Faculty at School of Natural Sciences

Kenji Nishiwaki

Kenji Nishiwaki

Assistant Professor


Contact Information

Particle Physics Phenomenology (model building, flavour physics, collider physics, dark matter, wave-packet formulation for quantum scattering, and applications of gradient flow)

2011, Doctor of Science (Ph.D. in Physics), Kobe University

2008, Master of Science (in Physics), Kobe University

2006, Bachelor of Science (in Physics), Kobe University

11/19-Present
Assistant Professor, Department of Physics, School of Natural Sciences, Shiv Nadar Institution of Eminence (SNIoE), Delhi-NCR

9/18-10/19
Postdoctoral Fellow, Division of Theoretical Physics, Ruđer Bošković Institute, Zagreb, Croatia

10/14-9/18
Research Fellow, Korea Institute for Advanced Study (KIAS), Seoul, Republic of Korea

10/11-9/14
Postdoctoral Fellow, Regional Centre for Accelerator-based Particle Physics, Harish-Chandra Research Institute (HRI), Prayagraj

4/11-9/11
Cooperative Postdoc Researcher, Department of Physics, Kobe University, Japan

  1. Kengo Kikuchi, Kenji Nishiwaki, and Kin-ya Oda, “Gradient-flowed order parameter for spontaneous gauge symmetry breaking”, Eur.Phys.J.C 83 (2023) 6, 462, https://doi.org/10.1140/epjc/s10052-023-11553-4.
  2. Kenzo Ishikawa, Kenji Nishiwaki, and Kin-ya Oda, “Scalar scattering amplitude in Gaussian wave-packet formalism”, Prog. Theor. Exp. Phys. 2020 10 (2020) 103B04, https://doi.org/10.1093/ptep/ptaa127.
  3. Yukihiro Fujimoto, Kouhei Hasegawa, Kenji Nishiwaki, Makoto Sakamoto, Kazunori Takenaga, Pedro Hugo Tanaka, and Inori Ueba, “Dynamical generation of quark/lepton mass hierarchy in an extra dimension”, Prog. Theor. Exp. Phys. 2019 12 (2019) 123B02, https://doi.org/10.1093/ptep/ptz118.
  4. Yukihiro Fujimoto, Kouhei Hasegawa, Kenji Nishiwaki, Makoto Sakamoto, Kentaro Tatsumi, and Inori Ueba, “Extended supersymmetry with central charges in higher dimensional Dirac action”, Phys. Rev. D99 (2019) 065002, https://doi.org/10.1103/PhysRevD.99.065002.
  5. Shinya Matsuzaki, Kenji Nishiwaki, and Kei Yamamoto, “Simultaneous interpretation of K and B anomalies in terms of chiral-flavorful vectors”, JHEP 1811 (2018) 164, https://doi.org/10.1007/JHEP11(2018)164.
  6. Yukihiro Fujimoto, Kouhei Hasegawa, Kenji Nishiwaki, Makoto Sakamoto, Kentaro Tatsumi, and Inori Ueba, “Extended supersymmetry in Dirac action with extra dimensions”, J. Phys. A: Math. Theor. 51 (2018) 435201, https://doi.org/10.1088/1751-8121/aadea2.
  7. Makoto Ishida, Kenji Nishiwaki, and Yoshiyuki Tatsuta, “Seesaw mechanism in magnetic compactifications”, JHEP 1807 (2018) 125, https://doi.org/10.1007/JHEP07(2018)125.
  8. Yukihiro Fujimoto, Takashi Miura, Kenji Nishiwaki, and Makoto Sakamoto, “Dynamical generation of fermion mass hierarchy in an extra dimension”, Phys. Rev. D97 (2018) 115039, https://doi.org/10.1103/PhysRevD.97.115039.
  9. Shinya Matsuzaki, Kenji Nishiwaki, and Ryoutaro Watanabe, “Phenomenology of flavorful composite vector bosons in light of B anomalies”, JHEP 1708 (2017) 145, https://doi.org/10.1007/JHEP08(2017)145.
