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Ozawa Akira

Faculty of Pure and Applied Sciences
Official title
Research fields
Particle/Nuclear/Cosmic ray/Astro physics
Research keywords
Radiation、Nuclear radii
Atomic mass
Research projects
蓄積リングでの質量測定によるハロー原子核の探索2018 -- 2020小沢 顕Japan Society for the Promotion of Science/Grant-in-Aid for Scientific Research(A)45,760,000Yen
新型飛行時間検出器によるNi同位体の質量測定2015 -- 2016小沢 顕Japan Society for the Promotion of Science/Grant-in-Aid for Scientific Research on Innovative Areas5,260,000Yen
不安定核電気双極子モーメント測定への挑戦2014 -- 2015小沢 顕Japan Society for the Promotion of Science/挑戦的萌芽研究3,640,000Yen
Radii for unstable nuclei1996 -- 2012/Nuclear and Atomic Science Research
mass measurements of unstable nuclei2004-03 -- (current)/
Measurements for magnetic moments for unstable nuclei2008-04 -- (current)/
Developments for cluster ion sources for rare RI ring2008-04 -- 2013-03/
Developments for fast kicker magnets for rare RI ring2010-04 -- 2013-03/
Developments of particle identification detectors for RI beams2010-04 -- (current)/
Academic background
-- 1887Osaka University Faculty of Science PhysicsGraduated
-- 1992Osaka University Graduate School, Division of Natural Science PhysicsCompleted
1992-06Ph. DOsaka University
Academic societies
2021-06 -- (current)日本量子医科学会
  • Isomeric-to-ground state ratio of 128Sn measured by Rare RI Ring
    Li H. F.; Naimi S.; Nagae D.; Abe Y.; Suzaki F.; Yamaguch...
    RIKEN Accelerator Progress Report 2019/53/p.48, 2020-09
  • Development of a Method to Deduce Point-proton Radii from Charge Changing Cross Sections
    Homma A.; Tanaka M.; Takechi M.; Ohtsubo T.; Fukuda M.; S...
    JPS Conference Proceedings/32/p.010032, 2020-07
  • Development of Experimental Devices for Precise Mass Measurements at the Rare-RI Ring Facility
    OMIKA Shunichiro; Ozawa Akira
    JPS Conf. Proc./35/p.011026, 2021-06
  • MCP with Delay-line Anode Used for Position Sensitive Detector at Rare RI Ring
    Li Hongfu; Ozawa Akira
    JPS Conf. Proc./35/p.011025, 2021-06
  • A Simple Readout Method for a Position-Sensitive Detector Using Plastic Scintillator Bars
    WAKAYAMA Kiyoshi; Ozawa Akira
    JPS Conf. Proc./35/p.011024, 2021-06
  • Measurements of total reaction cross sections for 17Ne using a solid hydrogen target
    Moriguchi Tetsuaki; Amano M.; Ozawa A.; Horiuchi W.; Hori...
    Journal of Physics: Conference Series (JPCS)/1643/p.012099, 2020-12
  • Development of Mirror-type MCP Detectors for Mass Measurements at the Rare-RI Ring
    GE Zhuang; Ozawa Akira
    JPS Conf. Proc./35/p.011023, 2021-06
  • Properties of a Thin YAP(Ce) Scintillation Counter for Heavy Ions
    ARAKAWA Hiroki; Ozawa Akira
    JPS Conf. Proc./35/p.011022, 2021-06
  • Basic Study on Delta Ray Detection for the Determination of In-Ring Revolution Time
    INOMATA Kumi; Ozawa Akira
    JPS Conf. Proc./35/p.011020, 2021-06
  • Performance of a Time-Of-Flight Detector and Demonstration of a Novel Position-Sensitive Detector for Mass Measurements with the Rare-RI Ring
    Suzuki Shinji; Ozawa Akira
    JPS Conf. Proc./35/p.011020, 2021-06
  • First Demonstration of Mass Measurements for Exotic Nuclei using Rare-RI Ring
    Nagae Daisuke; Ozawa Akira
    JPS Conf. Proc./35/p.011014, 2021-06
  • Past and future for Rare-RI ring
    Ozawa Akira
    JPS Conf. Proc./35/p.011011, 2021-06
  • Experimental Challenges of the First Mass Measurement Campaign at the Rare-RI Ring
    Naimi S.; H.F.Li; Abe Y.; Yamaguchi Y.; Nagae D.; Suzaki ...
