Yoichi Asaoka

Profile Information

Affiliation: Associate Professor, Kamioka Observatory, Institute for Cosmic Ray Research, The University of Tokyo

Degree: Ph.D.(University of Tokyo)

Researcher number: 40345054
J-GLOBAL ID: 201301051247010518
researchmap Member ID: 7000005025

Research Areas

Natural sciences / Particle, nuclear, cosmic-ray, and astrophysics - experiment /

Research History

Sep, 2023 - Present

Associate Professor, Kamioka Observatory, Institute for Cosmic Ray Research, The University of Tokyo
May, 2020 - Aug, 2023

Project Associate Professor, Kamioka Observatory, Insitutute for Cosmic Ray Research,, The University of Tokyo
Apr, 2018 - Apr, 2020

Researcher (Associate Professor (without tenure)), Waseda Research Institute for Science and Engineering, Waseda University
Apr, 2013 - Mar, 2018

Junior Researcher, RISE, Waseda University
Apr, 2007 - Mar, 2013

Assistant Professor, Institute for Cosmic Ray Research, the University of Tokyo
Apr, 2002 - Mar, 2007

Research Associate, Institute for Cosmic Ray Research, the University of Tokyo
Apr, 1999 - Mar, 2002

JSPS Research Fellowships for Young Scientists (DC1), Department of Physics, Graduate School of Science, The University of Tokyo

Awards

Encouraging Prize of Cosmic-Ray Physics, Doctoral Thesis, ``Precise Measurements of Cosmic-Ray Antiproton Spectrum at Solar Maximum'', Cosmic Ray Committee (CRC)

ASAOKA, Yoichi

Papers

175

Direct Measurement of the Spectral Structure of Cosmic-Ray <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mtext>Electrons</mml:mtext><mml:mo>+</mml:mo><mml:mtext>Positrons</mml:mtext></mml:mrow></mml:math> in the TeV Region with CALET on the International Space Station

O. Adriani, Y. Akaike, K. Asano, Y. Asaoka, E. Berti, G. Bigongiari, W. R. Binns, M. Bongi, P. Brogi, A. Bruno …

Physical Review Letters, 131(19), Nov 9, 2023
Erratum: Charge-Sign Dependent Cosmic-Ray Modulation Observed with the Calorimetric Electron Telescope on the International Space Station [Phys. Rev. Lett. 130, 211001 (2023)

O. Adriani, Y. Akaike, K. Asano, Y. Asaoka, E. Berti, G. Bigongiari, W. R. Binns, M. Bongi, P. Brogi, A. Bruno …

Physical review letters, 131(10) 109902, Sep 8, 2023
Charge-Sign Dependent Cosmic-Ray Modulation Observed with the Calorimetric Electron Telescope on the International Space Station

O. Adriani, Y. Akaike, K. Asano, Y. Asaoka, E. Berti, G. Bigongiari, W. R. Binns, M. Bongi, P. Brogi, A. Bruno …

Physical Review Letters, 130(21), May 25, 2023
Direct Measurement of the Cosmic-Ray Helium Spectrum from 40 GeV to 250 TeV with the Calorimetric Electron Telescope on the International Space Station

O. Adriani, Y. Akaike, K. Asano, Y. Asaoka, E. Berti, G. Bigongiari, W. R. Binns, M. Bongi, P. Brogi, A. Bruno …

Physical Review Letters, 130(17), Apr 27, 2023
Cosmic-ray Boron Flux Measured from 8.4 GeV/n to 3.8 TeV/n with the Calorimetric Electron Telescope on the International Space Station

O. Adriani, Y. Akaike, K. Asano, Y. Asaoka, E. Berti, G. Bigongiari, W. R. Binns, M. Bongi, P. Brogi, A. Bruno …

Physical Review Letters, 129(25), Dec 16, 2022 Peer-reviewed
Observation of Spectral Structures in the Flux of Cosmic-Ray Protons from 50 GeV to 60 TeV with the Calorimetric Electron Telescope on the International Space Station

O. Adriani, Y. Akaike, K. Asano, Y. Asaoka, E. Berti, G. Bigongiari, W. R. Binns, M. Bongi, P. Brogi, A. Bruno …

Physical Review Letters, 129(10), Sep 1, 2022
CALET Search for Electromagnetic Counterparts of Gravitational Waves during the LIGO/Virgo O3 Run

O. Adriani, Y. Akaike, K. Asano, Y. Asaoka, E. Berti, G. Bigongiari, W. R. Binns, M. Bongi, P. Brogi, A. Bruno …

The Astrophysical Journal, 933(1) 85-85, Jul 1, 2022
CALET on the International Space Station: a precise measurement of the iron spectrum

