Original Paper

  1. Nambu-Goldstone Modes in Magnetized T2n Extra Dimensions
    T. Hirose, H. Otsuka, K. Tsumura, Y. Uchida
    arXiv:2403.16801 [hep-th]
  2. New Constraints on Gauged U(1)Lμ−Lτ Models via Z−Z′ Mixing
    K. Asai, C. Miyao, S. Okawa, K. Tsumura
    arXiv:2401.17613 [hep-ph]
  3. A model of pseudo-Nambu-Goldstone dark matter with two complex scalars
    T. Abe, Y. Hamada, K. Tsumura
    arXiv:2401.02397 [hep-ph]
  4. Pseudo-Nambu-Goldstone Dark Matter in SU(7) Grand Unification
    C.-W. Chiang, K. Tsumura, Y. Uchida, N. Yamatsu
    Phys. Rev. D109, 055040 (2024) arXiv:2311.13753 [hep-ph]
  5. Pseudo-Nambu-Goldstone Dark Matter from Non-Abelian Gauge Symmetry
    H. Otsuka, T. Shimomura, K. Tsumura, Y. Uchida, N. Yamatsu
    Phys. Rev. D106, 115033 (2022) arXiv:2210.08696 [hep-ph]
  6. Scalar Dark Matter with a μ-τ Flavored Mediator
    K. Asai, C. Miyao, S. Okawa, K. Tsumura
    Phys. Rev. D106, 035017 (2022) arXiv:2205.08998 [hep-ph]
  7. Baryon number non-conservation as Peccei-Quinn mechanism
    T. Ohata, K. Takeuchi, K. Tsumura
    Phys. Rev. D104, 035026 (2021) arXiv:2104.14139 [hep-ph]
  8. Pseudo-Nambu-Goldstone Dark Matter Model Inspired by Grand Unification
    Y. Abe, T. Toma, K. Tsumura, N. Yamatsu
    Phys. Rev. D104, 035011 (2021) arXiv:2104.13523 [hep-ph]
  9. Scalar and fermion on-shell amplitudes in generalized Higgs effective field theory
    R. Nagai, M. Tanabashi, K. Tsumura, Y. Uchida
    Phys. Rev. D104, 015001 (2021) arXiv:2102.08519 [hep-ph]
  10. Search for U(1)Lμ - Lτ charged Dark Matter with neutrino telescope
    K. Asai, S. Okawa, K. Tsumura
    JHEP 03 (2021) 047 arXiv:2011.03165 [hep-ph]
  11. Scalegenesis and fermionic dark matters in the flatland scenario
    Y. Hamada, K. Tsumura, M. Yamada
    EPJC 80 (2020) 368 arXiv:2002.03666 [hep-ph]
  12. Pseudo-Nambu-Goldstone dark matter from gauged U(1)B-L symmetry
    Y. Abe, T. Toma, K. Tsumura
    JHEP 05 (2020) 057 arXiv:2001.03954 [hep-ph]
  13. QED background against atomic neutrino process with initial spatial phase
    M. Tanaka, K. Tsumura, N. Sasao, S. Uetake, M. Yoshimura
    Eur. Phys. J. Plus 135, 283 (2020) arXiv:1912.02475 [hep-ph]
  14. A μ-τ-philic scalar doublet under Zn flavor symmetry
    Y. Abe, T. Toma, K. Tsumura
    JHEP 06 (2019) 142 arXiv:1904.10908 [hep-ph]
  15. Symmetry and geometry in generalized Higgs effective field theory – Finiteness of oblique corrections v.s. perturbative unitarity –
    R. Nagai, M. Tanabashi, K. Tsumura, Y. Uchida
    Phys. Rev. D100, 075020 (2019) arXiv:1904.07618 [hep-ph]
  16. Minimal Gauged U(1)Lα - Lβ Models Driven into a Corner
    K. Asai, K. Hamaguchi, N. Nagata, S.-Y. Tseng, K. Tsumura
    Phys. Rev. D99, 055029 (2019) arXiv:1811.07571 [hep-ph]
  17. Precision electroweak shift of muonium hyperfine splitting
    T. Asaka, M. Tanaka, K. Tsumura, M.Yoshimura
    arXiv:1810.05429 [hep-ph]
  18. Charged scalars confronting neutrino mass and muon g-2 anomaly
    N. Chakrabarty, C.-W. Chiang, T. Ohata, K. Tsumura
    JHEP 12 (2018) 104 arXiv:1807.08167 [hep-ph]
