Takashi Hachiya

Profile Information

Affiliation: Associate professor, Faculty, Division of Natural Sciences, Nara Women's University
: RIKEN

Degree: Doctor of Science(Hiroshima University)

J-GLOBAL ID: 201901020990341059
researchmap Member ID: 7000029713

Research Interests

Quark-Gluon-Plasma, QGP, High Energy Heavy Ion Collisions, Heavy Quarks, Charms, Bottoms, Energy loss, Suppression, Azimuthal anisotropy, Experimental physics with international collaboration, PHENIX, sPHENIX, ALICE, BELLE, BELLE-II, RHIC, LHC, SuperKEKB

Research Areas

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

Research History

Apr, 2023 - Present

Associate Professor, Nara Women's University
May, 2017 - Mar, 2023

Assistant Professor, Faculty Division of Natural Sciences, Nara Women’s University
May, 2017 - Mar, 2022

Research Fellow, RIKEN BNL Research Center
Apr, 2015 - Apr, 2017

Post Doctoral Research Fellow, RIKEN BNL Research Center
May, 2010 - Mar, 2015

Associate Researcher, RIKEN BNL Research Center

Education

Apr, 2001 - Mar, 2009

Physical Science, Graduate School of Science, Hiroshima University
Apr, 1999 - Mar, 2001

Physical Science, Graduate School of Science, Hiroshima University
Apr, 1995 - Mar, 1999

Department of Physics, Faculty of Science, Hiroshima University

Committee Memberships

Apr, 2020 - Present

Convener of PHENIX analysis group
Apr, 2017 - Present

chair of very long data-cable R&D group for sPHENIX-INTT detector
Convener of PHENIX VTX analysis group

Awards

Mar, 2014

研究奨励賞, 理化学研究所

蜂谷崇

Papers

184

Charm- and bottom-quark production in Au+Au collisions at sqrt{sNN} =200 GeV

N. J. Abdulameer, U. Acharya, A. Adare, C. Aidala, N. N. Ajitanand, Y. Akiba, M. Alfred, N. Apadula, H. Asano, B. Azmoun …

Physical Review C, 109(4), Apr 10, 2024 Peer-reviewed
Transverse single-spin asymmetry of charged hadrons at forward and backward rapidity in polarized p + p, p + Al, and p + Au collisions at √sNN = 200 GeV

N. J. Abdulameer, U. Acharya, C. Aidala, Y. Akiba, M. Alfred, V. Andrieux, N. Apadula, H. Asano, B. Azmoun, V. Babintsev …

Physical Review D, 108(7), Oct 31, 2023 Peer-reviewed
Transverse single-spin asymmetry of midrapidity π 0 and η mesons in p + Au and p + Al collisions at √ sNN = 200 GeV

N. J. Abdulameer, U. Acharya, C. Aidala, Y. Akiba, M. Alfred, V. Andrieux, N. Apadula, H. Asano, B. Azmoun, V. Babintsev …

Physical Review D, 107(11), Jun 9, 2023 Peer-reviewed
Improving constraints on gluon spin-momentum correlations in transversely polarized protons via midrapidity open-heavy-flavor electrons in p ↑+p collisions at s =200 GeV

Abdulameer, N.J., Acharya, U., Aidala, C., Akiba, Y., Alfred, M., Andrieux, V., Apadula, N., Asano, H., Azmoun, B., Babintsev, V. …

Physical Review D, 107(5), Mar 29, 2023 Peer-reviewed
Low- p_T direct-photon production in Au + Au collisions at \sqrt{s_NN} = 39 and 62.4 GeV

N. J. Abdulameer, U. Acharya, A. Adare, C. Aidala, N. N. Ajitanand, Y. Akiba, R. Akimoto, H. Al-Ta'ani, J. Alexander, M. Alfred …

Physical Review C, 107(2), Feb 24, 2023
Measurements of second-harmonic Fourier coefficients from azimuthal anisotropies in p+p, p+Au, d+Au, and He 3 +Au collisions at sNN =200 GeV