O. Adriani, Yosui Akaike, K. Asano, Y. Asaoka, E. Berti, G. Bigongiari, W. R. Binns, M. Bongi, P. Brogi, A. Bruno …

Proceedings of Science, 398, May 12, 2022
Direct Measurement of the Nickel Spectrum in Cosmic Rays in the Energy Range from 8.8 GeV/ n to 240 GeV/ n with CALET on the International Space Station

O. Adriani, Y. Akaike, K. Asano, Y. Asaoka, E. Berti, G. Bigongiari, W. R. Binns, M. Bongi, P. Brogi, A. Bruno …

Physical Review Letters, 128(13), Apr, 2022
Construction status and prospects of the Hyper-Kamiokande project

Yoshitaka Itow, K. Abe, P. Adrich, H. Aihara, R. Akutsu, I. Alekseev, A. Ali, Y. I. Alj Hakim, F. Ameli, L. H.V. Anthony …

Proceedings of Science, 395, Mar 18, 2022
Prospects for neutrino astrophysics with Hyper-Kamiokande

Takatomi Yano, K. Abe, P. Adrich, H. Aihara, R. Akutsu, I. Alekseev, A. Ali, Y. I. Alj Hakim, F. Ameli, L. H.V. Anthony …

Proceedings of Science, 395, Mar 18, 2022
Monte Carlo Study of Electron and Positron Cosmic-Ray Propagation with the CALET Spectrum

Katsuaki Asano, Yoichi Asaoka, Yosui Akaike, Norita Kawanaka, Kazunori Kohri, Holger M. Motz, Toshio Terasawa

The Astrophysical Journal, 926(1) 5-5, Feb 1, 2022
CALET Observations during the First 5 Years on the ISS

P. S. Marrocchesi, O. Adriani, Y. Akaike, Y. Asaoka, E. Berti, G. Bigongiari, M. Bongi, P. Brogi, A. Bruno, N. Cannady …

Physics of Atomic Nuclei, 84(6) 985-994, Nov, 2021
Supernova Model Discrimination with Hyper-Kamiokande

K. Abe, P. Adrich, H. Aihara, R. Akutsu, I. Alekseev, A. Ali, F. Ameli, I. Anghel, L. H.V. Anthony, M. Antonova …

Astrophysical Journal, 916(1), Jul 20, 2021 Peer-reviewed
Measurement of the Iron Spectrum in Cosmic Rays from 10 GeV/n to 2.0 TeV/n with the Calorimetric Electron Telescope on the International Space Station

O. Adriani, Y. Akaike, K. Asano, Y. Asaoka, E. Berti, G. Bigongiari, W. R. Binns, M. Bongi, P. Brogi, A. Bruno …

Physical Review Letters, 126(24), Jun 14, 2021
Direct Measurement of the Cosmic-Ray Carbon and Oxygen Spectra from 10 GeV/n to 2.2 TeV/n with the Calorimetric Electron Telescope on the International Space Station

O. Adriani, Y. Akaike, K. Asano, Y. Asaoka, M. G. Bagliesi, E. Berti, G. Bigongiari, W. R. Binns, M. Bongi, P. Brogi …

Physical Review Letters, 125(25), Dec 18, 2020
Plasma waves causing relativistic electron precipitation events at International Space Station: Lessons from conjunction observations with Arase satellite

Ryuho Kataoka, Yoichi Asaoka, Shoji Torii, Satoshi Nakahira, Haruka Ueno, Shoko Miyake, Yoshizumi Miyoshi, Satoshi Kurita, Masafumi Shoji, Yoshiya Kasahara …

Journal of Geophysical Research: Space Physics, Aug 14, 2020 Peer-reviewed
Radiation Dose During Relativistic Electron Precipitation Events at the International Space Station

H. Ueno, S. Nakahira, R. Kataoka, Y. Asaoka, S. Torii, S. Ozawa, H. Matsumoto, A. Bruno, G.A. Nolfo, G. Collazuol …

Space Weather, 18(7), Jul, 2020
CALET on the International Space Station: the first three years of observations

P Brogi, O Adriani, Y Akaike, K Asano, Y Asaoka, M G Bagliesi, E Berti, G Bigongiari, W R Binns, S Bonechi …

Physica Scripta, 95(7) 074012-074012, Jul 1, 2020
Cosmic-Ray Signatures of Dark Matter from a Flavor Dependent Gauge Symmetry Model with Neutrino Mass Mechanism

Holger Motz, Hiroshi Okada, Yoichi Asaoka, Kazunori Kohri

Apr 9, 2020 Peer-reviewed

Misc.