  19. Syndetic Extension of Baryon and Lepton Numbers: Proton Decay and Long-Lived Dark Matter
    E. Ma, K. Tsumura
    Phys. Rev. D98, 035037 (2018) arXiv:1805.05056 [hep-ph]
  20. Model with a gauged lepton flavor SU(2) symmetry
    C.-W. Chiang, K. Tsumura
    JHEP 05 (2018) 069 arXiv:1712.00574 [hep-ph]
  21. Effects of initial spatial phase in radiative neutrino pair emission
    M. Tanaka, K. Tsumura, N. Sasao, S. Uetake, M. Yoshimura
    Phys. Rev. D96, 113005 (2017) arXiv:1710.07136 [hep-ph]
  22. Ma-xion: Majoron as QCD axion in a radiative seesaw model
    E. Ma, T. Ohata, K. Tsumura
    Phys. Rev. D96, 075039 (2017) arXiv:1708.03076 [hep-ph]
  23. A Radiative Neutrino Mass Model with SIMP Dark Matter
    S.-Y. Ho, T. Toma, K. Tsumura
    JHEP 07 (2017) 101 arXiv:1705.00592 [hep-ph]
  24. Gravitational wave from dark sector with dark pion
    K. Tsumura, M. Yamada, Y. Yamaguchi
    JCAP 07 (2017) 044 arXiv:1704.00219 [hep-ph]
  25. Towards Background-free RENP using a Photonic Crystal Waveguide
    M. Tanaka, K. Tsumura, N. Sasao, M. Yoshimura
    Prog. Theor. Exp. Phys. (2017) 043B03 arXiv:1612.02423[physics.optics]
  26. The reheating era leptogenesis in models with seesaw mechanism
    Y. Hamada, K. Tsumura, D. Yasuhara
    Phys. Rev. D95,103505 (2017) arXiv:1608.05256 [hep-ph]
  27. Systematic U(1)B-L Extensions of Loop-Induced Neutrino Mass Models with Dark Matter
    S.-Y. Ho, T. Toma, K. Tsumura
    Phys. Rev. D94, 033007 (2016) arXiv:1604.07894 [hep-ph]
  28. Models of LHC Diphoton Excesses Valid up to the Planck scale
    Y. Hamada, H. Kawai, K. Kawana, K. Tsumura
    Phys. Rev. D94, 014007 (2016) arXiv:1602.04170 [hep-ph]
  29. Survey of Higgs interpretations of the diboson excesses
    Y. Omura, K. Tobe, K. Tsumura
    Phys. Rev. D92, 055015 (2015) arXiv:1507.05028 [hep-ph]
  30. Landau pole in the Standard Model with weakly interacting scalar fields
    Y. Hamada, K. Kawana, K. Tsumura
    Phys. Lett. B747 (2015) 238 arXiv:1505.01721 [hep-ph]
  31. Properties and searches of the exotic neutral Higgs bosons in the Georgi-Machacek model
    C.-W. Chiang, K. Tsumura
    JHEP 04 (2015) 113 arXiv:1501.04257 [hep-ph]
  32. Does unitarity imply finiteness of electroweak oblique corrections? - constraining extra neutral Higgs bosons -
    R. Nagai, M. Tanabashi, K. Tsumura
    Phys. Rev. D91, 034030 (2015) arXiv:1409.1709 [hep-ph]
  33. Fingerprinting non-minimal Higgs sectors
    S. Kanemura, K. Tsumura, K. Yagyu, H. Yokoya
    Phys. Rev. D90, 075001 (2014) arXiv:1406.3294 [hep-ph]
  34. QCD Corrections to Quark (Chromo)Electric Dipole Moments in High-scale Supersymmetry
    K. Fuyuto, J. Hisano, N. Nagata, K. Tsumura
    JHEP 12 (2013) 010 arXiv:1308.6493 [hep-ph]
  35. WIMP Dark Matter and Neutrino Mass from Peccei-Quinn Symmetry
    B. Dasgupta, E. Ma, K. Tsumura
    Phys. Rev. D89, 041702 (2014) arXiv:1308.4138 [hep-ph]
  36. Determination of tanβ from the Higgs boson decay at linear colliders
    S. Kanemura, K. Tsumura, H. Yokoya
    Phys. Rev. D88, 055010 (2013) arXiv:1305.5424 [hep-ph]
  37. The Higgs boson mixes with an SU(2) septet representation
    J. Hisano, K. Tsumura
