Original Paper

  1. Scalar Dark Matter with a μ-τ Flavored Mediator
    K. Asai, C. Miyao, S. Okawa, K. Tsumura
    Accepted in PRD, hep-ph/2205.08998
  2. Baryon number non-conservation as Peccei-Quinn mechanism
    T. Ohata, K. Takeuchi, K. Tsumura
    Phys. Rev. D104, 035026 (2021) hep-ph/2104.14139
  3. Pseudo-Nambu-Goldstone Dark Matter Model Inspired by Grand Unification
    Y. Abe, T. Toma, K. Tsumura, N. Yamatsu
    Phys. Rev. D104, 035011 (2021) hep-ph/2104.13523
  4. 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) hep-ph/2102.08519
  5. Search for U(1)Lμ - Lτ charged Dark Matter with neutrino telescope
    K. Asai, S. Okawa, K. Tsumura
    JHEP 03 (2021) 047 hep-ph/2011.03165
  6. Scalegenesis and fermionic dark matters in the flatland scenario
    Y. Hamada, K. Tsumura, M. Yamada
    EPJC 80 (2020) 368 hep-ph/2002.03666
  7. Pseudo-Nambu-Goldstone dark matter from gauged U(1)B-L symmetry
    Y. Abe, T. Toma, K. Tsumura
    JHEP 05 (2020) 057 hep-ph/2001.03954
  8. 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) hep-ph/1912.02475
  9. A μ-τ-philic scalar doublet under Zn flavor symmetry
    Y. Abe, T. Toma, K. Tsumura
    JHEP 06 (2019) 142 hep-ph/1904.10908
  10. 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) hep-ph/1904.07618
  11. 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) hep-ph/1811.07571
  12. Precision electroweak shift of muonium hyperfine splitting
    T. Asaka, M. Tanaka, K. Tsumura, and M.Yoshimura
    hep-ph/1810.05429
  13. Charged scalars confronting neutrino mass and muon g-2 anomaly
    N. Chakrabarty, C.-W. Chiang, T. Ohata, K. Tsumura
    JHEP 12 (2018) 104 hep-ph/1807.08167
  14. Syndetic Extension of Baryon and Lepton Numbers: Proton Decay and Long-Lived Dark Matter
    E. Ma, K. Tsumura
    Phys. Rev. D98, 035037 (2018) hep-ph/1805.05056
  15. Model with a gauged lepton flavor SU(2) symmetry
    C.-W. Chiang, K. Tsumura
    JHEP 05 (2018) 069 hep-ph/1712.00574
  16. 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) hep-ph/1710.07136
  17. Ma-xion: Majoron as QCD axion in a radiative seesaw model
    E. Ma, T. Ohata, K. Tsumura
    Phys. Rev. D96, 075039 (2017) hep-ph/1708.03076
  18. A Radiative Neutrino Mass Model with SIMP Dark Matter
    S.-Y. Ho, T. Toma, K. Tsumura
    JHEP 07 (2017) 101 hep-ph/1705.00592
  19. Gravitational wave from dark sector with dark pion
    K. Tsumura, M. Yamada, Y. Yamaguchi
    JCAP 07 (2017) 044 hep-ph/1704.00219
  20. Towards Background-free RENP using a Photonic Crystal Waveguide
    M. Tanaka, K. Tsumura, N. Sasao, M. Yoshimura
    Prog. Theor. Exp. Phys. (2017) 043B03 physics.optics/1612.02423
  21. The reheating era leptogenesis in models with seesaw mechanism
    Y. Hamada, K. Tsumura, D. Yasuhara
    Phys. Rev. D95,103505 (2017) hep-ph/1608.05256
  22. 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) hep-ph/1604.07894
  23. Models of LHC Diphoton Excesses Valid up to the Planck scale
    Y. Hamada, H. Kawai, K. Kawana. K, Tsumura
    Phys. Rev. D94, 014007 (2016) hep-ph/1602.04170
  24. Survey of Higgs interpretations of the diboson excesses
    Y. Omura, K. Tobe, K. Tsumura
    Phys. Rev. D92, 055015 (2015) hep-ph/1507.05028
  25. Landau pole in the Standard Model with weakly interacting scalar fields
    Y. Hamada, K. Kawana, K. Tsumura
    Phys. Lett. B747 (2015) 238 hep-ph/1505.01721
  26. Properties and searches of the exotic neutral Higgs bosons in the Georgi-Machacek model
    C.-W. Chiang, K. Tsumura
    JHEP 04 (2015) 113 hep-ph/1501.04257
  27. Does unitarity imply finiteness of electroweak oblique corrections? - constraining extra neutral Higgs bosons -