Charge Dependent Solar Modulation of Cosmic-Ray Electrons and Protons Observed with CALET

高柚季乃, 加藤千尋, 宗像一起, 浅岡陽一, 鳥居祥二, 赤池陽水, 小林兼好, 片岡龍峰, 三宅晶子, 中平聡志 …

日本物理学会講演概要集(CD-ROM), 76(1), 2021
Solar Modulation of Cosmic-Ray Electrons and Protons Observed with CALET

高柚季乃, 加藤千尋, 宗像一起, 浅岡陽一, 鳥居祥二, 赤池陽水, 小林兼好, 片岡龍峰, 三宅晶子, 中平聡志 …

日本物理学会講演概要集(CD-ROM), 75(2), 2020
Solar Modulation of Galactic Cosmic-Ray Electrons Measured with CALET

S. Miyake, Y. Migita, Y. Asaoka, Y. Akaike, S. Torii, T. Terasawa, R. Kataoka, K. Sakai

Proceedings of Science (ICRC2019), 358 1126, Jul, 2019
MAXI/GSCを用いたCALET-CGBMのエネルギー応答関数の相互較正

松川昌平, 坂本貴紀, 吉田篤正, 芹野素子, 手塚晃, 山岡和貴, 中平聡志, 高橋一郎, 石崎渉, 浅野勝晃 …

日本天文学会年会講演予稿集, 2019, 2019
19aSC-7 Development of operation system for the CALET on-orbit data at WCOC

Shimomura Kenta, Torii Shoji, Kamio Taiju, Niita Tae, Rikiishi Kazuki, Asaoka Yoichi, Kasahara Katsuaki, Ozawa Shunsuke, Motz Holger, Tamura Tadahisa …

Meeting abstracts of the Physical Society of Japan, 69(2) 38-38, Aug 22, 2014
19aSC-6 Evaluation of the CALET on-orbit data by simulation of observed data

Rikiishi Kazuki, Torii Shoji, Kamio Taiju, Shimomura Kenta, Niita Tae, Asaoka Yoichi, Kasahara Katsuaki, Ozawa Shunsuke, Motz Holger, Tamura Tadahisa …

Meeting abstracts of the Physical Society of Japan, 69(2) 38-38, Aug 22, 2014
19aSC-5 Development of CALET Data Processing System at Waseda CALET Operations Center(WCOC)

Asaoka Yoichi, Torii Shoji, Ozawa Shunsuke, Kasahara Katsuaki, Kamio Taiju, Niita Tae, Motz Holger, Rikiishi Kazuki, Tamura Tadahisa, Ueno Shiro …

Meeting abstracts of the Physical Society of Japan, 69(2) 38-38, Aug 22, 2014
29pTS-3 Ashra-1 trigger sensor evaluation

Aoki T., Asaoka Y., Abiko C., Binder P., Golden J., Hamilton J., Kanokohata C., Kimura T., Kuze H., Shimizu H. …

Meeting abstracts of the Physical Society of Japan, 69(1) 132-132, Mar 5, 2014
28aTS-4 CALET Ground Operations System : Role and Status of WCOC

ASAOKA Yoichi, TORII Shoji, OZAWA Shunsuke, KASAHARA Katsuaki, KAMIO Taiju, SHIMOMURA Kenta, NIITA Tae, MOTZ Holger, RIKIISHI Kazuki, TAMURA Tadahisa …

Meeting abstracts of the Physical Society of Japan, 69(1) 123-123, Mar 5, 2014
28aTS-5 CALET Telemetory Data Simulation on ISS Orbit

SHIMOMURA Kenta, TORII Shoji, ASAOKA Yoichi, OZAWA Shunsuke, KASAHARA Katsuaki, KAMIO Yasuki, NIITA Tae, MOTZ Holger, RIKIISHI Kazuki, TAMURA Tadahisa …

Meeting abstracts of the Physical Society of Japan, 69(1) 123-123, Mar 5, 2014
29pTS-2 Ashra-I Trigger test observations for atmospheric fluorescence observation

Abiko C., Aoki T., Asaoka Y., Binder P., Goldman J., Hamilton J., Kanokohata C., Kimura T., shimizu H., Kuze H. …

Meeting abstracts of the Physical Society of Japan, 69(1) 131-131, Mar 5, 2014
First Observational Search for PeV-EeV Tau Neutrino from GRB

ASAOKA Yoichi, SASAKI Makoto

67(10) 710-714, Oct 5, 2012
Monitoring Very High Energy Particle and Optical Transient by Ashra