Abdulameer, N.J., Acharya, U., Adare, A., Aidala, C., Ajitan, , N.N., Akiba, Y., Alfred, M., Andrieux, V., Aoki, K. …

Physical Review C, 107(2), Feb 9, 2023
Measurement of \phi -meson production in Cu + Au collisions at \sqrt{s_NN}= 200 GeV and U + U collisions at \sqrt{s_NN} = 193 GeV

N. J. Abdulameer, U. Acharya, C. Aidala, N. N. Ajitanand, Y. Akiba, R. Akimoto, J. Alexander, M. Alfred, M. Alibordi, K. Aoki …

Physical Review C, 107(1), Jan 13, 2023
Charm and Bottom Quark Energy Loss and Flow Measurements in Au$+$Au Collisions by the PHENIX Experiment

T. Hachiya

Acta Physica Polonica B Proceedings Supplement, 16(1) 1-1, 2023
The J-PARC heavy ion project

Kyoichiro Ozawa, Kazuya Aoki, Shin-ichi Esumi, Taku Gunji, Takashi Hachiya, Hiroyuki Harada, Yudai Ichikawa, Masakiyo Kitazawa, Yasuo Miake, Yuhei Morino …

EPJ Web of Conferences, 271 11004-11004, Nov 9, 2022
φ meson production in p+Al, p+Au, d+Au, and He 3 +Au collisions at sNN =200 GeV

Acharya, U., Adare, A., Aidala, C., Ajitan, , N.N., Akiba, Y., Alfred, M., Andrieux, V., Apadula, N., Asano, H. …

Physical Review C, 106(1), Jul 26, 2022
Measurement of ψ(2S) nuclear modification at backward and forward rapidity in p+p, p+Al, and p+Au collisions at sNN =200 GeV

Acharya, U.A., Aidala, C., Akiba, Y., Alfred, M., Andrieux, V., Apadula, N., Asano, H., Azmoun, B., Babintsev, V., B …

Physical Review C, 105(6), Jun 29, 2022
Systematic study of nuclear effects in p + Al, p + Au, d + Au and ^3He + Au collisions at \sqrt{s_NN} = 200 GeV using π^0 production

U. A. Acharya, A. Adare, C. Aidala, N. N. Ajitanand, Y. Akiba, H. Al-Bataineh, J. Alexander, M. Alfred, V. Andrieux, A. Angerami …

Physical Review C, 105(6), Jun 6, 2022
Transverse single spin asymmetries of forward neutrons in p+p , p+Al , and p+Au collisions at \sqrt{s_{NN } }=200 GeV as a function of transverse and longitudinal momenta

U. A. Acharya, C. Aidala, Y. Akiba, M. Alfred, V. Andrieux, N. Apadula, H. Asano, B. Azmoun, V. Babintsev, N. S. Bandara …

Physical Review D, 105(3), Feb 11, 2022
Transverse-single-spin asymmetries of charged pions at midrapidity in transversely polarized p + p collisions at \sqrt{s} = 200 GeV

U. A. Acharya, C. Aidala, Y. Akiba, M. Alfred, V. Andrieux, N. Apadula, H. Asano, B. Azmoun, V. Babintsev, N. S. Bandara …

Physical Review D, 105(3), Feb 9, 2022
Kinematic dependence of azimuthal anisotropies in p+Au, d+Au, and He3+Au at \sqrt{s_{NN } } = 200GeV

U. A. Acharya, A. Adare, C. Aidala, N. N. Ajitanand, Y. Akiba, M. Alfred, V. Andrieux, K. Aoki, N. Apadula, H. Asano …

Physical Review C, 105(2), Feb 3, 2022
Probing Gluon Spin-Momentum Correlations in Transversely Polarized Protons through Midrapidity Isolated Direct Photons in p↑ + p Collisions at \sqrt{s} = 200 GeV

