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Syuhei
   Iguro
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Basics​
Name in full (Japanese): Syuhei Iguro (井黒 就平)
e-mail: igurosyuhei(at)gmail.com, iguro(at)eken.phys.nagoya-u.ac.jp
​Occupation: Particle physicist (素粒子物理学者)
Affiliation: Kobayashi-Maskawa Institute/Institute for Advanced Research (Nagoya-U), and                                        KEK (joint-appointed)
Present position: 5-years Postdoc
Link: Inspire HEP​, Google Scholar
Sex: Male
Nationality: Japan
Date of birth: July 17, 1992
Birth place: Japan, Tokyo
Marital status: married, a wife
Interests: Flavor, Collider, Dark Matter, Neutrino, Axion Like Particle, Grand Unified Theory,,,,,,,,,
Current ambition: Keep writing more than 5 papers per year,  tackle new subjects each year and organize interesting workshops to unite theory-experiment!
                            2017: B anomaly & 2HDM,
                            2018: muon g-2 & collider physics & right handed neutrino   
                            2019: Kaon CP violation
                            2020: Light particles & Vcb determination (SM precision),
                            2021: Leptoquark model building & Rescattering & Cosmic ray, 
                            2022: Dark matter & Di-Higgs production,  
                            2023: FCC-ee flavor physics & Electric Dipole Moment,
                            2024: Electroweak precision at future colliders & Charm CP violation,
                            2025: b→c heavy quark sum rule & Supernovae,                     
Previous ambition: 10 papers before the Tokyo Olympic(more than half of them is originated from my idea), and get many grants <- Clear!
What's I like: Playing Football, travel cycling (see, my FB for the trip around the main island of Japan)

Academic career

2018 Oct. - 2019 Mar.  Research assistant @ Nagoya University
2019 Apr. - 2021 Mar.   JSPS young research fellow @ Nagoya University
2019 Aug. - 2019 Nov.  Visitor @ Michigan State University
2020 Jul. - 2020 Nov.   Visitor @ KEK
2021 Apr. - 2021 Sep.    Postdoc @  IPMU   University of Tokyo
2021 Oct. - 2024 Mar.   Postdoc  @ Karlsruhe Institute of Technology  
2024 Apr. - 2029 Mar.  Assistant Professor @ Kobayashi-Maskawa Institute, Nagoya University
2024 Apr. - 2025 Mar.  Joint-appointed Assistant Professor @ KEK

Publication -papers-

​

Link to my InspireHEP

​

44. With Andreas Crivellin, Teppei Kitahara,

2505.05552 : "Correlating the B anomalies to K→πννˉ and B→Kννˉ via leptoquarks"

​

43. With Motoi Endo, Satoshi Mishima, Ryoutaro Watanabe,

2501.09382, published in JHEP 05 (2025) 112​: "Heavy quark symmetry behind b→c semileptonic sum rule"

​​

42. With Varun Mathur, Ian M. Shoemaker and Volodymyr Takhistov,

2412.15132 accepted by JCAP: "Cosmology-Independent Constraints on Irreducible Magnetic Monopole Background"

​

41. With Ryoutaro Watanabe, Ya-Dong Yang, Xin-Qiang Li and Wen-Feng Duan,

2410.21384: "Sum rules for semi-leptonic b → c and b → u decays: accuracy checks and implications"

​

40. With Andreas Crivellin, Tomas. E. Gonzalo, Cristian Sierra and Peter Athron,

2410.10493, published in JHEP 11 (2024) 133​: "Global fit to the 2HDM with generic sources of flavour violation using GAMBIT"

​

39. With Ulrich Nierste,  Emil Overduin and Maurice Schüßler

2408.03227, published in Phys. Rev. D 111 (2025) 3, 035023​: "SU(3) flavor sum rules for CP asymmetry of D(s) decays"

​

38. With Lisong Chen and Yu Hamada

2406.04500: "Determining Weak-Mixing Angle at μTRISTAN"

​

37. With Teppei Kitahara and Ryoutaro Watanabe

2405.06062, published in Phys. Rev. D 110 (2024) 7, 7: "Global fit to b→cτν anomaly 2024 Spring breeze"

​

36. With Andreas Crivellin

2311.04062, published in Phys.Rev.D 110 (2024) 1, 015014: "Accumulating Hints for Flavour Violating Higgses at the Electroweak Scale"

​

35. With Shohei Okawa, Ryo Higuchi, Yuji Omura

2310.13685, published in Phys. Rev. D 10(2024)7, 075007: "Light mass window of inert doublet dark matter with lepton portal interaction"