    Journal of Physics: Conference Series (JPCS)/1643/p.012058, 2020-12
  • Mass measurements for the Tz = -2 f p-shell nuclei 40Ti, 44Cr, 46Mn, 48Fe, 50Co, and 52Ni
    C.Y.Fu; Ozawa Akira
    PHYSICAL REVIEW C/102/p.054311, 2020-11
  • In-gas-cell laser resonance ionization spectroscopy of 196,197,198Ir
    M.Mukai; Ozawa Akira
    PHYSICAL REVIEW C/102/p.054307, 2020-11
  • Development and operation of an electrostatic time-of-flight detector for the Rare RI storage Ring
    Nagae D.; Abe Y.; Okada S.; Omika S.; Wakayama K.; Hosoi ...
    Nuclear Instruments and Methods In Physics Research A/986/p.164713, 2021-01
  • Deexcitation gamma-ray transitions from the long-lived I-pi=13/2(+) metastable state in Os-195
    Watanabe Y. X.; Ahmed M.; Hirayama Y.; Mukai M.; Park J. ...
    PHYSICAL REVIEW C/101(4), 2020-04
  • Efficiency and timing performance of time-of-flight detector utilizing thin foils and crossed static electric and magnetic fields for mass measurements with Rare-RI Ring facility
    Suzuki Shinji; Ozawa Akira; Kamioka Daiki; Abe Yasushi; A...
  • Improving the resolving power of Isochronous Mass Spectrometry by employing an in-ring mechanical slit
    Liu J. H.; Xu X.; Zhang P.; Shuai P.; Yan X. L.; Zhang Y....
  • New test of modulated electron capture decay of hydrogen-like 142Pm ions: Precision measurement of purely exponential decay
    Ozawa Akira
    New test of modulated electron capture decay of hydrogen-like 142Pm ions: Precision measurement of purely exponential decay/797/p.134800, 2019-06
  • Masses of ground and isomeric states of 101In and configuration-dependent shell evolution in odd-A indium isotopes
    Xu X.; Liu J. H.; Yuan C. X.; Xing Y. M.; Wang M.; Zhang ...
    PHYSICAL REVIEW C/100, 2019-11
  • Mass Measurements with the Rare-RI Ring for the A = 130 r-process Abundance Peak
    S. Naimi H. F. Li; Abe Y.; Yamaguchi Y.; Nagae D.; Suzaki...
    RIKEN Accelerator Progress Report 2018/52/p.102, 2019-09
  • Preliminary analysis of the mass measurement experiment in the south-western region of 132Sn with Rare RI Ring
    Li H. F.; Naimi S.; Nagae D.; Abe Y.; Suzaki F.; Yamaguch...
    RIKEN Accelerator Progress Report 2018/52/p.52, 2019-09
  • Mass measurements of neutron-rich Ni isotopes in Rare RI Ring
    Ozawa A.; Abe Y.; Nagae D.; Naimi S.; Suzaki F.; Yamaguch...
    RIKEN Accelerator Progress Report 2018/52/p.5, 2019-09
  • Development of a position-sensitive detector using scintillating fibers
    Yamaguchi T.; Inada Y.; Hosoi S.; Kagesawa R.; Moriguchi ...
    University of Tsukuba Tandem Accelerator Complex (UTTAC) Annual report 2018/UTTAC-88/pp.8-9, 2019-09
  • Nuclear Physics Trends
    YuGang Ma; Akira Ozawa
    American Institute of Physics, vol. 865, 2007-01
  • Nuclear Physics Trends
    Akira Ozawa; Weiping Liu
    American Institute of Physics, vol. 1235, 2010-01
Conference, etc.
  • Present status of Rare-RI Ring (R3) and mass measurements
    Ozawa Akira
    RIBF Users Meeting 2020/2020-9-8--2020-9-10
  • Mass measurements for Ni-isotopes in Rare-RI Ring, RIBF
    Ozawa Akira
    China-Japan Collaboration Workshop on “Nuclear Mass and Life for Unraveling Mysteries of R-process”/2019-10-09--2019-10-12
  • Mass measurements in Rare-RI Ring in RIBF
    Ozawa Akira
    Workshop on “Physics at HIAF High-Energy Beam Lines”/2018-12-13--2018-12-15
  • 不安定核の質量測定
    小沢 顕
    第61回放射化学討論会 核化学分科会/2017-09-07--2017-09-07
  • Past and future of Rare-RI Ring
    Ozawa Akira
    The 10th International Conference on Nuclear Physics at Storage Rings (STORI’17)/2017-11-13--2017-11-18
  • Lamb-shift Polarized Ion Source at UTTAC
    Moriguchi Tetsuaki; Ozawa Akira; Yamato Yoshihiro; Suzuki...
    The 2017 International Workshop on Polarized Sources, Targets & Polarimetry(PSTP2017)/2017-10-16--2017-10-20
  • 偏極陽子ビームを用いた陽子吸収反応による不安定核の核偏極
    森口 哲朗; 小沢 顕; 大和良広; 鈴木伸司; 天野将道; 上岡大...