ASAOKA Yoichi, SASAKI Makoto

The astronomical herald, 102(2) 142-150, Jan 20, 2009
28pSD-5 Ashra Report 31 : Status Report of Mauna Loa Site

Okumura A., Aita Y., Aoki T., Asaoka Y., Jobashi M., Manago N., Masuda M., Noda K., Sasaki M., Kimura T. …

Meeting abstracts of the Physical Society of Japan, 61(1) 95-95, Mar 4, 2006
Measurements of atmospheric muon spectra at mountain altitude (vol 234, pg 541, 2002)

T Sanuki, M Fujikawa, K Abe, K Anraku, Y Asaoka, H Fuke, S Haino, M Imori, K Izumi, T Maeno …

PHYSICS LETTERS B, 581(3-4) 272-273, Feb, 2004
12aSA-6 Ashra 報告 8 : 高精度広角光学系の試作

会田勇一, 青木利文, 浅岡陽一, 新井康夫, 宇佐美博一, 小川了, 奥村暁, 倉田宗人, 櫻澤幸司, 佐々木真人 …

日本物理学会講演概要集, 58(2) 87-87, Aug 15, 2003
15aRC-9 明野64ch望遠鏡を用いた統合試験(超高エネルギー宇宙線,宇宙線)

眞子直弘, 青木利文, 浅岡陽一, 佐々木真人, 上橋雅志, 橋本勝巳, 本田健一, 守永光利

日本物理学会講演概要集, 57(2) 77-77, Aug 13, 2002
Trigger and DAQ System of Akeno 256ch prototype telescope

Aoki T., Asaoka Y., Arai Y., Sasaki M., Jobashi M., Manago M., Morinaga M.

Meeting abstracts of the Physical Society of Japan, 57(2) 77-77, Aug 13, 2002
BESS-Polar Experiment : Precise Measurement of Cosmic-ray Antiprotons by Long Duration Flights in Antarctica

FUKE Hideyuki, YAMAMOTO Akira, NOZAKI Mitsuaki, MITCHELL John, SEO Eun-Suk, ASAOKA Yoichi, ABE Koh, ANRAKU Kazuaki, IZUMI Kosuke, OMIYA Hidenori …

44 87-98, Mar, 2002

Presentations

The CALorimetric Electron Telescope (CALET) on theInternational Space Station (highlight talk)

Yoichi Asaoka, for, the CALET collaboration

36th International Cosmic Ray Conference (ICRC2019), Jul 29, 2019 Invited
「宇宙線直接観測と暗黒物質の間接探索」

浅岡陽一

ダークマターの懇談会2019, Jul, 2019 Invited
Direct Measurement of Cosmic-Ray Acceleration Limit in Supernovae

Yoichi Asaoka, for, the CALET collaboration

Exploration of Particle Physics and Cosmology with Neutrinos Workshop2019, Jun, 2019
「CALETによる陽子スペクトル観測」

浅岡陽一, 鳥居祥二, 高橋宏侍, 赤池陽水, 小澤俊介, 笠原克昌, Pier S. Marrocchesi, 他CALETチーム

日本物理学会，15aK105-2, Mar, 2019
Recent Results from the CALorimetric Electron Telescope (CALET) on the International Space Station

Yoichi Asaoka, for, the CALET collaboration

The 10th International Workshop on Very High Energy Particle Astronomy (VHEPA2019), Mar, 2019 Invited
Latest Results from the CALorimetric Electron Telescope (CALET) on the International Space Station

Yoichi Asaoka, for, the CALET collaboration

International symposium Recent progress in heliospheric physics by direct measurements of unexplored space plasmas, Feb, 2019
「CALETによる11GeV--4.8TeVの全電子スペクトル観測結果」

浅岡陽一, 鳥居祥二, 赤池陽水, 小澤俊介, 笠原克昌, 片桐靖博, 宮崎美有, 他CALETチーム, ポスタ

宇宙科学シンポジウム, Jan, 2019
Cosmic-ray Electron and Positron Spectrum from CALET Observations on ISS

Yoichi Asaoka, for, the CALET collaboration

Searching for the Sources of Galactic Cosmic Rays, Dec, 2018 Invited
「宇宙線電子望遠鏡 CALET：3年間の軌道上観測による最新の成果」

浅岡陽一, CALET共同研究者

高エネルギー宇宙物理学研究会2018, Sep, 2018
「CALETによる11GeV--4.8TeVの全電子スペクトル観測結果」

浅岡陽一, 鳥居祥二, 赤池陽水, 小澤俊介, 笠原克昌, 片桐靖博, 宮崎美有, 他CALETチーム

日本物理学会，15aS37-5, Sep, 2018
The Calorimetric Electron Telescope (CALET) on the International Space Station: Latest results from the first three-years on orbit