U. A. Acharya, C. Aidala, Y. Akiba, M. Alfred, V. Andrieux, N. Apadula, H. Asano, B. Azmoun, V. Babintsev, N. S. Bandara …

Physical Review Letters, 127(16), Oct 12, 2021
Transverse single-spin asymmetries of midrapidity π0 and η mesons in polarized p+p collisions at s=200 GeV

U. A. Acharya, C. Aidala, Y. Akiba, M. Alfred, V. Andrieux, N. Apadula, H. Asano, B. Azmoun, V. Babintsev, N. S. Bandara …

Physical Review D, 103(5), Mar 22, 2021 Peer-reviewed
Transverse momentum dependent forward neutron single spin asymmetries in transversely polarized p+p collisions at s=200 GeV

U. A. Acharya, C. Aidala, Y. Akiba, M. Alfred, V. Andrieux, N. Apadula, H. Asano, B. Azmoun, V. Babintsev, N. S. Bandara …

Physical Review D, 103(3), Feb 26, 2021 Peer-reviewed
Design and performance of a silicon–tungsten calorimeter prototype module and the associated readout

T. Awes, C.L. Britton, T. Chujo, T. Cormier, M.N. Ericson, N.B. Ezell, D. Fehlker, S.S. Frank, Y. Fukuda, T. Gunji …

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 988 164796-164796, Feb, 2021 Peer-reviewed
J-PARC-HI Collaboration

J. K. Ahn, Y. Akamatsu, M. Asakawa, S. Ashikaga, O. Busch, E. Chishiro, M. Chiu, T. Chujo, P. Cirkovic, T. Csörgő …

Nuclear Physics A, 1005, Jan, 2021

Misc.

Correlations of $μμ$, $eμ$, and $ee$ pairs in $p$+$p$ collisions at $\sqrt{s}=200$ GeV and implications for $c\bar{c}$ and $b\bar{b}$ production mechanisms

C. Aidala, Y. Akiba, M. Alfred, V. Andrieux, N. Apadula, H. Asano, B. Azmoun, V. Babintsev, A. Bagoly, N. S. Bandara …

May 11, 2018
Nuclear Dependence of the Transverse-Single-Spin Asymmetry for Forward Neutron Production in Polarized p+A Collisions at sNN =200 GeV

C. Aidala, Y. Akiba, M. Alfred, V. Andrieux, K. Aoki, N. Apadula, H. Asano, C. Ayuso, B. Azmoun, V. Babintsev …

Physical Review Letters, 120(2) 022001, Jan 8, 2018 Peer-reviewed
Recent Results On Heavy Flavor Production At RHIC-PHENIX

Hachiya Takashi, T. Hachiya, for the, PHENIX collaboration

Proceedings of Science, INPC2016 337, Apr, 2017
Recent results on open and closed heavy flavor from PHENIX at RHIC

Hachiya Takashi, T. Hachiya, for the, PHENIX collaboration

Proceedings of Science, ICHEP2016 373, Mar, 2017
Recent heavy flavor measurements from PHENIX at RHIC

Takashi Hachiya

XLVI INTERNATIONAL SYMPOSIUM ON MULTIPARTICLE DYNAMICS (ISMD 2016), 141 5, 2017
Systematic study of azimuthal anisotropy in Cu plus Cu and Au plus Au collisions at root s(NN)=62.4 and 200 GeV

A. Adare, S. Afanasiev, C. Aidala, N. N. Ajitanand, Y. Akiba, H. Al-Bataineh, A. Al-Jamel, J. Alexander, K. Aoki, L. Aphecetche …

PHYSICAL REVIEW C, 92(3), Sep, 2015
Systematic study of charged-pion and kaon femtoscopy in Au plus Au collisions at root s(NN)=200 GeV

A. Adare, S. Afanasiev, C. Aidala, N. N. Ajitanand, Y. Akiba, H. Al-Bataineh, J. Alexander, M. Alfred, K. Aoki, N. Apadula …

