Basic Information

Faculty

• Faculty of Science

Concurrent Affiliation

• Graduate School of Engineering, 授業担当教員

Email Address

• Email Address

  chen.shion.2ukyoto-u.ac.jp

Professional Memberships

• From Oct. 2012, To Present

  Physics Society of Japan

Academic Degree

• 24 Mar. 2014

  東京大学修士（理学）
• 15 Sep. 2017

  東京大学博士（理学）

Academic Resume (Undergraduate School/Majors)

• 東京大学, 理学部物理学科, 卒業

Research History

• From May 2024, To Present

  Kyoto University, Graduate School of Science Division of Physics and Astronomy, Associate Professor
• From Jan. 2022, To Apr. 2024

  The University of Tokyo, International Center for Elementary Particle Physics, Project Assistant Professor
• From Sep. 2017, To Dec. 2021

  University of Pennsylvania, Post-doctoral Fellow
• From Apr. 2014, To Mar. 2017

  Japan Society for the Promotion of Science, 特別研究員 (DC1)

Language of Instruction

• Chinese
• English
• Japanese

ID,URL

• ORCID ID

  0000-0001-7987-9764

• J-Global ID

  202201007210842778

• Researcher number

  60953651

• External link

  https://sites.google.com/view/kyoto-hep-quantum/

researchmap URL

• https://researchmap.jp/shionchen

Research

Research Interests

• Dark matter
• Superconducting quantum bit
• Particle detector
• Machine learning
• Supersymmetry
• LHC
• High energy physics
• Bell's inequality

Research Areas

• Natural sciences, Semiconductors, optical and atomic physics, Superconducting qubits, wave-like dark matter
• Natural sciences, Particle, nuclear, cosmic-ray, and astrophysics - experiment, Collider physics, Dark matter, SUSY, Calorimeter, Drift chamber

Papers

• Search for higgsinos in compressed mass spectra using low-momentum tracks in pp collisions at √s=13 TeV with the ATLAS detector

  ATLAS Collaboration

  Nov. 2025

  
• Background suppression in quantum sensing of dark matter via collective entangled-state projection

  Shion Chen; Hajime Fukuda; Yutaro Iiyama; Yuya Mino; Takeo Moroi; Mikio Nakahara; Tatsumi Nitta; Thanaporn Sichanugrist

  Physical Review D, 05 Mar. 2026, Peer-reviewed

  
• Search for Dark Photon Dark Matter of a Mass around $36.1\text{ }\mathrmμ\mathrm{eV}$ Using a Frequency-tunable Cavity Controlled through a Coupled Superconducting Qubit

  K. Nakazono; S. Chen; H. Fukuda; Y. Iiyama; T. Inada; T. Moroi; T. Nitta; A. Noguchi; R. Sawada; S. Shirai; T. Sichanugrist; K. Terashi; K. Watanabe

  2025

  
• Search for cascade decays of charged sleptons and sneutrinos in final states with three leptons and missing transverse momentum in 𝑝⁢𝑝 collisions at √𝑠 =13  TeV with the ATLAS detector

  ATLAS Collaboration

  Physical Review D, 08 Jul. 2025, Peer-reviewed, Corresponding author

  
• Search for chargino-neutralino production with mass splittings near the electroweak scale in three-lepton final states in √𝑠=13  TeV 𝑝⁢𝑝 collisions with the ATLAS detector

  ATLAS Collaboration

  Physical Review D, 07 Apr. 2020, Peer-reviewed

  
• Search for exotic decays of the Higgs boson to at least one photon and missing transverse momentum using 79.8 fb of proton--proton collisions collected at TeV with the ATLAS detector

  ATLAS Collaboration

  https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/CONFNOTES/ATLAS-CONF-2018-019/, 30 May 2018

  
• Search for QCD axion dark matter with transmon qubits and quantum circuit

  Shion Chen; Hajime Fukuda; Toshiaki Inada; Takeo Moroi; Tatsumi Nitta; Thanaporn Sichanugrist

  Physical Review D, 16 Dec. 2024, Peer-reviewed

  Access this paper :

