Curriculum Vitae
So Chigusa
August 18, 2022

Personal DataFirst Name:So

Last Name:

Chigusa

Date of Birth:

May 22, 1992

Place of Birth:

Kobe, Japan

Nationality:

Japanese

Age:

30

Sex:

MaleAﬃliation:

Lawrence Berkeley National Laboratory

Postcode:

94720-8099

Address:

1 Cyclotron Rd

Phone:+1-510-486-4000

E-mail:

SoChigusa@lbl.gov

Homepage: https://sochigusa.bitbucket.io

Education
Date

DegreeInstitution

Mar. 23, 2020

Doctor of Philosophy (Physics) University of Tokyo

Mar. 23, 2017

Master of Science (Physics)

University of Tokyo

Mar. 25, 2015

Bachelor of Science (Physics)

University of Tokyo1Professional experience
Sep. 2020 – :Postdoc, Lawrence Berkeley National Laboratoy

Apr. 2020 – Aug. 2022:

Postdoc, High Energy Accelerator Research Organization (KEK)

Apr. 2015 – Mar. 2020 :Ph.D. Student, Department of Physics, University of Tokyo(Dr. Takeo Moroi)

Teaching experience
Apr. 2015 – Sep. 2015 :Teaching Assistant for Undergraduate Class “Quantum Mechanics II”
at Department of Physics, University of Tokyo

GrantsApr. 2020 – Aug. 2022:

JSPS, Research Fellowships for Young Scientists (PD)
Amount: 3100000 JPY

Apr. 2017 – Mar. 2020 :JSPS, Research Fellowships for Young Scientists (DC1)
Amount: 2800000 JPY

Oct. 2015 – Mar. 2020 :MEXT, Program for Leading Graduate Schools

Honors and Awards
1. Best presentation award for young scientists @ Unraveling the History of theUniverse 2020
2. Best Poster Award @ HPNP 2019

Publications[1] S. Chigusa and M. Yamazaki, Quantum Simulations of Dark Sector
Showers, 2204.12500.
2

[2] S. Chigusa, T. Moroi and Y. Shoji, Upper bound on the smuon mass fromvacuum stability in the light of muon g − 2 anomaly, Phys. Lett. B 831(2022) 137163, [2203.08062].
[3] S. Chigusa, S. Li, Y. Nakai, W. Zhang, Y. Zhang and J. Zheng, Deeply
Learned Preselection of Higgs Dijet Decays at Future Lepton Colliders,2202.02534.
[4] S. Chigusa, K. Hamaguchi, T. Moroi, A. Niki and K. Ono, Studying squark
mass spectrum through gluino decay at 100 TeV future hadron colliders,Phys. Lett. B 817 (2021) 136332, [2102.07910].
[5] S. Chigusa, T. Moroi and K. Nakayama, Axion/hidden-photon dark matterconversion into condensed matter axion, JHEP 08 (2021) 074,
[2102.06179].
[6] S. Chigusa, Y. Nakai and J. Zheng, Implications of gravitational waves forsupersymmetric grand uniﬁcation, Phys. Rev. D 104 (2021) 035031,[2011.04090].
[7] S. Chigusa, T. Moroi and Y. Shoji, Precise Calculation of the Decay Rate ofFalse Vacuum with Multi-Field Bounce, JHEP 11 (2020) 006,
[2007.14124].
[8] S. Chigusa, M. Endo and K. Kohri, Constraints on electron-scatteringinterpretation of XENON1T excess, JCAP 10 (2020) 035, [2007.01663].
[9] S. Chigusa, T. Moroi and K. Nakayama, Detecting light boson dark matterthrough conversion into a magnon, Phys. Rev. D 101 (2020) 096013,[2001.10666].
[10] S. Chigusa, Y. Hosomi, T. Moroi and M. Saito, Determining Wino Lifetimein Supersymmetric Model at Future 100 TeV pp Colliders, Phys. Lett. B 803(2020) 135260, [1912.00592].
3