  • 固体水素標的を用いた不安定核のスキン厚導出手法の開発
    森口 哲朗; 小沢顕; 鈴木伸司; 天野将道; 上岡大起; 長江大輔...
  • Studies at the border between nuclear and atomic physics: Weak decays of highly charged ions
    Atanasov D.; Blaum K.; Bosch F.; Brandau C.; Buehler P.; ...
    30th International Conference on Photonic, Electronic, and Atomic Collisions (ICPEAC)/2017-07-26--2017-08-01
  • Rare-RI Ring in RIKEN RI Beam Factory
    Ozawa Akira
    China-Japan collaboration workshop on “Nuclear mass and life for unravelling mysteries of r-process”/2017-06-26--2017-06-28
  • Mass measurements with Rare-RI Ring at RIBF
    Ozawa Akira
    2015 SKLTP-BLTP Joint Workshop on Physics of Strong Interaction/2015-10-30--2015-11-02
  • Present status of Rare-RI Ring project at RIBF
    小沢 顕
  • Day-one experiment with R3
    Ozawa Akira
    OEDO-SHARAQ International Collaboration Workshop/2015-09-08--2015-09-09
  • 固体水素標的を用いた陽子ドリップライン近傍核生成法の開発
    小沢 顕
  • Mass measurement with Rare-RI Ring
    Ozawa Akira
    Workshop ‘Science and Next Generation Experiments at FRIB and RIBF’ in 4th Joint Meeting of the APS Division of Nuclear Physics and the Physical Society of Japan/2014-10-07--2014-10-11
  • 固体水素標的を用いた陽子ドリップライン近傍核生成法の開発
    小沢 顕
  • RIビーム飛行時間検出器の開発
    小沢 顕
  • 理研RIBFにおける稀少RIリングの展望
    小沢 顕
  • 筑波大学6 MVタンデム加速器による原子核実験の展望
    小沢 顕
    UTTAC研究会2014「筑波大学複合タンデム加速器施設の研究展望 ‐6 MVタンデム加速器による新たな研究の創出と展開」/2014-03-18--2014-03-18
  • Rare-RI Ring for Mass measurements at RIBF
    Ozawa Akira
    The 12th International Symposium on Origin of Matter and Evolution of Galaxies (OMEG12)/2013-11-18--2013-11-21
  • Rare-RI Ring project
    Ozawa Akira
    University of Tsukuba and Beihang University Collaboration meeting on Nuclear Physics/2013-11-11--2013-11-12
  • 二重魔法数エキゾチック核78Niの質量精密測定
    小沢 顕
  • Storage-ring mass spectrometry
    Ozawa Akira
  • Rare-RI Ring for mass measurements of exotic nuclei
    Ozawa Akira
    A workshop on Science with Rare Ion Beams SCRIBE-2012/2012-11-7--2012-11-9
  • Nuclear mass measurements for the r-process in Rare-RI Ring
    Ozawa Akira
    1st Visiting NAOJ Fellow Workshop, Element Genesis and Cosmic Chemical Evolution: r-process perspective/2012-10-17--2012-10-19
Intellectural property rights
  • イオンビーム遮断装置
    小澤 顕
2021-10 -- 2022-02Special Lecture on Science EducationUniversity of Tsukuba.
2021-04 -- 2021-08Special Lecture on Science EducationUniversity of Tsukuba.
2021-10 -- 2022-02Experimental Nuclear Physics Seminar DUniversity of Tsukuba.
2021-10 -- 2022-02Research Experiments on Nuclear Physics IVBUniversity of Tsukuba.
2021-04 -- 2021-08Collaborative Research in Physics VUniversity of Tsukuba.
2021-10 -- 2022-02Collaborative Research in Physics VUniversity of Tsukuba.
2021-04 -- 2021-08Practical Training in Physics IIUniversity of Tsukuba.
2021-10 -- 2022-02Practical Training in Physics IIUniversity of Tsukuba.
2021-04 -- 2021-08Experimental Nuclear Physics Seminar AUniversity of Tsukuba.
2021-10 -- 2022-02Research on History of the Universe IIIAUniversity of Tsukuba.