    Phys. Rev. D87, 053004 (2013) arXiv:1301.6455 [hep-ph]
  38. Lepton number violation at the LHC with leptoquark and diquark
    M. Kohda, H. Sugiyama, K. Tsumura
    Phys. Lett. B718 (2013) 1436 arXiv:1210.5622 [hep-ph]
  39. Discrimination of models including doubly charged scalar bosons by using tau lepton decay distributions
    H. Sugiyama, K. Tsumura, H. Yokoya
    Phys. Lett. B717 (2012) 229 arXiv:1207.0179 [hep-ph]
  40. A feasibility study of the measurement of Higgs pair creation at a Photon Linear Collider
    S. Kawada, N. Maeda, T. Takahashi, K. Ikematsu, K. Fujii, Y. Kurihara, K. Tsumura, D. Harada, S. Kanemura
    Phys. Rev. D 85, 113009 (2012) arXiv:1205.5292 [hep-ph]
  41. QCD Corrections to Neutron Electric Dipole Moment from Dimension-six Four-Quark Operators
    J. Hisano, K. Tsumura, M. J.S. Yang
    Phys. Lett. B713 (2012) 473 arXiv:1205.2212 [hep-ph]
  42. Search for doubly charged Higgs bosons using the same-sign diboson mode at the LHC
    C.-W. Chiang, T. Nomura, K. Tsumura
    Phys. Rev. D85 095023 (2012) arXiv:1202.2014 [hep-ph]
  43. Multi-tau-lepton signatures at the LHC in the two Higgs doublet model
    S. Kanemura, K. Tsumura, H. Yokoya
    Phys. Rev. D85 095001 (2012) arXiv:1111.6089 [hep-ph]
  44. Indirect bounds on heavy scalar masses of the two-Higgs-doublet model in light of recent Higgs boson searches
    S. Kanemura, Y. Okada, H. Taniguchi, K. Tsumura
    Phys. Lett. B704 (2011) 303 arXiv:1108.3297 [hep-ph]
  45. A Higgs Quadruplet for Type III Seesaw and Implications for mu to e gamma and mu-e Conversion
    B. Ren, K. Tsumura, X.-G. He
    Phys. Rev. D84 073004 (2011) arXiv:1107.5879 [hep-ph]
  46. μ-e Conversion with Four generations
    N. Deshpande, T. Enkhbat, T. Fukuyama, X.-G. He, L.-H. Tsai, K. Tsumura
    Phys. Lett. B703 (2011) 562-566 arXiv:1106.5085 [hep-ph]
  47. ν-Two Higgs Doublet Model and its Collider Phenomenology
    N. Haba, K. Tsumura
    JHEP 06 (2011) 068 arXiv:1105.1409 [hep-ph]
  48. Phenomenology in the Zee Model with the A_4 Symmetry
    T. Fukuyama, H. Sugiyama, K. Tsumura
    Phys. Rev. D83 056016 (2011) arXiv:1012.4886 [hep-ph]
  49. Higgs boson pair production in new physics models at hadron, lepton, and photon colliders
    E. Asakawa, D. Harada, S. Kanemura, Y. Okada, K. Tsumura
    Phys. Rev. D82 115002 (2010) arXiv:1009.4670 [hep-ph]
  50. Phenomenology in the Higgs Triplet Model with the A4 Symmetry
    T. Fukuyama, H. Sugiyama, K. Tsumura
    Phys. Rev. D82 036004 (2010) arXiv:1005.5338 [hep-ph]
  51. Phenomenology of flavon fields at the LHC
    K. Tsumura, L. V.-Sevilla
    Phys. Rev. D81 036012 (2010) arXiv:0911.2149 [hep-ph]
  52. Constraints from muon g-2 and LFV processes in the Higgs Triplet Model
    T. Fukuyama, H. Sugiyama, K. Tsumura
    JHEP 03 (2010) 044 arXiv:0909.4943 [hep-ph]
  53. Models of Yukawa interaction in the two Higgs doublet model, and their collider phenomenology
    M. Aoki, S. Kanemura, K. Tsumura, K. Yagyu
    Phys. Rev. D80 015017 (2009) arXiv:0902.4665 [hep-ph]
  54. A powerful tool for measuring Higgs associated Lepron Flavour Violation