​

34. With Teppei Kitahara

2307.11751, published in Phys. Rev. D 110 (2024) 7, 7: "ElectricDipole Moments as Probes of B Anomaly"

​

33. With Yuji Omura

2306.00052, published in JHEP 11 (2023) 084: "A closer look at isodoublet vector leptoquark solution to RD, RD* anomaly"

 

32. With Marco Fedele, Monika Blanke, Andreas Crivellin, Ulrich Nierste, Silvano Simula, Ludovico Vittorio

2305.15457, published in Phys. Rev. D 108, 055037: "Discriminating B→D*ℓν form factors via polarization observables and asymmetries"

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31. With Marco Fedele, Clément Helsens, Donal Hill,  Markus Klute, Xunwu Zuo

2305.02998, published in Eur.Phys.J.C 84(2024)1,87​: "Prospects for Bc and B → τ +ντ at FCC-ee"

​

​30. Short review paper! with Michihisa Takeuchi, Martin S. Lang, Teppei Kitahara,

2304.09887, published in Phys.ReV.D 108 (2023)11,11: "Current Status of the Muon g-2 Interpretations within Two-Higgs-Doublet Models" 

​​​

​29. With Sumit. Banik, Andreas. Crivellin, Teppei. Kitahara,

2303.11351, published in Phys.Rev.D 108 (2023) 7, 075011: "Asymmetric Di-Higgs Signals of the N2HDM-U(1)" 

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28. Solo paper!

 2302.08935, published in Phys. Rev. D 107 (2023) 9, 095004: "Coup de grace to the charged Higgs solution of P5' and R_D^(*) discrepancies"

​

27. With Marco Fedele, Ulrich Nierste, Monika Blanke, Andreas Crivellin, Teppei Kitahara, Ryoutaro Watanabe

 2211.14172, published in Phys. Rev. D 107 (2023) 5, 055005: "Impact of Λb→Λc τ ν measurement on New Physics in b→Λc l ν transitions"

​

26. With Teppei Kitahara, Yuji Omura, Hantian Zhang

 2211.00011, published in Phys. Rev. D 107 (2023) 7, 075017: "Chasing the two-Higgs doublet model in the di-Higgs production"

​

25. With Monika Blanke 

2210.13508, published in Phys. Rev. D 107 (2023) 9.095024: "Collider probe of heavy additional Higgs bosons solving the muon g-2 and dark matter problems" 

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24. With Teppei Kitahara, Ryoutaro Watanabe 

2210.10751: "Global fit to b→cτν anomalies 2022 mid-autumn"

​

23. With Shohei Okawa, Yuji Omura

2208.05487, published in JHEP 03 (2023) 010​: "Light lepton portal dark matter meets the LHC"

​

22. With Teppei Kitahara, Yuji Omura

2205.03187, published in Eur. Phys. J. C 82, no.11, 1053 (2022): "Scrutinizing the 95-100 GeV di-tau excess in the top associated process"

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21. With Monika Blanke, Hantian Zhang

2202.10468, published in JHEP 06 (2022) 043: "​Towards  ruling out the charged Higgs interpretation of the R_D^(*) anomaly"

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20. Solo paper!

2201.06565, published in Phys. Rev. D 105 (2022) 9 095011: "Revival of H- interpretation of R_D^(*) anomaly and closing low mass window​"

​

19. With Junichiro Kawamura, Yuji Omura, Shohei Okawa

2201.04638, published in JHEP 07 (2022) 022: "Importance of vector leptoquark-scalar box diagrams in Pati-Salam unification with vector-like families​"

​

18. With Ryan Plestid, Volodymyr Takhistov

2111.12091, published in  Phys. Rev. Lett. 128, 201101: "Monopoles From an Atmospheric Collider​"

​

17. With Motoi Endo, Teppei Kitahara, Ryoutaro Watanabe, Michihisa Takeuchi

2111.04748, published in JHEP 02 (2022) 106: "Non-resonant new physics search at the LHC for the b→cτν anomalies​"

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16. With Satoshi Mishima, Motoi Endo

2109.10811, published in JHEP 01 (2022) 147: "Revisiting rescattering contributions to B_(s)→ D^(*)_(s) M decays​"

​

15. With Junichiro Kawamura, Yuji Omura, Yoshihiro Shigekami 

2103.12712, published in JHEP 06 (2021) 125: "Higgs flavor phenomenology in a supersymmetric left-right model with parity​"