  10. Makoto Ishida, Kenji Nishiwaki, and Yoshiyuki Tatsuta, “Brane-localized masses in magnetic compactifications”, Phys. Rev. D95 (2017) no.9, 095036, https://doi.org/10.1103/PhysRevD.95.095036.
  11. Koji Nakamura, Kenji Nishiwaki, Kin-ya Oda, Seong Chan Park, and Yasuhiro Yamamoto, “Di-higgs enhancement by neutral scalar as probe of new colored sector”, Eur. Phys. J. C77 (2017) no.5, 273, https://doi.org/10.1140/epjc/s10052-017-4835-4.
  12. Tatsuo Kobayashi, Kenji Nishiwaki, and Yoshiyuki Tatsuta, “CP-violating phase on magnetized toroidal orbifolds”, JHEP 1704 (2017) 080, https://doi.org/10.1007/JHEP04(2017)080.
  13. Yukihiro Fujimoto, Kouhei Hasegawa, Kenji Nishiwaki, Makoto Sakamoto, and Kentaro Tat- sumi, “Supersymmetry in the 6D Dirac action”, PTEP 2017 no.7 (2017) 073B03, https://doi.org/10.1093/ptep/ptx092.
  14. Yukihiro Fujimoto, Kouhei Hasegawa, Kenji Nishiwaki, Makoto Sakamoto, and Kentaro Tatsumi, “6d Dirac fermion on a rectangle; scrutinizing boundary conditions, mode functions and spectrum”, Nucl. Phys. B922 (2017) 186-225, https://doi.org/10.1016/j.nuclphysb.2017.06.024.
  15. Yukihiro Fujimoto, Tatsuo Kobayashi, Kenji Nishiwaki, Makoto Sakamoto, and Yoshiyuki Tatsuta, “Comprehensive analysis of Yukawa hierarchies on T2/ZN with magnetic fluxes”, Phys. Rev. D94 (2016) 035031, https://doi.org/10.1103/PhysRevD.94.035031.
  16. Béranger Dumont, Kenji Nishiwaki, and Ryoutaro Watanabe, “LHC constraints and prospects for S1 scalar leptoquark explaining the B → D Phys. Rev. D94 (2016) 034001, https://doi.org/10.1103/PhysRevD.94.034001.
  17. Kenji Nishiwaki, Yusuke Shimizu, and Yoshiyuki Tatsuta, “Double Froggatt–Nielsen mechanism”, PTEP 2016 no.8 (2016) 083B05, https://doi.org/10.1093/ptep/ptw112.
  18. Yukihiro Fujimoto, K. Hasegawa, Tomoaki Nagasawa, Kenji Nishiwaki, Makoto Sakamoto, and Kentaro Tatsumi, “Active Dirac neutrinos via SU(2)L doublets in 5d”, JHEP 1606 (2016) 178, https://doi.org/10.1007/JHEP06(2016)178.
  19. Shinya Kanemura, Kenji Nishiwaki, Hiroshi Okada, Yuta Orikasa, Seong Chan Park, and Ryoutaro Watanabe, “LHC 750GeV diphoton excess in a radiative seesaw model”, PTEP 2016 no.12 (2016) 123B04, https://doi.org/10.1093/ptep/ptw164.
  20. Seungwon Baek, and Kenji Nishiwaki, “Leptoquark explanation of h → μτ and muon (g − 2)”, Phys. Rev. D93 (2016) 015002, https://doi.org/10.1103/PhysRevD.93.015002.
  21. Kenji Nishiwaki, Hiroshi Okada, and Yuta Orikasa, “Three loop neutrino model with isolated k±±”, Phys. Rev. D92 (2015) 093013, https://doi.org/10.1103/PhysRevD.92.093013.
  22. Tomo-hiro Abe, Yukihiro Fujimoto, Tatsuo Kobayashi, Takashi Miura, Kenji Nishiwaki, Makoto Sakamoto, and Yoshiyuki Tatsuta, “Classification of three-generation models on magnetized orbifolds”, Nucl. Phys. B894 (2015) 374-406, https://doi.org/10.1016/j.nuclphysb.2015.03.004.
  23. Hisaki Hatanaka, Kenji Nishiwaki, Hiroshi Okada, and Yuta Orikasa, “A Three-Loop Neutrino Model with Global U(1) Symmetry”, Nucl. Phys. B894 (2015) 268-283, https://doi.org/10.1016/j.nuclphysb.2015.03.006.
  24. Tomo-hiro Abe, Yukihiro Fujimoto, Tatsuo Kobayashi, Takashi Miura, Kenji Nishiwaki, and Makoto Sakamoto, “Operator analysis of physical states on magnetized T2/ZN orbifolds”, Nucl. Phys. B890 (2015) 442-480, https://doi.org/10.1016/j.nuclphysb.2014.11.022.