  
• Quantum Enhancement in Dark Matter Detection with Quantum Computation

  Shion Chen; Hajime Fukuda; Toshiaki Inada; Takeo Moroi; Tatsumi Nitta; Thanaporn Sichanugrist

  Physical Review Letters, 09 Jul. 2024, Peer-reviewed

  
• Search for Nearly Mass-Degenerate Higgsinos Using Low-Momentum Mildly Displaced Tracks in 𝑝⁢𝑝 Collisions at √𝑠=13  TeV with the ATLAS Detector

  ATLAS Collaboration

  Physical Review Letters, 30 May 2024, Peer-reviewed, Corresponding author

  
• The ATLAS experiment at the CERN Large Hadron Collider: a description of the detector configuration for Run 3

  ATLAS Collaboration

  Journal of Instrumentation, 01 May 2024, Peer-reviewed

  
• Detecting Hidden Photon Dark Matter Using the Direct Excitation of Transmon Qubits

  Shion Chen; Hajime Fukuda; Toshiaki Inada; Takeo Moroi; Tatsumi Nitta; Thanaporn Sichanugrist

  Physical Review Letters, 22 Nov. 2023, Peer-reviewed

  
• Search for charginos and neutralinos in final states with two boosted hadronically decaying bosons and missing transverse momentum in pp collisions at √s=13TeV with the ATLAS detector

  ATLAS Collaboration

  Physical Review D, 27 Dec. 2021, Peer-reviewed, Corresponding author

  
• Search for chargino-neutralino pair production in final states with three leptons and missing transverse momentum in √s= 13 TeV pp collisions with the ATLAS detector

  ATLAS Collaboration

  The European Physical Journal C, 20 Dec. 2021, Peer-reviewed, Corresponding author

  
• Muon reconstruction and identification efficiency in ATLAS using the full Run 2 pp collision data set at √s= 13 TeV

  ATLAS Collaboration

  The European Physical Journal C, 05 Jul. 2021, Peer-reviewed

  
• CERN Yellow Reports: Monographs, Vol. 1 (2021): Radiation effects in the LHC experiments: Impact on detector performance and operation

  {CERN Yellow Reports: Monographs}

  CERN Yellow Reports: Monographs, 13 Apr. 2021

  
• Searches for electroweak production of supersymmetric particles with compressed mass spectra in √s=13TeV pp collisions with the ATLAS detector

  ATLAS Collaboration

  Physical Review D, 11 Mar. 2020, Peer-reviewed

  
• Search for squarks and gluinos in events with an isolated lepton, jets, and missing transverse momentum at √s=13TeV with the ATLAS detector

  ATLAS Collaboration

  Physical Review D, 26 Dec. 2017, Peer-reviewed

  
• Search for Gluinos using Final States with One Isolated Lepton in the LHC- ATLAS Experiment

  Shion Chen

  Doctoral thesis (https://cds.cern.ch/record/2284333), Sep. 2017, Lead author

  
• Search for gluinos in events with an isolated lepton, jets and missing transverse momentum at √s=13 TeV with the ATLAS detector

  ATLAS Collaboration

  The European Physical Journal C, Oct. 2016, Peer-reviewed

  
• Beam test performance of the SKIROC2 ASIC

  M.S. Amjad; M. Anduze; J.-E. Augustin; J. Bonis; V. Boudry; C. Bourgeois; J.-C. Brient; S. Callier; M. Cerutti; S. Chen; R. Cornat; P. Cornebise; D. Cuisy; J. David; C. de la Taille; F. Dulucq; T. Frisson; M. Frotin; F. Gastaldi; P. Ghislain; J. Giraud; A. Gonnin; D. Grondin; E. Guliyev; J.-Y. Hostachy; D. Jeans; Y. Kamiya; K. Kawagoe; C. Kozakai; D. Lacour; L. Lavergne; S.H. Lee; F. Magniette; H. Ono; R. Poeschl; J. Rouën{\'{e } }; N. Seguin-Moreau; H.S. Song; Y. Sudo; A. Thiebault; H. Tran; H. Ueno; N. van der Kolk; T. Yoshioka

  Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Apr. 2015, Peer-reviewed

  
• 

  Test of Bell’s Inequality and Entanglement Measurement in Collider Experiments

  Shion Chen

  Master thesis, Mar. 2014, Lead author

  
• Testing Bell's inequality using charmonium decays

  S. Chen; Y. Nakaguchi; S. Komamiya

  Progress of Theoretical and Experimental Physics, 01 Jun. 2013, Peer-reviewed, Lead author

  
• Other journal papers from the ATLAS experiments: ~700 (2024 Apr)

  Not registered as the DB would explode

  https://gitlab.cern.ch/shion/cv_pub/-/blob/master/other_ATLAS_papers.pdf, Apr. 2008

  

Presentations

• DarQ experiment - Wave-like dark matter searches using superconducting qubits

  Shion Chen

  Aalto Quantum Physics Seminar, 18 Jun. 2025, Invited

  
• Dark matter searches using superconducting qubits

  Shion Chen

  QLEAR Research exchange workshop 2025, 04 Mar. 2026, Invited

  
• Sensors using superconducting qubits

  Shion Chen

  Micro workshop on Quantum detection of (dark) waves, 22 Apr. 2025, Invited

  
• Electroweak SUSY searches @ LHC : Recent results & excesses

  Shion Chen

  Workshop for Tera-Scale Physics and Beyond, 26 Dec. 2025, Invited

  
• Wave-like dark matter searches in DarQ experiment

  Shion Chen

  Multimessenger Astronomy Beyond the Standard Model and Quantum Sensing (Q-EYES 2025), 09 Dec. 2025, International Center for Quantum-field Measurement Systems for Studies of the Universe and Particles (WPI-QUP), Invited

  
• BSM searches at the energy frontier

  Shion Chen

  Japan Physics Society 80th annual meeting, 18 Sep. 2025, Japan Physics Society, Invited

  
• Quantum for HEP

  Shion Chen

  Higgs Factory Summer School 2025, 31 Aug. 2025, Invited

  
• Quantum Sensing Application in Particle Physics

  Shion Chen

  International Symposium on Creation of Advanced Photon and Electronic Devices 2025, 12 Mar. 2025, WISE program "Innovation of Photonic and Electronic Devices", Invited

  
• Dark matter searches using superconducting qubits

  Shion Chen

  8th Workshop on Youth Meeting for Astro Particle, 03 Nov. 2023, Youth Meeting for Astro Particles, Invited

  
• Dark matter searches in colliders

  Shion Chen

  KMI2025 : The 6th KMI International Symposium, 05 Mar. 2025, Kobayashi Masukawa Institute at Nagoya University, Invited

  
• SUSY dark matter search at the LHC

  Shion Chen

  The extreme Universe viewed in very-high-energy gamma rays 2024, 07 Jan. 2025, Invited

  
• Dark matter searches using superconducting qubits

  Shion Chen

  High Energy Physics in the Quantum Era, 04 Dec. 2024, Invited

  
• New Physics Searches using Superconducting Qubits

  Shion Chen

  2nd quantum sensing workshop for particle physics, astronomy and gravity "multi-wavelength gravitational wave observation and dark matter", 11 Oct. 2024, Invited

  
• Search for dark photon dark matter using large-scale superconducting quantum computers as detectors

  Shion Chen; Yutaro Iiyama

  19th Patras Workshop on Axions, WIMPs and WISPs, 17 Sep. 2024

  
• Quantum technology application for particle physics experiments

  Shion Chen

  IPNS workshop "Particle Physics: Future and Now", 22 Dec. 2023, Invited

  
• Wave-like dark matter search using superconducting qubits

  Shion Chen

  QUPosium2023, 12 Dec. 2023, KEK QUP, Invited

  
• Dark matter search using the direct excitation of transmon qubits

  Shion Chen

  18th Patras Workshop on Axions, WIMPs and WISPs, 03 Jul. 2023

  
• Dark matter search with superconducting qubit (2)