​

14. With Junichiro Kawamura, Yuji Omura, Shohei Okawa

2103.11889, published in Phys.Rev.D 104 (2021) 7, 075008: "TeV-scale vector leptoquark from Pati-Salam unification with vectorlike families"

​

13. With Michihisa Takeuchi and Ryoutaro Watanabe

2011.02486, published in Eur.Phys.J.C 81 (2021) 5, 406: "Testing Leptoquark/EFT in B→D^(*) l ν at the LHC"

​

12. With Teppei Kitahara

2008.01086, published in PRD rapid communication PRD 102 (2020)7,071701​: "Implications for new physics from novel puzzle in B_(s) → D^(*)_(s) { π ^-, K^- } decays"

​

11. With Ryutaro Watanabe

 2004.10208, published in JHEP 08 (2020) 08 008: ''Bayesian fit analysis to full distribution data of B→D^(*)ℓν: |Vcb| determination and New Physics constraints''

​

10. With Michihisa Takeuchi, Yuji Omura

 2002.12728, published in JHEP 09 (2020) 144: ''Probing μτ flavor-violating solutions for the muon g−2 anomaly at Belle II''

​

9. With Motoi Endo, Teppei Kitahara

 2002.05948, published in JHEP 06 (2020) 040: "Probing eμ flavor-violating ALP at Belle II"

​

8. With Kirtimaan A. Mohan, C.-P. Yuan

 2001.09079, published in PRD 101 (2020) 7, 075011: "Detecting a μτ-philic Z' boson via photon initiated processes at the LHC"

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7. With Michihisa Takeuchi, Yuji Omura

 1907.09845, published in JHEP 1911  (2019)  130: "Testing the 2HDM explanation of the muon g-2 anomaly at the LHC"

​

6. With  Yuji Omura

 1905.11778, published in JHEP 08 (2019) 098: "The direct CP violation in a general two Higgs doublet model"

​

5. With  Teppei Kitahara, Ryotaro Watanabe, Yuji Omura, Kei Yamamoto

 1811.08899, published in JHEP 1902 (2019) 194: "D* polarization vs. R(D^(*)) anomalies in the leptoquark models"

​

4. With Michihisa Takeuchi, Yuji Omura

 1810.05843, published in PRD 99, 075013 (2019): "Test of the R(D^(*)) anomaly at the LHC"

​

3. With Yuji Omura, Yoshihiro Shigekami, Yu Muramatsu

 1804.07478, published in JHEP 1811 (2018) 046: "Flavor physics in the multi-Higgs doublet models induced by the left-right symmetry"

​

2. With Yuji Omura

 1802.01732, published in JHEP 1805 (2018) 173: "Status of the semileptonic B decays and muon g-2 in general 2HDMs with right-handed neutrinos"

​

1. With Kazuhiro Tobe

 1708.07176, published in Nucl.Phys. B925 (2017) 560-606: "R(D^(*)) in a general two Higgs doublet model"


Publication -proceedings-

​5. "Flavor anomalies meet the LHC" in Flavor changing and conserving processes2022@Capri
​
4. "Interplay between the RD(*) anomaly and the LHC" in Moriond 2022 QCD@Italy

3. "NP in B^0_(s) -> D^(*)_(s) K / pi" in CKM2021@Melbourne (online)

2. "Test of the R(D(*)) anomaly at the LHC" in KMI symposium 2019@Nagoya

1. "Status of the semileptonic B decays and muon g-2 in a Type-III 2HDM with right-handed neutrinos"  ICHEP2018@Seoul South Korea

Presentation 

76. Seminar (Invited) @Osaka University

75. Higgs as a Probe of New Physics 2025 @Osaka University

74. B physics workshop (Invited) @Iwate University

73. Belle II Japan future plan meeting (Invited) @Nagano

72. Particle physics of the next generation (Invited) @Kyoto YITP

71. KMI symposium 2025@Nagoya

70. KEK phenomenology 2025@Tsukuba

69. Seminar (Invited)  @Osaka University

68. Seminar (Invited) @Shinsyu University

67. Status of Flavor Anomalies and Future of Belle II @Nagoya KMI

66. Japan-US-Taiwan Particle Physics Workshop (Invited) @Taipei, Taiwan

65. KEK arrival journal club (Invited) @KEK

64. Theory-Experiments Assembly (TEA) @Nagoya University

63. 2nd Kick-off meeting of ”Exploration of the particle physics frontier at the Super B-factory and cultivation of young researchers" (Invited)  @KEK