PHYSICAL REVIEW C, 92(3), Sep, 2015
Heavy-quark production and elliptic flow in Au plus Au collisions at root(NN)-N-S=62.4 GeV

A. Adare, C. Aidala, N. N. Ajitanand, Y. Akiba, R. Akimoto, H. Al-Ta'ani, J. Alexander, A. Angerami, K. Aoki, N. Apadula …

PHYSICAL REVIEW C, 91(4), Apr, 2015
Search for dark photons from neutral meson decays in p plus p and d plus Au collisions at root s(NN)=200 GeV

A. Adare, S. Afanasiev, C. Aidala, N. N. Ajitanand, Y. Akiba, R. Akimoto, H. Al-Bataineh, H. Al-Ta'ani, J. Alexander, M. Alfred …

PHYSICAL REVIEW C, 91(3), Mar, 2015
PHENIX Collaboration

A. Adare, S. Afanasiev, C. Aidala, N. N. Ajitanand, Y. Akiba, R. Akimoto, H. Al-Bataineh, H. Al-Ta'ani, J. Alexander, M. Alfred …

Nuclear Physics A, 932 627-633, Dec 1, 2014
Beam-energy and system-size dependence of the space-time extent of the pion emission source produced in heavy ion collisions

A. Adare, S. Afanasiev, C. Aidala, N. N. Ajitanand, Y. Akiba, R. Akimoto, H. Al-Bataineh, H. Al-Ta'ani, J. Alexander, M. Alfred …

Oct 10, 2014
Comparison of the space-time extent of the emission source in $d$$+$Au and Au$+$Au collisions at $\sqrt{s_{NN } }=200$ GeV

A. Adare, S. Afanasiev, C. Aidala, N. N. Ajitanand, Y. Akiba, R. Akimoto, H. Al-Bataineh, J. Alexander, M. Alfred, A. Angerami …

Apr 22, 2014
Concept for an Electron Ion Collider (EIC) detector built around the BaBar solenoid

PHENIX Collaboration, A. Adare, C. Aidala, N. N. Ajitanand, Y. Akiba, R. Akimoto, M. Alfred, N. Apadula, Y. Aramaki, H. Asano …

Feb 6, 2014
Secondary vertex and DCA measurement of electron pairs using PHENIX-VTX

Hachiya Takashi

Meeting abstracts of the Physical Society of Japan, 68(2) 80-80, Aug 26, 2013
29aHA-4 Measurement of the single electrons from charm and bottom decays using the PHENIX-VTX detector

Hachiya Takashi

Meeting abstracts of the Physical Society of Japan, 68(1) 107-107, Mar 26, 2013
高エネルギー重イオン衝突による物理

郡司卓, 中條達也, 江角晋一, 大山健, 坂井信吾, 坂口貴男, 志垣賢太, 下村真弥, 鳥井久行, 蜂谷崇 …

原子核研究, 57(Supplement 2) 167-202, Feb, 2013
12aSL-3 RHIC-PHENIX : Heavy Quark and Jet Measurement

Hachiya Takashi

Meeting abstracts of the Physical Society of Japan, 67(2) 71-71, Aug 24, 2012
Nuclear-modification factor for open-heavy-flavor production at forward rapidity in Cu plus Cu collisions at root s(NN)=200 GeV

A. Adare, S. Afanasiev, C. Aidala, N. N. Ajitanand, Y. Akiba, H. Al-Bataineh, J. Alexander, K. Aoki, L. Aphecetche, R. Armendariz …

PHYSICAL REVIEW C, 86(2), Aug, 2012
26pGC-2 Charged Particle Tracking with the Silicon Vertex Detector at RHIC-PHENIX

Hachiya Takashi

Meeting abstracts of the Physical Society of Japan, 67(1) 104-104, Mar 5, 2012
Heavy-quark production in p plus p and energy loss and flow of heavy quarks in Au plus Au collisions at root s(NN)=200 GeV