  25. Hideto Dohi, Takuya Kakuda, Kenji Nishiwaki, Kin-ya Oda, and Naoya Okuda, “Notes on sphere-based universal extra dimensions”, Afr. Rev. Phys. 9 (2014) 0066, http://www.aphysrev.org/index.php/aphysrev/article/view/1023/412.pdf.
  26. Yukihiro Fujimoto, Kenji Nishiwaki, Makoto Sakamoto, and Ryo Takahashi, “Realization of lepton masses and mixing angles from point interactions in an extra dimension”, JHEP 1410 (2014) 191, https://doi.org/10.1007/JHEP10(2014)191.
  27. AseshKrishna Datta, Kenji Nishiwaki, and Saurabh Niyogi, “Non-minimal Universal Extra Dimensions with Brane Local Terms: The Top Quark Sector”, JHEP 1401 (2014) 104, https://doi.org/10.1007/JHEP01(2014)104.
  28. Kenji Nishiwaki, Saurabh Niyogi, and Ambresh Shivaji, “ttH Anomalous Coupling in Double Higgs Production”, JHEP 1404 (2014) 011, https://doi.org/10.1007/JHEP04(2014)011.
  29. Tomo-hiro Abe, Yukihiro Fujimoto, Tatsuo Kobayashi, Takashi Miura, Kenji Nishiwaki, and Makoto Sakamoto, “ZN twisted orbifold models with magnetic flux”, JHEP 1401 (2014) 065, https://doi.org/10.1007/JHEP01(2014)065.
  30. Takuya Kakuda, Kenji Nishiwaki, Kin-ya Oda, and Ryoutaro Watanabe, “Universal extra dimensions after Higgs discovery”, Phys. Rev. D88 (2013) 035007, https://doi.org/10.1103/PhysRevD.88.035007.
  31. Yukihiro Fujimoto, Tatsuo Kobayashi, Takashi Miura, Kenji Nishiwaki, and Makoto Sakamoto, “Shifted orbifold models with magnetic flux”, Phys. Rev. D87 (2013) 086001, https://doi.org/10.1103/PhysRevD.87.086001.
  32. Yukihiro Fujimoto, Kenji Nishiwaki, and Makoto Sakamoto, “CP phase from twisted Higgs vacuum expectation value in extra dimension”, Phys. Rev. D88 (2013) 115007, https://doi.org/10.1103/PhysRevD.88.115007.
  33. Yukihiro Fujimoto, Tomoaki Nagasawa, Kenji Nishiwaki, and Makoto Sakamoto, “Quark mass hierarchy and mixing via geometry of extra dimension with point interactions”, PTEP (2013) 023B07, https://doi.org/10.1093/ptep/pts097.
  34. Asesh Krishna Datta, Kenji Nishiwaki, and Saurabh Niyogi, “Non-minimal Universal Extra Dimensions: The Strongly Interacting Sector at the Large Hadron Collider”, JHEP 1211 (2012) 154, https://doi.org/10.1007/JHEP11(2012)154.
  35. Kenji Nishiwaki, Kin-ya Oda, Naoya Okuda, and Ryoutaro Watanabe, “Heavy Higgs at Tevatron and LHC in Universal Extra Dimension Models”, Phys. Rev. D85 (2012) 035026, https://doi.org/10.1103/PhysRevD.85.035026.
  36. Kenji Nishiwaki, Kin-ya Oda, Naoya Okuda, and Ryoutaro Watanabe, “A bound on Universal Extra Dimension Models from up to 2fb−1 of LHC Data at 7TeV”, Phys. Lett. B707 (2012) 506-511, https://doi.org/10.1016/j.physletb.2011.12.061.
  37. Kenji Nishiwaki, “Higgs production and decay processes via loop diagrams in various 6D Universal Extra Dimension Models at LHC”, JHEP 1205 (2012) 111, https://doi.org/10.1007/JHEP05(2012)111.
  38. Kenji Nishiwaki, and Kin-ya Oda, “Unitarity in Dirichlet Higgs Model”, Eur. Phys. J. C71 (2011) 1786, https://doi.org/10.1140/epjc/s10052-011-1786-z.
  39. C. S. Lim, Nobuhito Maru, and Kenji Nishiwaki, “CP Violation due to Compactification”, Phys. Rev. D81 (2010) 076006, https://doi.org/10.1103/PhysRevD.81.076006.