  Shion Chen; Tatsumi Nitta; Toshiaki Inada

  Japan Physics Society Spring Meeting 2023, 25 Mar. 2023

  
• Dark matter search at LHC: SUSY dark matter

  Shion Chen

  Kashiwa dark matter symposium 2022, 29 Nov. 2022, University of Tokyo ICRR, Invited

  
• SUSY Searches at LHC

  Shion Chen

  Les Rencontres de Physique de la Vallée d'Aoste (La Thuile 2022), 12 Mar. 2022, Invited

  
• Reconstruction Techniques in SUSY Searches with Soft Objects in the ATLAS Experiment

  Shion Chen

  40th International Conference on High Energy physics (ICHEP 2020), 31 Jul. 2020, University of Praha

  
• Search for electroweak gauginos in compressed mass spectra in the LHC- ATLAS experiment

  Shion Chen

  APS Division of Particles and Fields Meeting (DPF 2019), 01 Aug. 2019, American Physics Society

  
• Search for Gluinos using Final States with One Isolated Lepton in the LHC-ATLAS Experiment

  Shion Chen

  Japan Physics Society 74th Annual Meeting, 15 Mar. 2019, Japan Physics Society, Invited

  
• LHC SUSY

  Shion Chen

  新テラスケール研究会, 27 Jul. 2018, Invited

  
• Electroweak Production SUSY Searches in the ATLAS Experiment

  Shion Chen

  The Sixth Annual Large Hadron Collider Physics conference (LHCP 2018), 07 Jun. 2018, University of Bolonga

  
• Searches for squarks and gluinos in final states with an isolated charged lepton, jets, and missing transverse momentum with the ATLAS detector

  Shion Chen

  23rd Cracow Epiphany Conference on Particle Theory (Epiphany 2017), 11 Jan. 2017

  
• Search for supersymmetric particles using the 1-lepton final states in the ATLAS experiment of LHC Run2 (2)

  Shion Chen; Tomoyuki Saito; Takashi Yamanaka; Shoji Asai

  Japan Physics Society Autumn Meeting 2016, 24 Sep. 2016, Japan Physics Society

  
• Search for supersymmetric particles using the 1-lepton final states in the ATLAS experiment of LHC Run2

  Shion Chen; Tomoyuki Saito; Takashi Yamanaka; Shoji Asai

  Japan Physics Society 71th Annual Meeting, 19 Mar. 2016, Japan Physics Society

  
• SUSY 13TeV overview (2) EWK+Long-lived

  Shion Chen

  新学術領域研究会 テラスケール2015 〜先端加速器LHCが切り拓くテラスケールの素粒子物理学〜, 22 Dec. 2015, Invited

  
• A novel background rejection method for electroweak gaugino searches in the ATLAS experiment of LHC Run2

  Shion Chen; Tomoyuki Saito; Takashi Yamanaka; Shoji Asai

  Japan Physics Society Autumn Meeting 2015, 26 Sep. 2015, Japan Physics Society

  
• Search for electroweak gaugino pair production in the ATLAS experiment of LHC Run2 (2)

  Shion Chen; Shmpei Yamamoto; Naoko Kanaya; Takashi Yamanaka; Shoji Asai

  Japan Physics Society 70th Annual Meeting, 22 Mar. 2015, Japan Physics Society

  
• Search for electroweak gaugino pair production in the ATLAS experiment of LHC Run2

  Shion Chen; Shimpei Yamamoto; Naoko Kanaya; Takashi Yamanaka; Shoji Asai; Sachio Komamiya

  Japan Physics Society Autumn Meeting 2014, 18 Sep. 2014, Japan Physics Society

  
• Photon Reconstruction and 2-particle Separation in the GARLIC and Pandora Algorithm

  Shion Chen; Daniel Jeans; Chihiro Kozakai; Yoshiro Kamiya; Sachio Komamiya

  Japan Physics Society 69th Annual Meeting, 27 Mar. 2014, Japan Physics Society

  
• Testing Bell's inequality using entangled decay particles' momenta in collider experiments