[11] S. Chigusa, T. Moroi and K. Nakayama, Signals of Axion Like Dark Matterin Time Dependent Polarization of Light, Phys. Lett. B 803 (2020) 135288,[1911.09850].
[12] S. Chigusa, T. Moroi and Y. Shoji, Bounce Conﬁguration from GradientFlow, Phys. Lett. B 800 (2020) 135115, [1906.10829].
[13] S. Chigusa, S. Kasuya and K. Nakayama, Novel Flavon Stabilization withTrimaximal Neutrino Mixing, Phys. Rev. D 100 (2019) 015030,[1905.11517].
[14] T. Abe, S. Chigusa, Y. Ema and T. Moroi, Indirect studies of electroweaklyinteracting particles at 100 TeV hadron colliders, Phys. Rev. D 100 (2019)055018, [1904.11162].
[15] S. Asai, S. Chigusa, T. Kaji, T. Moroi, M. Saito, R. Sawada et al., Studying
gaugino masses in supersymmetric model at future 100 TeV pp collider,
JHEP 05 (2019) 179, [1901.10389].
[16] S. Chigusa, Y. Ema and T. Moroi, Probing electroweakly interacting
massive particles with Drell–Yan process at 100 TeV hadron colliders, Phys.
Lett. B 789 (2019) 106–113, [1810.07349].
[17] S. Chigusa, S. Kasuya and K. Nakayama, Flavon Stabilization in Models
with Discrete Flavor Symmetry, Phys. Lett. B 788 (2019) 494–499,[1810.05791].
[18] S. Chigusa and K. Nakayama, Anomalous Discrete Flavor Symmetry andDomain Wall Problem, Phys. Lett. B 788 (2019) 249–255, [1808.09601].
[19] S. Chigusa, T. Moroi and Y. Shoji, Decay Rate of Electroweak Vacuum inthe Standard Model and Beyond, Phys. Rev. D 97 (2018) 116012,[1803.03902].

4

[20] S. Chigusa, T. Moroi and Y. Shoji, State-of-the-Art Calculation of the Decay
Rate of Electroweak Vacuum in the Standard Model, Phys. Rev. Lett. 119(2017) 211801, [1707.09301].
[21] S. Chigusa and T. Moroi, Bottom-Tau Uniﬁcation in Supersymmetric SU(5)Models with Extra Matters, PTEP 2017 (2017) 063B05, [1702.00790].
[22] S. Chigusa and T. Moroi, Bottom-tau uniﬁcation in a supersymmetric modelwith anomaly-mediation, Phys. Rev. D 94 (2016) 035016, [1604.02156].
Invited Seminar Presentations
1. “Quantum Simulations of Dark Sector Showers”, 2022/5/23, The Universityof Tokyo2. “固体中の「アクシオン」を用いた軽いボソン暗黒物質の直接探索”, 2021/3/1,
Toyama, Kanazawa University
3. “Detecting Light Boson Dark Matter through Conversion into Magnon (Online)”, 2020/6/22, Nagoya University
4. “Detecting Light Boson Dark Matter through Conversion into Magnon (Online)”, 2020/6/12, UC Berkeley
5. “Detecting Light Boson Dark Matter through Conversion into Magnon (Online)”, 2020/6/2, Kyushu University
6. “Detecting Light Boson Dark Matter through Conversion into Magnon (Online)”, 2020/5/20, IBS
7. “Detecting Light Boson Dark Matter through Conversion into Magnon (Online)”, 2020/5/14, TDLI and INPAC
8. “Flowing to the Bounce”, 2019/10/24, Tohoku University
9. “Indirect Studies of Electroweakly Interacting Particles at 100 TeV Hadron
Colliders”, 2019/7/23, Osaka University
510. “Indirect Studies of Electroweakly Interacting Particles at 100 TeV Hadron
Colliders”, 2019/5/16, University of Florida
11. “Indirect Studies of Electroweakly Interacting Particles at 100 TeV HadronColliders”, 2019/5/10, Florida State University
12. “Indirect Studies of Electroweakly Interacting Particles at 100 TeV HadronColliders”, 2019/4/9, KEK
13. “Solutions to Domain Wall Problem in Models with Discrete Flavor Symmetry”, 2019/1/11, Hokkaido University
14. “Probing Electroweakly Interacting Massive Particles with Drell-Yan Process
at 100 TeV Hadron Colliders”, 2018/10/16, Nagoya University
Presentations at International Conferences(Oral)