  1. Shinya Matsuzaki, Kenji Nishiwaki, and Yei Yamamoto, “Simultaneous explanation of K and B anomalies in vectorlike compositeness”, Proceedings of the Corfu Summer Institute 2018 “School and Workshops on Elementary Particle Physics and Gravity,” (CORFU2018) 31 August - 28 September 2018, Corfu, Greece, https://doi.org/10.22323/1.347.0031.
  2. Kenji Nishiwaki, “Vector-like compositeness meets B-physics RK(∗) anomaly”, Proceedings of the Corfu Summer Institute 2017 ’School and Workshops on Elementary Particle Physics and Gravity,’ https://doi.org/10.22323/1.318.0082.
  3. AseshKrishna Datta, Kenji Nishiwaki, and Saurabh Niyogi, “Z′ search in non-minimal Universal Extra Dimensions: two bumps and interference”, Proceedings of the 2nd Toyama Workshop on “Higgs as a Probe of New Physics 2015” (HPNP2015), 11-15 February 2015, Toyama University, Japan, https://arxiv.org/pdf/1504.07946.
  4. Yukihiro Fujimoto, Kenji Nishiwaki, Makoto Sakamoto, and Ryo Takahashi, “Realization of the Lepton Flavor Structure from Point Interactions”, Proceedings of 3rd International Conference on New Frontiers in Physics (ICNFP 2014), 28 July to 6 August 2014, Crete, Greece, https://doi.org/10.1051/epjconf/20159504022.
  5. Takuya Kakuda, Kenji Nishiwaki, Kin-ya Oda, and Ryoutaro Watanabe, “Constraint on Universal Extra Dimensions from scalar boson searches”, Proceedings of Rencontres de Moriond EW 2013, 2–9 March 2013, La Thuile, Italy, https://arxiv.org/pdf/1305.1874.
  6. Takuya Kakuda, Kenji Nishiwaki, Kin-ya Oda, Naoya Okuda, and Ryoutaro Watanabe, “Phenomenological constraints on universal extra dimensions at LHC and electroweak precision test”, Proceedings of Toyama International Workshop on Higgs as a Probe of New Physics 2013 (HPNP2013), 13–16 February 2013, Toyama, Japan, https://arxiv.org/pdf/1304.6362.
  7. Yukihiro Fujimoto, Kenji Nishiwaki, and Makoto Sakamoto, “CP phase from Higgs’s boundary condition”, Proceedings of Toyama International Workshop on Higgs as a Probe of New Physics 2013 (HPNP2013), 13–16 February 2013, Toyama, Japan, http://www.slac.stanford.edu/econf/C130213.1/pdfs/fujimoto.pdf.
  8. Takuya Kakuda, Kenji Nishiwaki, Kin-ya Oda, Naoya Okuda, and Ryoutaro Watanabe, “Higgs at ILC in Universal Extra Dimensions in Light of Recent LHC Data”, Proceedings of International Linear Collider Workshop (LCWS11), 26–30 September 2011, Granada, Spain, https://arxiv.org/pdf/1202.6231.
  9. Kenji Nishiwaki, “Unitarity and BRST invariance in Dirichlet Higgs Model”, Proceedings of the poster presentation at the workshop “Progress in Particle Physics 2011” at Kyoto University, Kyoto, 8 March 2011, https://doi.org/10.24532/soken.119.3_C40.
  10. C.S. Lim, Nobuhito Maru, Kenji Nishiwaki, “CP-violation in higher dimensional gauge theory from the complex structure of extra dimensions”, Proceedings of the poster presentation at workshop “QFT and String Theory”, Yukawa Institute for Theoretical Physics, Kyoto, 7 July 2009, https://doi.org/10.24532/soken.117.6_F58.

