2016 Annual Research Report
  • [Presentation] J-PARC E16実験におけるシミュレーションによるバッググラウンドの評価2017

    • Author(s)
      小原 裕貴
    • Organizer
      日本物理学会 第72回 年次大会
    • Place of Presentation
      大阪大学 豊中キャンパス(大阪府・吹田市)
    • Year and Date
      2017-03-17
    • Related Report
      2016 Annual Research Report
  • [Presentation] Experimental study of vector meson in nuclear medium at J-PARC (poster presentation)2017

    • Author(s)
      K. Aoki
    • Organizer
      Quark Matter 2017
    • Place of Presentation
      シカゴ(アメリカ)
    • Year and Date
      2017-02-06
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] J-PARC E16 実験における鉛ガラスカロリメータの性能評価22017

    • Author(s)
      足利沙希子
    • Organizer
      日本物理学会 2017年 秋季大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] J-PARC E16 実験における鉛ガラスカロリメータの性能評価2017

    • Author(s)
      足利 沙希子
    • Organizer
      日本物理学会 第72回 年次大会
    • Place of Presentation
      大阪大学 豊中キャンパス(大阪府・吹田市)
    • Related Report
      2016 Annual Research Report
  • [Presentation] Experimental study of in-medium spectral change of vector mesons at J-PARC2016

    • Author(s)
      K. Aoki
    • Organizer
      Meson In Nucleus 2016
    • Place of Presentation
      YITP, Kyoto, Japan
    • Year and Date
      2016-07-31
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] ガス増幅による光センサーの開発動向2016

    • Author(s)
      青木 和也
    • Organizer
      日本物理学会 第71回 年次大会 (シンポジウム 光センサー:単一光子検出の最前線)
    • Place of Presentation
      東北学院大学(宮城・仙台)
    • Year and Date
      2016-03-19
    • Related Report
      2015 Annual Research Report
    • Invited
  • [Presentation] Experimental study of vector mesons in nuclear medium at J-PARC2015

    • Author(s)
      Kazuya Aoki
    • Organizer
      New perspectives on Photons and Dileptons in Ultrarelativistic Heavy-Ion Collisions at RHIC and LHC
    • Place of Presentation
      トレント(イタリア)
    • Year and Date
      2015-11-30
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research / Invited

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Published: 2015-04-16   Modified: 2019-03-29  

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