62. Theory-Experiments Assembly (TEA) @Nagoya University

61.  Seminar (Invited) @Nagoya University

60. Flavor Physics Workshop 2023 (Invited) @Atami, Japan

59. 12th International Workshop on the CKM Unitarity Triangle (Invited) @Santiago de Compostela, Spain

58. Matter and the Universe 2023  @ KIT Campus North

57. Seminar (Invited) @Universitat de Barcelona Espana

56. Alpine Particle physics Symposium (Invited) @Obergurgl, Austria

55. TTP Seminar (Invited) @ KIT on black boards

54. Flavor changing and conserving processes 2022 (Invited) @Capri, Italy & heavenly stay

53. Interplay between Particle and Astroparticle physics 2022 (Invited) @Wien, Austria

52. IBS and KMI joint workshop 2022(Invited) @IBS-KMI (online)

51.  Invisibles 2022 (Invited) @Orsay, France

50. Seminar (Invited) @Nagoya University

49. 25th meeting on physics at B factories  (Invited) @KEK

48. Recontres de Moriond QCD session 2022 (Invited) @La Thuie, Italy
47. Seminar (Invited) @Universitat de Barcelona Spain (finally on site  (^ - ^)  & heavenly stay)

46. 11th International Workshop on the CKM Unitarity Triangle (Invited) @ Melbourne online

45. Implications of LHCb measurements and future prospects (Invited) @ CERN online

44. TTP Seminar (Invited) @ KIT on black boards

43. Seminar (Invited) @ Kyushu University online

42. New Tera Scale Workshop (Invited) @ online

41.  Seminar (invited) @ Saitama University

40. Belle II student meeting  (determination of exclusive Vcb, Invited) 2021 @ online

39. IPMU pheno journal club/lunch (Invited)  2021 @ online

38. ILC Summer Camp (Invited) 2020 @ online

37. Japan Physics Society Meeting 2020@ Tsukuba University (online)

36. Seminar (invited) @Tohoku University

35. New Physics at Low Energy Scale 2020@ Miyazaki canceled (CDVID-19)

34. Japan Physics Society Meeting 2020@ Nagoya

33. KEK Phenomenology 2020@ Tsukuba

32. Seminar (invited) @ University of Tokyo

31. New Higgs Working Group 27th Meeting (invited) @ Osaka

30. Seminar (invited) @ KEK

29. Seminar (invited) @ Hokkaido University

28. Seminar (invited) @Michigan State University 

27. International Summer Institute on Phenomenology of Elementary Particles and Cosmology  2019@Gangneung, South Korea

26. YONUPA Summer School 2019@Siga

25. Progress in Particle Physics 2019@Kyoto

24. KAIST-KAIX Workshop for Future Particle Accelerators 2019@Daejeon, South Korea

23. Japan Physics Society Meeting 2019@Fukuoka

22. KMI School: Matter Antimatter 2019@Nagoya

21.  KMI symposium 2019@Nagoya

20. KEK Phenomenology 2018 winter@Tsukuba

19. Higgs Coupling 2018@Ryogoku

18. Hints for New Physics in Heavy Flavors (invited) 2018@Nagoya

17. Flavor Physics Workshop 2018@Kashiwa

16. Nagoya-Osaka summer camp 2018@Nagoya

15. Progress in Particle Physics 2018@Kyoto

14. New Tera Scale Workshop (invited) 2018@Nagoya 

13. ICHEP 2018 in SEOUL 2018@Seoul, South Korea

12. Seminar to stimulate potential research collaboration between Physics Depts at University of Western Australia and Nagoya Uni/SKA 12, Japan project 2018 (invited)  @Nagoya

11. Japan Physics Society Meeting 2018@Noda

10. KMI School:Dark Matter 2018@Nagoya 

9. KEK Phenomenology 2018 spring@Tsukuba

8. Flavor Physics Workshop 2017@Miura

7. Workshop on Beyond Standard Model and the Early Universe 2017@Sendai

6. YONUPA Summer School 2017@Tokyo

5. Progress in Particle Physics  2017@Kyoto

4. High Energy Spring School 2017@Siga

3. Japan Physics Society Meeting 2017@Osaka

2. Flavor Physics Workshop 2016@Iwamuro

1. YONUPA Summer School 2016@Nagano

Grants 

​​

  • Toyoaki Scholarship Foundation Research grant 2025-2027  2,000,000JPY 

  • KMI grant for young researcher  850,000JPY

  • KMI visitor program (Ryoutaro Watanabe), Approx. 300,000JPY

  • Research grant from 22K21347, Approx. 700,000JPY for computational resource

  • Japan Society for the Promotion of Science (JSPS) Start up No. 24K22879 2024-2025, 2,860,000JPY