Yoichi Asaoka for, the CALET collaboration

TeV Particle Astrophysics 2018 (TeVPA 2018), Aug, 2018
Measurement of Cosmic-Ray Electron and Positron Spectrum from CALET on the ISS

Yoichi Asaoka, for, the CALET collaboration

COSPAR 2018, Jul, 2018
The CALorimetric Electron Telescope (CALET) on the International Space Station -- Results from the First Two Years of Operation --

Yoichi Asaoka, for, the CALET collaboration

26th Extended European Cosmic Ray Symposium and 35th Russian Cosmic Ray Conference (26th E+CRS / 35th RCRC), Jul, 2018 Invited
The CALorimetric Electron Telescope (CALET) on the International Space Station: Results from the First Two Years of Operation

Yoichi Asaoka, for, the CALET collaboration

20th International Symposium on Very High Energy Cosmic Ray Interactions (20th ISVHECRI), May, 2018 Invited
「CALETによる10GeV--3TeVの全電子スペクトル観測結果」

浅岡陽一, 鳥居祥二, 赤池陽水, 宮田諒平, 小澤俊介, 笠原克昌, 宮崎美有, 他CALETチーム

日本物理学会，25pK202-7, Mar, 2018
Search for GeV Gamma-Ray Counterparts of Gravitational Wave Events with CALET

Yoichi Asaoka, for, the CALET collaboration

Gravitational wave physics and astronomy: Genesis, Mar, 2018
「CALETによる2年間の宇宙線観測成果」

浅岡陽一, 他 CALET共同研究者

平成29年度ISEE研究集会 − 太陽圏宇宙線シンポジウム, Feb, 2018 Invited
「CALETによる10GeVから3TeVの全電子スペクトル観測」

浅岡陽一, 鳥居祥二, 赤池陽水, 小澤俊介, 笠原克昌, 宮崎美有, 宮田諒平, 他CALETチーム, ポスタ

宇宙科学シンポジウム, Jan, 2018
「飛翔体観測による高エネルギー宇宙線加速天体の研究〜CALET2年間の軌道上観測成果〜」

鳥居祥二, 浅岡陽一

東京大学宇宙線研究所共同利用発表会, Dec, 2017
CALET preliminary results on the cosmic ray observations for the first two-years on the ISS

Yoichi Asaoka, for, the CALET collaboration

The 2017 Cosmic Ray Anisotropy Workshop (CRA 2017), Oct, 2017 Invited

Professional Memberships

Research Projects

Relationship between stress perturbation and seismicity induced by excavation of a huge cavity

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2022 - Mar, 2026
Direct measurement of cosmic-ray acceleration limit in supernovae

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area), Japan Society for the Promotion of Science, Apr, 2019 - Mar, 2021
Indirect search for dark matter with fine structures in the cosmic-ray all-electron spectrum

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area), Japan Society for the Promotion of Science, Apr, 2019 - Mar, 2021
Observation of Transient Phenomena with CALET Based ona Development of Real-Time Data Analysis System

Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2017 - Mar, 2020

ASAOKA, Yoichi
Research on the Acceleration and Propagation of Cosmic Rays by High-precision Direct Observation

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (S), Japan Society for the Promotion of Science, May, 2014 - Mar, 2019

TORII SHOJI, ASAOKA Yoichi
100PeVニュートリノ点源の最高感度探索

科学研究費助成事業(若手研究(A)), 若手研究(A), 科学研究費助成事業(東京大学), Apr, 2011 - Mar, 2013

浅岡陽一
Determination of Star Formation Rate by Monitoring Supernovae

Grants-in-Aid for Scientific Research, Grant-in-Aid for Young Scientists (B), Japan Society for the Promotion of Science, Apr, 2007 - Mar, 2009

ASAOKA, Yoichi
Very high energy gamma-ray astronomical object map

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2007 - 2009

SASAKI Makoto, ASAOKA Yoichi, KIMURA Takayuki, OGAWA Satoru, MASUDA Masataka
Optical Observation and Discovery with All-sky Survey

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2007 - 2009

SASAKI Makoto, ASAOKA Yoichi, KUZE Hiroaki, SUGIYAMA Naoshi
Development of high-sensitivity large-aperture image-intensifier tube

Apr, 2004 - Mar, 2006

ASAOKA, Yoichi
Heuristic Observation with All-sky High Resolution Air-shower detector

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2004 - 2005

SASAKI Makoto, ASAOKA Yoichi, WATANABE Yasushi, SUGIYAMA Naoshi, KUZE Hiroaki, OGAWA Satoru

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