1. “Upper bound on the smuon mass from vacuum stability in the light of muong − 2 anomaly”, 2022/6/7, PPC 2022, St. Louis
2. “Axion/Hidden-Photon Dark Matter Conversion into Condensed Matter Axion (Invited)”, 2022/2/8, KEK IPNS-IMSS-QUP Joint workshop, Online
3. “Direct detection of light bosonic dark matter using spin excitation”, 2021/8/3,
COSMO’21, Online
4. “Anomaly Mediation at Future Hadron Colliders”, 2020/8/4, KEK-PH 2020,Tsukuba
5. “Flowing to the Bounce”, 2020/1/14, Berkeley Week, IPMU
6. “Indirect Studies of Electroweakly Interacting Particles at 100 TeV HadronColliders”, 2019/8/20, SI2019, Gangneung, Korea
7. “Flowing to the Bounce”, 2019/8/9, NHWG26, Osaka6

8. “Indirect Studies of Electroweakly Interacting Particles at 100 TeV Hadron
Colliders”, 2019/5/22, SUSY 2019, Texas
9. “Indirect Studies of Electroweakly Interacting Particles at 100 TeV Hadron
Colliders”, 2019/5/6, Pheno 2019, Pittsburgh
10. “Flavon Stabilization in Models with Discrete Flavor Symmetry”, 2018/12/6,
KEK-PH 2018 winter, Tsukuba
11. “Decay Rate of the Electroweak Vacuum in the Standard Model and Beyond”,
2018/5/24, Planck 2018, Bonn
12. “Bottom-Tau Uniﬁcation in Supersymmetric Models”, 2017/2/6, New Physics
Forum, IPMU
13. “Bottom-Tau uniﬁcation in Supersymmetric Model with Anomaly-Mediation”,2016/7/05, SUSY 2016, Melbourne(Poster)

1. “Probing Electroweakly Interacting Massive Particles with Precision Measurements at 100 TeV Hadron Colliders (poster)”, 2019/2/21, HPNP2019,
Osaka
Presentations at Domestic Conferences(Oral)

1. “物性系を用いた軽い暗黒物質の直接探索（招待講演）”, 2021/9/9, PPP2021,Online
2. “スピン励起を用いた軽いボソン暗黒物質の直接探索（招待講演）”, 2021/3/31,
KEK「素核宇・物性」連携研究会, Online
3. “XENON1T 実験の結果を説明する模型への制限”, 2020/9/8, ダークマターの懇談会 2020 online, Online
7

4. “特徴的なシグナルを用いた暗黒物質模型の探索（招待講演）”, 2020/8/11,
新テラスケール研究会, Online
5. “マグノンを用いた軽いボソン暗黒物質の直接探索”, 2020/6/2, Unravelingthe History of the Universe 2020, Online
6. “Flavon Stabilization without Domain Wall Problem in Discrete Flavor Symmetry Models (in Japanese)”, 2019/6/11, Neutrino Oscillation and Flavor
Physics, Nagoya
7. “Zero Mode Problem in the Calculation of Decay Rate of the SM Electroweakvacuum”, 2018/9/15, JPS 2018, Shinshu
8. “Bottom-Tau uniﬁcation in Supersymmetric Model with Anomaly-Mediation”,
2016/9/21, JPS 2016, Miyazaki(Poster)

1. “Indirect Search of WIMP Dark Matter at Future 100 TeV Collider (Poster)”,
2018/8/9, PPP 2018, Kyoto
2. “Bottom Tau Uniﬁcation in Supersymmetric Models (Poster)”, 2017/8/3, PPP
2017, Kyoto
Poster Presentations at International Summer Schools
1. “Decay Rate of the Electroweak Vacuum in the Standard Model and Beyond”,
2018/7/12, Cargese Summer School 2018, Kyoto
2. “Bottom Tau Uniﬁcation in Supersymmetric Models (Poster)”, 2017/7/4, Les
Houches Summer School 2017, Kyoto

8