  Shion Chen

  KEK Theory seminars, 17 Dec. 2013, Invited

  
• Testing Bell's inequality using charmonium decay

  Shion Chen

  IHEP seminar, 02 Dec. 2013, Invited

  
• Performance Evaluation of the Particle Flow Algorithm using the Test Beam Data

  Shion Chen; Daniel Jeans; Chihiro Kozakai; Yoshiro Kamiya; Sachio Komamiya

  Japan Physics Society Autumn Meeting 2013, 22 Sep. 2013, Japan Physics Society

  
• Testing Bell's inequality and Measurement of EPR Correlation using Charmonium Decays

  Shion Chen; Yuki Nakaguchi; Sachio Komamiya

  Japan Physics Society 68th Annual Meeting, 27 Mar. 2013, Japan Physics Society

  

Books and Other Publications

• 代わりに読む人1 創刊号: 特集:矛盾

  友田 とん; 蛙坂 須美; 伊藤 螺子; 今村 空車; 小山田 浩子; 陳 詩遠; 永井 太郎; はいたに あゆむ; panpanya; 深澤 元; 伏見 瞬; 二見 さわや歌; 細馬 宏通; 牧野 楠葉; 松尾 信一郎; 松尾 模糊; わかしょ文庫; 佐貫 絢郁; コバヤシ タケシ; 飯村 大樹; サワラギ校正部, Contributor

  代わりに読む人, 31 Jul. 2023

  Find Kyoto University's collection of books :

  
• 代わりに読む人0 創刊準備号

  蛙坂 須美; 海乃 凧; 太田 靖久; 小山田 浩子; オルタナ旧市街; 柿内 正午; 鎌田 裕樹; 近藤 聡乃; 佐川 恭一; 田巻 秀敏; 陳 詩遠; 東條 慎生; 友田 とん; haco; 橋本 義武; 伏見 瞬; 二見 さわや歌; 毛利 悠子; わかしょ文庫; コバヤシ タケシ, Contributor

  代わりに読む人, 10 Jun. 2022

  Find Kyoto University's collection of books :

  

Works

• Tricycle with a surfer (Ball of Ocean)

  Takuo Minato; Shion Chen; Tatsumi Nitta; Go Yumoto; Ball of Ocean Collaboration

  From 22 Oct. 2021, To 22 Oct. 2021

  

Awards

• 15 Mar. 2019

  第13回（2019年）日本物理学会若手奨励賞（日本物理学会）

External funds: Kakenhi

• 誤り耐性量子コンピュータに向けた誤り訂正技術の開発

  Grant-in-Aid for Scientific Research (A)

  Medium-sized Section 60:Information science, computer engineering, and related fields

  The University of Tokyo

  寺師 弘二

  From 01 Apr. 2024, To 31 Mar. 2029, Granted

  量子コンピュータ

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24H00689/
• 次世代axion実験のための超伝導量子ビットを用いた単一光子検出と周波数変調の実証

  Grant-in-Aid for Scientific Research (B)

  Basic Section 15020:Experimental studies related to particle-, nuclear-, cosmic ray and astro-physics

  The University of Tokyo

  新田 龍海

  From 01 Apr. 2024, To 31 Mar. 2026, Granted

  アクシオン;暗黒物質;量子センサー;超伝導量子ビット

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23K25878/
• Exploration of the strong coupling regime between the 3D cavity and super conducting quantum bits for low-mass wave-like dark matter searches

  Grant-in-Aid for Early-Career Scientists

  Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics

  Kyoto University;The University of Tokyo

  Shion Chen

  From 01 Apr. 2023, To 31 Mar. 2025, Project Closed

  ダークマター;超伝導量子ビット;共振器電磁力学;ダークフォトン;アクシオン

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23K13093/
• 1000 T素粒子探索と宇宙磁気プラズマの解明

  Grant-in-Aid for Transformative Research Areas (A)

  Transformative Research Areas, Section (II)

  The University of Tokyo

  稲田 聡明

  From 01 Apr. 2023, To 31 Mar. 2028, Granted

  強磁場;素粒子探索;レーザー宇宙物理学;パワーレーザー

  https://kaken.nii.ac.jp/grant/KAKENHI-PLANNED-23H04864/
• 次世代axion実験のための超伝導量子ビットを用いた単一光子検出と周波数変調の実証