  • YLC start up grant 400,000JPY

  • Connecting Young Scientists at Karlsruhe Institute of Technology, grant for inviting a collaborator (Ryoutaro Watanabe), 1700 Euros

  • Japan Society for the Promotion of Science (JSPS) Research Fellowships for Young Scientists 2019~2021 No. 19J10980 (1,200,000JPY for 2019 and 1,100,000JPY for 2020)

  • Toyoaki Scholarship Foundation Overseas travel expenses support 2018 2000 USD

  • KMI overseas dispatch for young researchers at Michigan State University  2019 from Aug. to Nov., 700,000JPY

Award

  • Nomination for Ikushi prize

  • Academic incentive award of Nagoya university 2020  (The best student in Science and Engineering)

  • Best poster award @KMI Dark Matter School 2018 

  • Dean's award for the Master course @Graduate School of Science of Nagoya University 2018 

  • Repayment Exemption (all of loan for Students with Excellent Grades, Japan Student Services Organization (JASSO) interest-free scholarship M1~M2) 

  • Repayment Exemption (all of loan for Students with Excellent Grades, Japan Student Services Organization (JASSO) interest-free scholarship D1) 

Press release

Education

  • March 2016 Bachelor of Science in Physics  Nagoya University, Nagoya Japan

  • March 2018 Master of Science in Physics  Nagoya University, Nagoya Japan

  • March 2021 Doctor of Science in Physics  Nagoya University, Nagoya Japan

Outreach & Comentary

Supervision

Master: Tatsuhiko Kondo 2025 "Phenomenology of scalar leptoquark contributing to b→clν"

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Sub supervision

Bachelors:

・Andro Groseta 2024 "Mixing-Induced Charge-Parity Asymmetries in D-meson mixing"

・Ben Rott 2023 "Energy spectrum of a pion decay into electron, neutrino and a Majoron''

・Emil Overduin 2022 "Charge-Parity Asymmetries of Charmed Meson Decays to Pseudoscalar meson" 

・Maurice Schüßler 2022 "Charge-Parity Asymmetries of Charmed Meson Decays to Pseudoscalar-Vector meson" 

・Philipp Goller 2022 "Light New Particles in Beta Decay Calculation of the Beta Decay with an additional scalar coupling to the majorana neutrino"

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Lectures

"Introduction to collider physics" 2024 @Nagoya University, theoretical particle physics lab

"Easy collider tutorial" 2022 @Kindai University, theoretical particle physics lab

"lecture on B meson mixings" 2021 to Belle II students @ KEK (online)

Organizing

"Particle physics of the next generation" series 2025~ @Kyoto YITP

"KMI symposium 2025" 2025 3/5~7 @KMI, Nagoya

"Flavor Physics Workshop 2024" 2024 12/2~5 @Gamagori, Aichi

"Status of Flavor Anomalies and Future of Belle II" 2024 8/6, 7 @Nagoya, Aichi

"Theory-Experiments Assembly (TEA)" 2024 April ~ @KMI, Nagoya

"Discrete 2022" 2022 11/7-11 @ Baden-Baden Germany

"Nagoya-Osaka joint workshop" 2018 9/25~27 @Nagoya

E-lab seminar @ Nagoya U 2024~

B-lunch (Theory(TTP)-Experiment(ETP) joint lunch) @ KIT 2024

BSM seminar @ KIT 2022, 2023

APEC (Astro Particle Experimental Cosmo) seminar series at Kavli IPMU 2021

Experience of Teaching Assistant

  • Study counselor for undergraduate students 2016~2017

  • Adviser of seminar on General Relativity for B1 students 2017

  • Tutor of "Electromagnetism I" for B1 students 2017~2018

  • Study counsellor for undergraduate students 2018~2019

​Links  

・Old Japanese Page:日本語のページ

・Theoretical Particle Physics Group of Nagoya University

・KEK Theory center

・Kavli Institute for the Physics and Mathematics of the Universe (IPMU)

・High Energy Physics Theory Group of Michigan State University

・Institute for Theoretical Particle Physics Karlsruhe Institute of Technology

・Kobayashi-Maskawa Institute for the Origin of Particles and the Universe 

​・mysite

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