  • Kenji Nishiwaki, “Is the order a new particle? — a chronicle of the LHC 750 GeV anomaly — (translated title)”, Invited article in Japanese, HIGH ENERGY NEWS issued by Japan Association of High Energy Physicists (JAHEP), Vol.35 No.3 2016/10.11.12 185–190, https://www.jahep.org/hepnews/2016/16-3-7-705GeV.pdf

  1. “An Introduction to the SM fermion flavor structure”, Two-hour invited lecture, Kobe University, Kobe, Japan, 25 September 2019.
  2. “Into the Flavor Physics: a crash course for recent anomalies”, Two one-hour invited lectures as the 2nd Snail lecture at Yonsei University: RD, RD∗, RK, RK∗ anomalies, Yonsei University, Seoul, Republic of Korea, 30 June 2017.

  1. “A guide to wave-packet quantum mechanics”, Invited seminar (1 hour) in the Theoretical Physics Laboratory, Tokyo Woman’s University in Japan, 22 July 2022.
  2. “Beyond the plane-wave transitions by wave packets: anomalous kinetic effect in quarkonium decays”, Invited seminar (1 hour) in Department of Physics, Tokyo Institute of Technology in Japan, 13 July 2022.
  3. “Novel Properties of Gaussian Wave-packet Amplitude for scattering”, Invited seminar (1 hour) in Particle Theory and Cosmology group, Department of Physics, Tohoku University in Japan, Zoom (online), 14 October 2021.
  4. “Seeking New Physics through Flavors”, Invited seminar (1 hour) in Department of Physics, School of Natural Sciences at Shiv Nadar University, Shiv Nadar University, Dadri, Gautam Buddha Nagar, Uttar Pradesh, India, 6 August 2019.
  5. “Addressing B and K flavor anomalies in terms of vectorlike compositeness”, Invited talk (15 mins) at Conference Anomalies 2019, IIT Hyderabad, Hyderabad, India, 18 July 2019.
  6. “Flavorful Vectorlike compositeness enjoys B & K anomalies; triggers Higgs mechanism”, Invited seminar (1 hour) at particle physics group of Roma Tre University, Roma Tre University, Rome, Italy, 27 June 2019.
  7. “Simultaneous explanation of K and B anomalies in vectorlike compositeness”, Invited talk (30 mins) at Workshop on the Standard Model and Beyond (as a branch of Corfu Summer Institute, 18th Hellenic School and Workshops on Elementary Physics and Gravity), Corfu, Greece, 31 August 2018.
  8. “Simultaneous Interpretation of K and B Anomalies in Vectorlike Compositeness”, Invited talk (20 mins) at the 23rd Regular Meeting of New Higgs Working Group, Osaka University, Osaka, Japan, 24 August 2018.
  9. “Simultaneous Interpretation of K and B Anomalies in Vectorlike Compositeness”, Invited talk (30 mins) at APCTP-IBS-KISTI-KU 2018 LHC Physics Workshop @ Korea, Konkuk University, Seoul, Republic of Korea, 08 August 2018.
  10. “Vector-like confinement visits RK(∗) flavor anomalies and more”, Invited seminar (1 hour) at the particle physics group (Prof. Hyun Min Lee’s group), Chung-Ang University, Seoul, Republic of Korea, 04 April 2018.
  11. “Magnetized extra dimensions generate quark flavor structure”, Invited short talk (20 mins) at the 21th Regular Meeting of New Higgs Working Group, Osaka University, Osaka, Japan, 23 December 2017.
  12. “Vector-like confinement addresses RK(∗) flavor anomalies and more”, Invited seminar talk at Physics Department in Indian Institute of Technology (IIT) Hyderabad, IIT Hyderabad, India, 20 December 2017.
  13. “RK(∗) anomaly comes from vector-like compositeness”, Invited talk as an activity of the Working Groups I (collider physics)+II (flavor physics) at Workshop on High Energy Physics Phenomenology XV, Indian Institute of Science Education and Research (IISER) Bhopal, Bhopal, India, 16 December 2017.
  14. “What is behind the B-physics RD(∗) anomaly?”, Invited review talk at the workshop, The 7th KIAS Workshop on Particle Physics and Cosmology and The 2nd KEK-NCTS-KIAS Workshop on Particle Physics Phenomenology, KIAS, Seoul, Republic of Korea, 7 November 2017.
  15. “Vector-like compositeness meets B-physics anomalies”, Invited short talk (20 mins) at the 20th Regular Meeting of New Higgs Working Group, Osaka University, Osaka, Japan, 19 August 2017.
  16. “Vector-like compositeness meets B-physics anomalies”, Seminar talk (1 hour) at the laboratory of Theoretical Particle Physics in Hiroshima University, Hiroshima University, Hiroshima, Japan, 27 July 2017.
  17. “Vector-like compositeness meets B-physics anomalies”, Invited talk (30 mins) at Summer camp on ILC accelerator and physics / detectors 2017, 2nd night session, Bell Suzuran go-ya, Matsumoto, Japan, 23 July 2017.