  Grant-in-Aid for Scientific Research (B)

  Basic Section 15020:Experimental studies related to particle-, nuclear-, cosmic ray and astro-physics

  The University of Tokyo

  新田 龍海

  From 01 Apr. 2023, To 31 Mar. 2026, Granted

  暗黒物質;超伝導量子ビット;量子センサー

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23H01182/
• Wideband dark matter search using novel sensing technologies based on superconducting qubits

  Grant-in-Aid for Scientific Research (A)

  Medium-sized Section 15:Particle-, nuclear-, astro-physics, and related fields

  Kyoto University

  陳 詩遠

  From 01 Apr. 2025, To 31 Mar. 2030, Granted

  ダークマター;超伝導量子ビット;ダークフォトン;極低温実験

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-25H00638/
• タウ粒子識別技術の先鋭化による暗黒物質研究の開拓

  Grant-in-Aid for Scientific Research (B)

  Basic Section 15020:Experimental studies related to particle-, nuclear-, cosmic ray and astro-physics

  The University of Tokyo

  齋藤 智之

  From 01 Apr. 2025, To 31 Mar. 2028, Granted

  暗黒物質;LHC加速器;タウ粒子識別

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-25K01023/

Education

Teaching subject(s)

• From 01 Apr. 2025, To 31 Mar. 2026

  Prospects of Interdisciplinary Photonics and Electronics

  X001, Spring, Graduate School of Engineering, 2
• From 01 Apr. 2025, To 31 Mar. 2026

  Physics WISE Program Special Lecture

  4515, Spring, Graduate School of Science, 1
• From 01 Apr. 2025, To 31 Mar. 2026

  Seminar on Techniques for Elementary Particle Physics B

  3068, Fall, Graduate School of Science, 2
• From 01 Apr. 2025, To 31 Mar. 2026

  Seminar on Techniques for Elementary Particle Physics A

  3067, Spring, Graduate School of Science, 2
• From 01 Apr. 2025, To 31 Mar. 2026

  Electromagnetism A

  2217, Fall, Faculty of Science, 2
• From 01 Apr. 2025, To 31 Mar. 2026

  Laboratory Work in Physics A2

  8252, Spring, Faculty of Science, 5
• From 01 Apr. 2025, To 31 Mar. 2026

  Laboratory Work in Physics A2

  8253, Fall, Faculty of Science, 5

Participation in PhD Defense

• Search for higgsinos with compressed mass spectra using low-momentum mildly-displaced tracks with the ATLAS detector

  MINO YUYA, Graduate School of Science, Chief Examiner

  23 Jul. 2024

Administration

Faculty management (title, position)

• From 01 Apr. 2025, To 31 Mar. 2026

  理学研究科社会連携小委員会委員
• From 01 Apr. 2024, To 31 Mar. 2025

  理学研究科社会連携小委員会委員

Academic, Social Contribution

Committee Memberships

• From Oct. 2025, To Present

  Council member, Japan Association of High Energy Physics
• From Jan. 2023, To Present

  Convener of "superconducting and spin sensor" sub-group, ECFA detector R&D roadmap RD5 (quantum sensor)
• From Apr. 2023, To Nov. 2023

  Local organizer, Kashiwa Dark matter symposium 2023

Social Contribution

• なにがなんだか

  Contributor

  代わりに読む人, 「試行錯誤」連載, From 27 Oct. 2023, To Present

  
• くたばれアメリカ

  Contributor

  Beacon, ZINE BEACON VOL.3, From 01 Nov. 2023, To 01 Nov. 2023

  
• ありえない秩序

  Contributor

  代わりに読む人, 代わりに読む人1 創刊号, From 31 Jul. 2023, To 31 Jul. 2023

  
• 解凍されゆく自身とジュネーブ近郊の地下で起こっている乱痴気騒ぎについて

  Contributor

  代わりに読む人, 代わりに読む人0 創刊準備号, From 10 Jun. 2022, To 10 Jun. 2022

  
• ケーブルの海に溺れて

  Contributor

  Beacon, ZINE BEACON VOL.1, From 10 Aug. 2021, To 10 Aug. 2021