Other educational activities
2018-08 -- 2018-08平成30年度受験生のための筑波大学説明会筑波大学理工学群物理学類
2018-07 -- 2018-07和歌山県立向陽高校の体験研修筑波大学履行学群物理学類
2017-08 -- 2017-08平成29年度受験生のための筑波大学説明会筑波大学理工学群物理学類
2018-03 -- 2018-03平成29年度春の進学説明会筑波大学
2017-12 -- 2017-12筑波大学GFEST、特別実習(物理分野)筑波大学理工学群物理学類
2017-12 -- 2017-12茗渓学園SSH講演会茗渓学園中学校高等学校
2017-09 -- 2017-09土浦日本大学中等教育学校「学部学科説明会」での講義土浦日本大学中等教育学校
2017-08 -- 2017-08CuPAL放射線・加速器分析コースの講義筑波大学応用加速器部門
2017-06 -- 2017-06高校生向け模擬授業筑波大学理工学群物理学類
2017-03 -- 2017-03第6回茨城県高校生科学研究発表会の審査員茨城県
  • Present status of Rare-RI Ring and mass measurements for R-process
    Ozawa Akira
    RIBF 核物理セミナー/2012-11-27--2012-11-27
  • 稀少RIリングプロジェクト —Rプロセス解明に向けて—
    小沢 顕
  • 稀少RIリングプロジェクト ―Rプロセス解明に向けて―
    小澤 顕
  • Overview of Rare-RI Ring and mass measurements
    小澤 顕
    RIBF-ULIC-Symposium-009 ‘Physics of Rare-RI Ring’/2011-11-10
  • 重イオン用CDCC(HCTAK)による不安定核破砕片の運動量分布の解析
    小澤 顕
  • 原子核の存在限界と宇宙での合成:核力が作る、人類が作る、宇宙が作る原子核
    小澤 顕
  • HCTAKを使った計算の例
    小澤 顕
  • 重イオン用CDCCによる不安定核からの破砕片運動量分布の解析
    小澤 顕
    日本物理学会 第65回年次大会/2010-03-20
  • RIビームの質量測定とウラン元素合成過程の解明
    小澤 顕
    「高度制御量子ビーム応用研究創出事業 研究成果報告会」/2010-03-15
  • UTTACにおける不安定核研究と今後
    小澤 顕
  • Rare RI Ring Project in RIBF
    小澤 顕
  • Rare RI Ring in RIBF
    小澤 顕
  • Present status for rare RI ring project in RIBF
    小澤 顕
    Workshop on nuclear data and its application to nuclear astrophysics/2009-04-20
  • RIビームの粒子識別検出器の開発
    小澤 顕
  • UTTACでの不安定核物理
    小澤 顕
  • Rプロセスと稀少RIリングプロジェクト
    小澤 顕
  • UTTACにおける核物理研究と今後
    小澤 顕
  • Present status and strategy at RIBF
    小澤 顕
  • 23Alの反応断面積測定とフラグメントの運動量分布の測定
    小澤 顕
  • Reaction cross sections of unstable nuclei
    小澤 顕
    The sixth China-Japan Joint Nuclear Physics Symposium/2006-05-16
  • 18Cの反応断面積測定と17C,18Cからのフラグメントの運動量分布の測定
    小澤 顕
  • Mass measurements with Rare-isotope storage ring
    小澤 顕
    International workshop “Nuclear Physics with RIBF”/2006-03-13
  • Nuclear radius measurements at BigRIPS
    小澤 顕
    International workshop “Nuclear Physics with RIBF”/2006-03-13
  • アイソマー混入と反応断面積測定
    小澤 顕
  • Interaction cross section / mass measurement
    小澤 顕
    Workshop on nuclear physics collaboration between Germany and Japan/2005-12-16
Professional activities
2019-12 -- 2020-01Science Council of Japan科研費の審査委員
2020-12 -- 2021-01Science Council of Japan科研費の審査委員
2015-04 -- (current)理化学研究所仁科加速器センター客員研究員
2004-04 -- 2015-03理化学研究所仁科加速器センター客員主管研究員
2010-04 -- 2012-03大阪大学大阪大学核物理研究センターB-PAC委員
2011-06 -- 2011-06文部科学省福島第一原子力発電所事故に伴い放出された放射線物質の分布状況等に関する緊急調査
University Management
2014-07 -- (current)物理学域評価委員会評価委員
2013-04 -- (current)研究基盤総合センター応用加速器部門共用運営委員会運営委員
2020-04 -- (current)研究基盤総合センター運営委員会運営委員
2019-09 -- (current)宇宙史研究センター運営委員会運営委員
2020-04 -- (current)アイソトープ環境動態研究センター運営委員会運営委員
2017-04 -- (current)物理学域教育研究科担当教員
2019-04 -- (current)物理学域 大グループ長(原子核実験)
2016-04 -- 2018-03ダイバシティ、アクセシビリティ委員会ダイバシティ、アクセシビリティ担当教員
2016-04 -- 2018-03研究基盤総合センター運営委員会運営委員
2016-04 -- 2019-03物理学域カリキュラム委員会委員

(Last updated: 2021-08-17)