  18. “Vector-like compositeness meets B-physics anomalies”, Invited talk (30 mins) at the 21st LHC Monthly Meeting: B- and K-physics anomalies, KIAS, Seoul, Republic of Korea, 18 July 2017.
  19. “Bottom and Charm Jet Identification declares Leptoquark Origin of the B physics Anomaly in (∗) B→D τν”, Seminar talk (1 hour) at Kobe University Particle Theory Group, Kobe University, Kobe, Japan, 6 March 2017.
  20. “b&c jet identification declares Leptoquark origin of the B physics anomaly in B → D(∗)τν”, Invited short talk (20 + 10 mins) at the 18th New Higgs Working Group Regular Meeting, University of Toyama, Toyama, Japan, 7 August 2016.
  21. “X750”, Invited talk (45 mins, for reviewing the 750 GeV diphoton excess at the LHC) in the Summer camp on ILC accelerator and physics / detectors 2016, Itsukushien (Japanese-style hotel), Ichinoseki, Iwate, Japan, 25 July 2016.
  22. “Everything becomes F (original title is in Japanese.)”, Invited talk (20 mins) in the discussion session on the LHC 750GeV digamma excess of the 17th New Higgs Working Group Regular Meeting, University of Toyama, Toyama, Japan, 7 May 2016.
  23. “750 GeV digamma excess via photon fusion in radiative seesaw, Reloaded”, Invited short talk (20 + 10 mins) at the 17th New Higgs Working Group Regular Meeting, University of Toyama, Toyama, Japan, 7 May 2016.
  24. “Probing Leptoquark Origin of the B → D(∗)τν Anomaly at the LHC”, Invited talk at Kavli-IPMU collider school, Kavli-IPMU, Kashiwa, Japan, 16 February 2016.
  25. “LHC 750 GeV Diphoton excess in a radiative seesaw model through photon fusion production”, Invited short talk (20 + 10 mins) at workshop “the 16th New Higgs Working Group Regular Meeting”, University of Toyama, Toyama, Japan, 23 January 2016.
  26. “LHC 750 GeV Diphoton excess in a radiative seesaw model”, Invited talk (20 + 10 mins) at workshop “Overview on the recent di-photon excess at the LHC Run 2”, CTPU-IBS, Daejeon, Republic of Korea, 8 January 2016.
  27. “LHC 750 GeV Diphoton excess in a radiative seesaw model”, Invited talk (15 mins) at workshop “The 18th LHC Physics Monthly Meeting: 750 GeV diphoton excess”, KIAS, Seoul, Republic of Korea, 7 January 2016.
  28. “Leptoquark explanation of Higgs to μτ and muon g − 2”, Invited short talk (30 mins) at workshop ”the 15th Regular Meeting of New Higgs Working Group”, University of Toyama, Toyama, Japan, 12 October 2015.
  29. “Three-Loop Neutrino Models with Global U(1) Symmetry”, Invited short talk (30 mins) at the 13th Regular Meeting of New Physics Working Group, University of Toyama, Toyama, Japan, 10 May 2015.
  30. “How to Tame the Fields on Magnetized Torus with Orbifolding”, Invited seminar talk (1 hour) at Sungkyunkwan University (SKKU), SKKU, Suwon, Republic of Korea, 3 April 2015.
  31. “Three-Loop Neutrino Model with Global U(1) Symmetry”, Invited talk (20 mins) in workshop “How to prove new physics”, OIST, Okinawa, Japan, 13 March 2015.
  32. “A UED prospect”, Invited short talk in WG-I (Standard Model and Beyond Standard Model Physics at High Energy Colliders) of Workshop on High Energy Physics and Phenomenology (WHEPP13), Blue Lily Beach Resort, Puri, Odisha, India, 16 December 2013.
  33. “Signals of Flat Universal Extra Dimensions”, Invited review talk at collaboration meeting, Harish-Chandra Research Institute, Allahabad, India, 2 November 2012.
  34. “Heavy Higgs at Tevatron and LHC in Universal Extra Dimension models”, Invited talk at the seminar at Kyoto University, Kyoto, 22 September 2011.
  35. “Theoretical and Phenomenological Aspects of Dirichlet Higgs Model”, Invited talk at the seminar at Shinsyu University, Nagano, 16 June 2011.
  36. “Unitarity and BRST invariance in Dirichlet Higgs Model”, Invited talk at the seminar at Nagoya University, Nagoya, 8 February 2011.
  37. “Interesting properties of Dirichlet Higgs Model”, Invited talk at the seminar at Tohoku University, Sendai, 20 January 2011.
  38. “Some remarkable topics associated with two extra dimensions”, Invited talk at the seminar at Osaka University, Osaka, 15 June 2010.
  39. “CP Violation due to Compactification”, Invited talk at Nara Woman University, Nara, 11 June 2010.
  40. “CP violation due to compactification in gauge-higgs unification”, Invited talk in the seminar at Hiroshima University, Hiroshima, 19 November 2009.
  41. “CP violation from complex structure of extra dimensions”, Invited talk in the seminar at Ochanomizu University, Tokyo, 27 July 2009.