    S. Kanemura, K. Tsumura
    Phys. Lett. B674 (2009) 295 arXiv:0901.3159 [hep-ph]
  55. Effects of the anomalous Higgs couplings on the Higgs boson production at the Large Hadron Collider
    S. Kanemura, K. Tsumura
    Eur. Phys. J. C 63:11-21 (2009) arXiv:0810.0433 [hep-ph]
  56. Higgs boson pair production at a photon-photon collision in the two Higgs doublet model
    E. Asakawa, D. Harada, S. Kanemura, Y. Okada, K. Tsumura
    Phys. Lett. B672 (2009) 354-360 arXiv:0809.0094 [hep-ph]
  57. CP violation due to multi Froggatt-Nielsen fields
    S. Kanemura, K. Matsuda, T. Ota, S. Petcov, T. Shindou, E. Takasugi, K. Tsumura
    Eur. Phys. J. C 51:927-931 (2007) arXiv:0704.0697 [hep-ph]
  58. Dimension-six top-Higgs interaction and its effect in collider phenomenology
    S. Kanemura, D. Nomura, K. Tsumura
    Phys. Rev. D 74, 076007 (2006) arXiv:hep-ph/0607333
  59. Lepton flavor violation in Higgs boson decays under the rare tau decay results
    S. Kanemura, T. Ota, K. Tsumura
    Phys. Rev. D73, 016006 (2006) arXiv:hep-ph/0505191
  60. Enhancement of lepton flavor violation in a model with bi-maximal mixing at the grand unification scale
    S. Kanemura, K. Matsuda, T. Ota, T. Shindou, E. Takasugi, K. Tsumura
    Phys. Rev. D72, 093004 (2005) arXiv:hep-ph/0501228
  61. Phase effects from the general neutrino Yukawa matrix on lepton flavor violation
    S.Kanemura, K. Matsuda, T. Ota, T. Shindou, E. Takasugi,K. Tsumura
    Phys. Rev. D72, 055012 (2005) arXiv:hep-ph/0507264
  62. Search for lepton flavor violation in the Higgs boson decay at a linear collider
    S. Kanemura, K. Matsuda, T. Ota, T. Shindou, E. Takasugi, K. Tsumura
    Phys. Lett. B599 (2004) 83-91 arXiv:hep-ph/0406316

Working Group Report

  1. Working Group Report: Higgs Boson
    S. Dawson, A. Gritsan, H. Logan, J. Qian, C. Tully, R.V. Kooten, A. Ajaib, A. Anastassov, I. Anderson, D. Asner O. Bake, V. Barger, T. Barklow, B. Batell, M. Battaglia, S. Berge, A. Blondel, S. Bolognesi, J. Brau, E. Brownson, M. Cahill-Rowley, C. Calancha-Paredes, C. -Y. Chen, W. Chou, R. Clare, D. Cline, N. Craig, K. Cranmer, M. de Gruttola, A. Elagin, R. Essig, L. Everett, E. Feng, K. Fujii, J. Gainer, Y. Gao, I. Gogoladze, S. Gori, R. Goncalo, N. Graf, C. Grojean, S. Guindon, Howard Haber, T. Han, G. Hanson, R. Harnik, S. Heinemeyer, U. Heintz, J. Hewett, Y. Ilchenko, A. Ishikawa, A. Ismail, V. Jain, P. Janot, S. Kanemura, S. Kawada, R. Kehoe, M. Klute, A. Kotwal, K. Krueger, G. Kukartsev, K. Kumar, J. Kunkle, M. Kurata, I. Lewis, Y. Li, L. Linssen, E. Lipeles, R. Lipton, T. Liss, J. List, T. Liu, Z. Liu, I. Low, T. Ma, P. Mackenzie, B. Mellado, K. Melnikov, A. Miyamoto, G. Moortgat-Pick, G. Mourou, M. Narain, H. Neal, J. Nielsen, N. Okada, H. Okawa, J. Olsen, H. Ono, P. Onyisi, N. Parashar, M. Peskin, F. Petriello, T. Plehn, C. Pollard, C. Potter, K. Prokofiev, M. Rauch, T. Rizzo, T. Robens, V. Rodriguez, P. Roloff, R. Ruiz, V. Sanz, J. Sayre, Q. Shafi, G. Shaughnessy, M. Sher, F. Simon, N. Solyak, J. Strube, J. Stupak, S. Su, T. Suehara, T. Tanabe, T. Tajima, V. Telnov, J. Tian, S. Thomas, M. Thomson, K. Tsumura, C. Un, M. Velasco, C. Wagner, S. Wang, S. Watanuki, G. Weiglein, A. Whitbeck, K. Yagyu, W. Yao, H. Yokoya, S. Zenz, D. Zerwas, Y. Zhang, Y. Zhou
