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Research Activity

Field of Study

Elementary Particle Physics
High Energy Physics

Subject of Study

CP Violation in Neutrino Oscillations, Neutrino Mass and Mixing
Decays of B and K Mesons

Book / Paper

Book:

1. Hideyoshi Morita, Seiichi Wakaizumi, Masanori Miyata, Shuji Katsura, Kenji Mori, Nobuyoshi Nakajo, Tomihiko Higuti, Masanobu Haraguchi, Makoto Ohashi and Kenji Matsuura :
授業改善のための実例集ハンドブック,
Center for University Extension, Tokushima, Jan. 2005.
2. Seiichi Wakaizumi, Akira Ohbuchi, Takuji Kawano, Takafumi Noma and Takao Hanabusa :
よりよい成績評価の仕方ハンドブック,
Center for University Extension, Tokushima, Dec. 2002.

Academic Paper (Judged Full Paper):

1. Koji Soda, Shuichi Hirowatari, Seiichi Wakaizumi, Hideyoshi Morita, Masanori Miyata, Takuji Kawano and Takaaki Shinto :
2006年度徳島大学全学FD推進プログラム実施報告,
Journal of University Education Research, Vol.4, 76-90, 2007.
(Tokushima University Institutional Repository: 82418)
2. Shuichi Hirowatari, Koji Soda, Seiichi Wakaizumi, Hideyoshi Morita, Masanori Miyata, Takuji Kawano and Takaaki Shinto :
2005年度徳島大学全学FD推進プログラム実施報告,
Journal of University Education Research, Vol.3, 75-87, 2006.
(Tokushima University Institutional Repository: 82389)
3. Toshihiko Hattori, Tsutom Hasuike and Seiichi Wakaizumi :
Flavor Changing Neutrino Interactions and CP Violation in Neutrino Oscillations,
Progress of Theoretical Physics, Vol.114, No.2, 439-449, 2005.
(DOI: 10.1143/PTP.114.439,   CiNii: 110001793774)
4. Seiichi Wakaizumi, Toshihiko Hattori and Tsutom Hasuike :
CP violation and matter effect in long-baseline neutrino oscillations in the four-neutrino model,
Physical Review D, Particles, Fields, Gravitation and Cosmology, Vol.65, No.7-A, 073027-1-073027-13, 2002.
(DOI: 10.1103/PhysRevD.65.073027,   Elsevier: Scopus)
5. Seiichi Wakaizumi, Toshihiko Hattori and Tsutom Hasuike :
CP violation effect in long-baseline neutrino oscillation in the four-neutrino model,
Physical Review D, Particles, Fields, Gravitation and Cosmology, Vol.62, No.3, 033006-1-033006-9, 2000.
(Elsevier: Scopus)
6. Seiichi Wakaizumi, Toshihiko Hattori and Tsutom Hasuike :
Effects of the K+→π+νν and of other processes on the mixing hierarchies in the four-generation model,
Physical Review D, Particles, Fields, Gravitation and Cosmology, Vol.60, No.11, 113008-1-113008-10, 1999.
7. Seiichi Wakaizumi, Toshihiko Hattori and Tsutom Hasuike :
CP violation in the semileptonic top-quark decay in the two-Higgs-doublet model,
Physical Review D, Particles, Fields, Gravitation and Cosmology, Vol.58, No.9, 095008-1-095008-6, 1998.
8. Seiichi Wakaizumi, Toshihiko Hattori, Tsutom Hasuike and Toshio Hayashi :
CP violation in t→W+b decays in two-Higgs doublet model,
Zeitschrift für Physik C Particles and Fields, Vol.76, No.1, 127-132, 1997.
9. Toshihiko Hattori, Tsutom Hasuike, Toshio Hayashi and Seiichi Wakaizumi :
Right-Handed b to c Coupling and CP Violation,
Progress of Theoretical Physics, Vol.93, No.3, 571-583, 1995.
10. Tsutom Hasuike, Toshihiko Hattori, Toshio Hayashi, Zenro Hioki and Seiichi Wakaizumi :
B AND D MESON DECAYS IN THE HEAVY QUARK EFFECTIVE THEORY,
Progress of Theoretical Physics, Vol.93, No.5, 927-937, 1995.
11. Michael Gronau, Tsutom Hasuike, Toshihiko Hattori, Toshio Hayashi, Zenro Hioki and Seiichi Wakaizumi :
MEASURING THE CHIRALITY OF THE B QUARK CURRENT IN A(B) DECAY,
Journal of Physics G: Nuclear and Particle Physics, Vol.19, No.12, 1987-1991, 1993.
12. Michael Gronau and Seiichi Wakaizumi :
Testing V-A in Λb decays,
Physical Review D, Particles, Fields, Gravitation and Cosmology, Vol.47, No.3, 1262-1263, 1993.