A. Adare, S. Afanasiev, C. Aidala, N. N. Ajitanand, Y. Akiba, H. Al-Bataineh, J. Alexander, A. Al-Jamel, K. Aoki, L. Aphecetche …

PHYSICAL REVIEW C, 84(4), Oct, 2011

Presentations

RHIC-sPHENIX実験における中間飛跡検出器INTTを用いた飛跡再構成

辻端日菜子, 秋葉康之, 池本真尋, 榎園昭智, 加藤智也, 加納麻衣, 甘林, 菊池陸大, 近藤崇, 宍倉遼太, 下村真弥, 杉山由佳, 寺坂優里, 中川格, 糠塚元気, 長谷川勝一, 波多美咲, 蜂谷崇, 藤木一真, 藤原愛実, 森本菜央, 渡部舞

日本物理学会 2024年春季大会, Mar 21, 2024
RHIC-sPHENIX実験における中間飛跡検出器INTTのデータ読出し

加納麻衣, 秋葉康之, 池本真尋, 榎園昭智, 加藤智也, 甘林, 菊池陸大, 近藤崇, 宍倉遼太, 下村真弥, 杉山由佳, 辻端日菜子, 寺坂優里, 中川格, 糠塚元気, 長谷川勝一, 波多美咲, 蜂谷崇, 藤木一真, 藤原愛実, 森本菜央, 渡部舞

日本物理学会 2024年春季大会, Mar 21, 2024
RHIC-sPHENIX実験における中間飛跡検出器INTTの動作検証

杉山由佳, 秋葉康之, 池本真尋, 榎園昭智, 加藤智也, 加納麻衣, 甘林, 菊池陸大, 近藤崇, 宍倉遼太, 下村真弥, 辻端日菜子, 寺坂優里, 中川格, 糠塚元気, 長谷川勝一, 波多美咲, 蜂谷崇, 藤木一真, 藤原愛実, 森本菜央, 渡部舞

日本物理学会 2024年春季大会, Mar 21, 2024
RHIC-sPHENIX実験におけるジェット検出手法の開発と評価

渡部舞 for the, sPHENIX Collaboration

日本物理学会 2024年春季大会, Mar 19, 2024
RHIC- sPHENIX 実験における反応平面の測定

藤原愛実, 秋葉康之, 池本真尋, 榎園昭智, 加藤智也, 加納麻衣, 甘林, 菊池陸大, 近藤崇, 宍倉遼太, 下村真弥, 杉山由佳, 辻端日菜子, 寺坂優里, 中川格, 糠塚元気, 長谷川勝一, 波多美咲, 蜂谷崇, 藤木一真, 森本菜央, 渡部舞

日本物理学会 2024年春季大会, Mar 19, 2024
RHIC-sPHENIX実験におけるシリコン飛跡検出器を用いた粒子多重度の測定

波多美咲, 秋葉康之, 池本真尋, 榎園昭智, 加藤智也, 加納麻衣, 甘林, 菊池陸大, 近藤崇, 宍倉遼太, 下村真弥, 杉山由佳, 辻端日菜子, 寺坂優里, 中川格, 糠塚元気, 長谷川勝一, 蜂谷崇, 藤木一真, 藤原愛実, 森本菜央, 渡部舞

日本物理学会 2024年春季大会, Mar 19, 2024
ALICE実験FoCal検出器用p型シリコンセンサーの放射線耐性評価のための中性子被ばく量見積り

佐々木優花, 稲葉基, 中條達也, 後藤雄二, 小林知洋, 若林泰生, PARK JONGHAN, 犬飼泰地, 奥井渓太, 伊東昴, 依田浩志郎, 竹谷篤, 坂井慎吾, 蜂谷崇, 初田真知子