    hep-ph/1310.8361
  2. ILC Higgs White Paper
    D.M. Asner, T. Barklow, C. Calancha, K. Fujii, N. Graf, H. E. Haber, A. Ishikawa, S. Kanemura, S. Kawada, M. Kurata, A. Miyamoto, H. Neal, H. Ono, C. Potter, J. Strube, T. Suehara, T. Tanabe, J. Tian, K. Tsumura, S. Watanuki, G. Weiglein, K. Yagyu, H. Yokoya
    hep-ph/1310.0763

Proceedings Paper

    * : Speaker
  1. Two Higgs doublet models at future colliders
    K. Tsumura*, hep-ph/1305.1754
    Higgs as a Probe of New Physics 2013 (HPNP2013)
  2. QCD Corrections to Electric Dipole Moment from Dimension-six Four-Quark Operators
    K. Tsumura*, World Scientific
    Strong Coupling Gauge Theory 2012 (SCGT2012)
  3. Discrimination of models including doubly charged scalar bosons using tau decays
    K. Tsumura*, EPJ Web
    Hadron Collider Physics Symposium 2012
  4. Discrimination of models including doubly charged scalar bosons using tau decays
    K. Tsumura*, Nucl. Phys. (Proc. Suppl.) 253-255 (2014) 230
    The 12th International Workshop on Tau Lepton Physics (TAU2012)
  5. Multi-tau lepton signatures in leptophilic two Higgs doublet model at the ILC
    S. Kanemura, K. Tsumura*, H. Yokoya, hep-ph/1201.6489
    The 2011 International Workshop on Future Linear Colliders (LCWS11)
  6. Higgs boson pair production in new physics models at hadron, lepton, and photon colliders
    K. Tsumura*, Nuovo Cimento C034, 77(2011)
    LC10, New physics: complemetarities between direct and indirect searches
  7. Lepton Flavour Violation at an Electron-Photon Collider
    K. Tsumura*, Nuovo Cimento C033, 103(2010)
    LC09, e+e- Physics at the TeV Scale and the Dark Matter connection
  8. Measuring Higgs boson associated Lepton Flavour Violation in electron-photon collisions at the ILC
    S. Kanemura*, K. Tsumura, ILC Physics Subgroup, hep-ph/1008.1135
    The 8th general meeting of the ILC physics working group
  9. Higgs boson pair production at the Photon Linear Collider in the two Higgs doublet model
    E. Asakawa, D. Harada*, S. Kanemura, Y. Okada, K. Tsumura, ILC Physics Subgroup
    The 8th general meeting of the ILC physics working group
  10. Higgs boson pair production at the Photon Linear Collider in the two Higgs doublet model
    E. Asakawa, D. Harada*, S. Kanemura, Y. Okada, K. Tsumura, hep-ph/0902.2458
    Linear Collider Workshop 2008 (LCWS2008 and ILC2008)
  11. New physics effect on the top-Yukawa coupling at ILC
    S. Kanemura, K. Matsuda, D. Nomura, K. Tsumura*, hep-ph/0710.2644
    Linear Collider Workshop 2007 (LCWS2007 and ILC2007)
  12. New Physics effect on top Yukawa coupling at future colliders
    K. Tsumura*, Soryushiron Kenkyu 114-4 (2007) D85
    Progress in Particle Physics 2006
  13. Lepton flavor violation in Higgs boson decays
    K. Tsumura*, Soryushiron Kenkyu 112-5 (2005) E9-11, hep-ph/0511253
    Summer Institute 2005
  14. Measurement of lepton flavor violating Yukawa couplings at ILC
    S. Kanemura*, T. Ota, K. Tsumura, hep-ph/0507264