    R. Nagai, M. Tanabashi, K. Tsumura
    Phys. Rev. D91, 034030 (2015) hep-ph/1409.1709
  28. Fingerprinting non-minimal Higgs sectors
    S. Kanemura, K. Tsumura, K. Yagyu, H. Yokoya
    Phys. Rev. D90, 075001 (2014) hep-ph/1406.3294
  29. QCD Corrections to Quark (Chromo)Electric Dipole Moments in High-scale Supersymmetry
    K. Fuyuto, J. Hisano, N. Nagata, K. Tsumura
    JHEP 12 (2013) 010 hep-ph/1308.6493
  30. WIMP Dark Matter and Neutrino Mass from Peccei-Quinn Symmetry
    B. Dasgupta, E. Ma, K. Tsumura
    Phys. Rev. D89, 041702 (2014) hep-ph/1308.4138
  31. Determination of tanβ from the Higgs boson decay at linear colliders
    S. Kanemura, K. Tsumura, H. Yokoya
    Phys. Rev. D88, 055010 (2013) hep-ph/1305.5424
  32. The Higgs boson mixes with an SU(2) septet representation
    J. Hisano, K. Tsumura
    Phys. Rev. D87, 053004 (2013) hep-ph/1301.6455
  33. Lepton number violation at the LHC with leptoquark and diquark
    M. Kohda, H. Sugiyama, K. Tsumura
    Phys. Lett. B718 (2013) 1436 hep-ph/1210.5622
  34. 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 hep-ph/1207.0179
  35. 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) hep-ph/1205.5292
  36. 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 hep-ph/1205.2212
  37. 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) hep-ph/1202.2014
  38. Multi-tau-lepton signatures at the LHC in the two Higgs doublet model
    S. Kanemura, K. Tsumura, H. Yokoya
    Phys. Rev. D85 095001 (2012) hep-ph/1111.6089
  39. 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 hep-ph/1108.3297
  40. 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) hep-ph/1107.5879
  41. 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 hep-ph/1106.5085
  42. ν-Two Higgs Doublet Model and its Collider Phenomenology
    N. Haba, K. Tsumura
    JHEP 06 (2011) 068 hep-ph/1105.1409
  43. Phenomenology in the Zee Model with the A_4 Symmetry
    T. Fukuyama, H. Sugiyama, K. Tsumura
    Phys. Rev. D83 056016 (2011) hep-ph/1012.4886
  44. 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) hep-ph/1009.4670
  45. Phenomenology in the Higgs Triplet Model with the A_4 Symmetry
    T. Fukuyama, H. Sugiyama, K. Tsumura
    Phys. Rev. D82 036004 (2010) hep-ph/1005.5338
  46. Phenomenology of flavon fields at the LHC
    K. Tsumura, L. V.-Sevilla
    Phys. Rev. D81 036012 (2010) hep-ph/0911.2149
  47. Constraints from muon g-2 and LFV processes in the Higgs Triplet Model
    T. Fukuyama, H. Sugiyama, K. Tsumura
    JHEP 03 (2010) 044 hep-ph/0909.4943
  48. 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) hep-ph/0902.4665
  49. A powerful tool for measuring Higgs associated Lepron Flavour Violation
    S. Kanemura, K. Tsumura
    Phys. Lett. B674 (2009) 295 hep-ph/0901.3159
  50. 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) hep-ph/0810.0433
  51. 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 hep-ph/0809.0094
  52. 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) hep-ph/0704.0697
  53. Dimension-six top-Higgs interaction and its effect in collider phenomenology
    S. Kanemura, D. Nomura, K. Tsumura
    Phys. Rev. D 74, 076007 (2006) hep-ph/0607333
  54. Lepton flavor violation in Higgs boson decays under the rare tau decay results
    S. Kanemura, T. Ota, K. Tsumura
    Phys. Rev. D73, 016006 (2006) hep-ph/0505191
  55. 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) hep-ph/0501228
  56. 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) hep-ph/0507264
  57. 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 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