  • I am an associated research collaborator outside Japan of the national research grant in Japan:

– Title: Study of the correction term for the Fermi golden rule using multi-methods

– PI: Prof. Osamu Jinnouchi (Tokyo Institute of Technology)

– Co-PI: Prof. Kin-ya Oda (Tokyo Woman’s Christian University), Prof. Masaki Takesada (Hokkaido University), Prof. Hiroshi Sakurai (Gunma University), Prof. Kenzo Ishikawa (Hokkaido University)

– Category: Grant-in-Aid for Scientific Research (B)

– Funding Agency: Ministry of Education, Culture, Sports, Science and Technology (Japan)

– Amount Sanctioned: (13,400,000 JPY ∼ 9,130,000 INR, total amount for four years)

– Duration: April 2021 to March 2025 (4 years)

  • Financial assistance under "Assistance to Professional Bodies & Seminar / Symposia Scheme" for the two-day workshop "Workshop on Particle Physics, Astrophysics and Cosmology (WPAC)" at SNIoE on 21st and 22nd March 2023 from SERB (Rs. 1,00,000/-). This application was prepared by the organising committee members [Dr Arindam Chatterjee (Convener), Kenji Nishiwaki (co-Convener), Dr Rana Nandi (co-Convener)] and submitted by Dr Arindam Chatterjee.

  • Oct. 2011 – Sep. 2012: Contingency grant in HRI (20,000 INR)
  • Oct. 2012 – Sep. 2013: Contingency grant in HRI (20,000 INR)
  • Oct. 2013 – Sep. 2014: Contingency grant in HRI (20,000 INR)
  • Oct. 2014 – Dec. 2014: KIAS Research Budget (3,250,000 Korean Won [KRW])
  • Jan. 2015 – Dec. 2015: KIAS Research Budget (13,000,000 KRW)
  • Jan. 2016 – Sep. 2016: KIAS Research Budget (9,750,000 KRW)
  • Sep. 2016 – Dec. 2016: KIAS Research Budget (3,250,000 KRW)
  • Jan. 2017 – Dec. 2017: KIAS Research Budget (10,000,000 KRW)
  • Jan. 2018 – Sep. 2018: KIAS Research Budget (7,500,000 KRW)