    International Linear Collider Workshop (LCWS05)
  15. Lepton flavor violation in the Higgs boson decays
    S. Kanemura, T. Ota, K. Tsumura*, Osaka Univ. Press, Frontiers of Basic Science 144 (2005)
    Hanoi-Forum 2005
  16. Yukawa Matrix for the Neutrino and Lepton Flavour Violation
    S. Kanemura, K. Matsuda, T. Ota, T. Shindou, E. Takasugi, K. Tsumura*, Nucl. Phys. (Proc. Suppl.) 149 (2005) 360, hep-ph/0411240
    The 6th International Workshop on Neutrino Factories and Superbeams (NuFACT04)
  17. Bi-maximal Mixing at GUT, the Low Energy Data and the Leptogenesis
    S. Kanemura, K. Matsuda, H. Nakano, T. Ota, T. Shindou, E. Takasugi*, K. Tsumura, Nucl. Phys. (Proc. Suppl.) 149 (2005) 357, hep-ph/0411239
    The 6th International Workshop on Neutrino Factories and Superbeams (NuFACT04)
  18. Phase contribution to LFV
    S. Kanemura, K. Matsuda, T. Ota, T. Shindou, E. Takasugi, K. Tsumura*, Nucl. Phys. (Proc. Suppl.) 143 (2005) 524, hep-ph/0409283
    The 21st International Conference on Neutrino Physics and Astrophysics (Neutrino2004)
  19. Radiative corrections of neutrino mass matrix and lepton flavor violation processes
    S. Kanemura, K. Matsuda, T. Ota, T. Shindou*, E. Takasugi, K. Tsumura, Nucl. Phys. (Proc. Suppl.) 143 (2005) 521
    The 21st International Conference on Neutrino Physics and Astrophysics (Neutrino2004)
  20. Lepton flavor violation in the Higgs boson decay at a linear collider
    S. Kanemura, K. Matsuda, T. Ota*, T. Shindou, E. Takasugi, K. Tsumura, hep-ph/0408276
    International Conference on Linear Colliders (LCWS04)
  21. Origin of CP phases in GUT models
    S. Kanemura, K. Matsuda, T. Ota, S. Petcov, T. Shindou*, E. Takasugi, K. Tsumura, Soryushiron Kenkyu 110-4 (2004) D11-12 [ in Japanese ]
    Progress in Particle Physics 2004
  22. Search for Lepton flavor violation in the Higgs Boson Decay at a Linear Collider
    S. Kanemura, K. Matsuda, T. Ota*, T. Shindou, E. Takasugi, K. Tsumura, Soryushiron Kenkyu 110-4 (2004) D17-18
    Progress in Particle Physics 2004
  23. Bi-maximal mixing and Radiative corrections
    S. Kanemura, K. Matsuda, T. Miura, T. Ota, T. Shindou*, E. Takasugi, K. Tsumura, Soryushiron Kenkyu 108-6 (2004) F78-79 [ in Japanese ]
    Progress in Particle Physics 2003

Journal Report

  1. What is the physics behind the Higgs particle? (in Japanese)
    70th Anniversary Project of JPS, 70 Mysteries in Physics
    Koji Tsumura, Journal Editorial Committee, Journal of the Physical Society of Japan, Vol. 71-8

Academic Dissertation

  1. Ph.D Thesis :
    "New Physics Search via the Higgs Boson"
    March 2007, Doctor of Science, Osaka University
    Advisor : Dr. Eiichi Takasugi, Dr. Shinya Kanemura
  2. Master Thesis :
    "Lepton Flavor Violating Processes and CP Violating Phases" (in Japanese)
    March 2004, Master of Science, Osaka University
    Advisor : Dr. Eiichi Takasugi
  3. Graduation Thesis :
    "An Extension of the Standard Model with Neutrino Masses" (in Japanese)
    March 2002, Bachelor of Science, Hiroshima University
    Advisor : Dr. Jiro Kodaira, Dr. Takuya Morozumi