日本物理学会 2024年春季大会, Mar 19, 2024
Run-23 INTT data status

Dec 5, 2023 Invited
jets and heavy-flavors

Sep 28, 2023 Invited
sPHENIX & EIC Experiments

Takashi Hachiya

The 9th Asian Triangle Heavy-Ion Conference (ATHIC 2023), Apr 27, 2023 Invited
宇宙線を用いたsPHENIX実験-中間飛跡検出器INTTの検出効率計算およびタイミング依存性の確認

並本ゆみか, 秋葉康之, 今井皓, 加藤智也, 加納麻衣, 近藤崇, 宍倉遼太, 下村真弥, 杉山由佳, 高濱瑠菜, 辻端日菜子, 中川格, 糠塚元気, 長谷川勝一, 波多美咲, 蜂谷崇, 藤木一真, 藤原愛実, 渡部舞

日本物理学会 2023年春季大会, Mar 25, 2023
ハードプローブを用いたQGP性質測定の現状と今後

蜂谷崇

日本物理学会 2023年春季大会, Mar 22, 2023 Invited
RHIC-sPHENIX実験の物理と現状

秋葉康之, 蜂谷崇

日本物理学会 2022年秋季大会, Sep 8, 2022
PHENIX results on Heavy Flavor Production

Takashi Hachiya

XI International Conference on New Frontiers in Physics (ICNFP 2022), Sep 8, 2022 Invited
宇宙線を用いたsPHENIX実験-中間飛跡検出器INTT用シリコンセンサーの性能評価

並本ゆみか, 秋葉康之, 今井皓, 加藤智也, 近藤崇, 宍倉遼太, 下村真弥, 杉山由佳, 高濱瑠菜, 中川格, 糠塚元気, 長谷川勝一, 波多美咲, 蜂谷崇, 藤木一真, 渡部舞

日本物理学会 2022年秋季大会, Sep 7, 2022
Charm and Bottom quark energy loss and flow measurements in Au+Au collisions by the PHENIX experiment

Takashi Hachiya

XXIXth International Conference on Ultra-relativistic Nucleus-Nucleus Collisions, Apr 6, 2022 Invited
sPHENIX実験シリコン飛跡検出器INTTのための長尺データケーブルの開発と量産

蜂谷崇

日本物理学会 2022年年次大会, Mar 15, 2022
sPHENIX実験-中間飛跡検出器INTTの検出効率の評価

森田美羽, 秋葉康之, 今井皓, 近藤崇, 柴田実香, 下村真弥, 杉山由佳, 高濱瑠菜, 中川格, 中野元太, 中村友亮, 並本ゆみか, 糠塚元気, 長谷川勝一, 波多美咲, 蜂谷崇, 渡部舞

日本物理学会 2022年年次大会, Mar 15, 2022
高エネルギー重イオン衝突で見るクォーク・グルーオン・プラズマ物性

蜂谷崇

東北大学ELPHセミナー, Dec 6, 2021 Invited
Study for the mass production of the data cable for sPHENIX-INTT detector

Takashi Hachiya, Yasuyuki Akiba, Hikaru Imai, Takashi Kondo, Mika Shibata, Maya Shimomura, Runa Takahama, Itaru Nakagawa, Yumika Namimoto, Genki Nukazuka, Shoichi Hasegawa, Miu Morita

Physics Society of Japan, Sep 16, 2021

Professional Memberships

Research Projects

新国際共同実験sPHENIXによるQGP中のパートンエネルギー損失機構の解明

科学研究費助成事業, 国際共同研究加速基金(海外連携研究), 日本学術振興会, Sep, 2023 - Mar, 2027

蜂谷崇, 糠塚元気, 下村真弥, 秋葉康之
Gluon saturation and origin of QGP probed by forward photons at LHC

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (S), Grant-in-Aid for Scientific Research (S), Japan Society for the Promotion of Science, Aug, 2020 - Mar, 2025
極小クォーク・グルーオン・プラズマを作り出すメカニズムの解明

科学研究費助成事業基盤研究(C), 基盤研究(C), 日本学術振興会, Mar, 2019 - Mar, 2022

下村真弥, 蜂谷崇

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