13. Yasuo Ezawa, Takemi Hayashi, Masayoshi Kikugawa, Jiro Kodaira, Taizo Muta, Ryuichi Najima, Juichi Saito, Seiichi Wakaizumi, Tadashi Yano and Minoru Yonezawa :
Brown-Feynman reduction of one-loop Feynman daigrams to scalar integrals with orthonormal basis tensors,
Computor Physics Communications, Vol.69, 15-45, 1992.
14. Morimitsu Tanimoto and Seiichi Wakaizumi :
Right-handed current effect on inclusive decays of the B meson,
Zeitschrift für Physik C Particles and Fields, Vol.56, No.1, 87-90, 1992.
15. Seiichi Wakaizumi, Tsutom Hasuike, Toshihiko Hattori and Toshio Hayashi :
Relative-time-dependent CP asymmetry in B0-Anti B0 system for three and four generations,
Physical Review D, Particles, Fields, Gravitation and Cosmology, Vol.44, No.11, 3582-3588, 1991.
16. Tsutom Hasuike, Toshihiko Hattori, Toshio Hayashi and Seiichi Wakaizumi :
Fourth-generation effect on CP violation in Bd hadoronic decays,
Physical Review D: Particles and Fields, Vol.41, No.5, 1691-1694, 1990.
(PubMed: 10012530)
17. Tsutom Hasuike, Toshihiko Hattori, Toshio Hayashi and Seiichi Wakaizumi :
CP-Violation and Effects of 4th Generation in B Meson Nonleptonic Decays,
Progress of Theoretical Physics, Vol.83, No.2, 265-273, 1990.
18. Seiichi Wakaizumi, Takemi Hayashi and Morimitsu Tanimoto :
Fourth-generation effect on anticharm-charm asymmetry in B0 inclusive decays,
Physical Review D, Particles, Fields, Gravitation and Cosmology, Vol.39, No.9, 2792-2794, 1989.
19. Takemi Hayashi, Ryuichi Najima, Morimitsu Tanimoto and Seiichi Wakaizumi :
Rosen-type derivation of the quark mixing matrix in three- and four-generation schemes,
Physical Review D, Particles, Fields, Gravitation and Cosmology, Vol.38, No.3, 970-979, 1988.
20. Morimitsu Tanimoto, Takemi Hayashi, Ryuichi Najima and Seiichi Wakaizumi :
The Quark-Lepton Mass Matrices with the Fourth Generation and the Renormalization Group Equations,
Progress of Theoretical Physics, Vol.76, No.5, 1098-1108, 1986.
21. Takemi Hayashi, Morimitsu Tanimoto and Seiichi Wakaizumi :
Fourth Generation of Quarks and CP Violation in Neutral K and B Systems,
Progress of Theoretical Physics, Vol.75, No.2, 353-365, 1986.
22. Seiichi Wakaizumi :
Toward the Nuclear Forces in the Several GeV Energy Region,
Progress of Theoretical Physics, Vol.67, No.2, 531-546, 1982.
23. Seiichi Wakaizumi and Masahumi Sawamoto :
Spin-Dependent Forces abd Scattering Amplitudes for Elastic pp Scattering at 6GeV/c,
Progress of Theoretical Physics, Vol.64, No.5, 1699-1709, 1980.
24. Masahumi Sawamoto and Seiichi Wakaizumi :
Spin-Dependent Forces in Elastic pp Scattering at 6GeV/c,
Progress of Theoretical Physics, Vol.62, No.5, 1293-1306, 1979.
25. Masahumi Sawamoto and Seiichi Wakaizumi :
Analysis of Elastic p-p Scattering at 6GeV/c with Spin-Orbit and Spin-Spin Coupling Eikonals,
Progress of Theoretical Physics, Vol.62, No.2, 563-564, 1979.
26. Seiichi Wakaizumi :
High Energy π-p Elastic Scattering and Constituent Multiple Scattering Model,
Progress of Theoretical Physics, Vol.60, No.6, 1930-1931, 1978.
27. Seiichi Wakaizumi :
High Energy p-p Elastic Scattering and Multiple Scattering Model,
Progress of Theoretical Physics, Vol.60, No.4, 1040-1052, 1978.
28. Takao Koikawa, Masahisa Matsuda, Morimitsu Tanimoto and Seiichi Wakaizumi :
Phenomenological Analysis of Hadron Total Cross-Sections,
IL NUOVO CIMENTO, Vol.37, No.2, 161-174, 1977.
29. Ei-ichiro Kawai, Takao Koikawa, Masahisa Matsuda, Morimitsu Tanimoto and Seiichi Wakaizumi :
ψ Production and Quark Energy Distribution in Hadrons,
Progress of Theoretical Physics, Vol.56, No.5, 1654-1656, 1976.
30. Seiichi Wakaizumi, Takao Koikawa, Masahisa Matsuda and Morimitsu Tanimoto :
Total Cross Sections of Hadron Collisions,
Progress of Theoretical Physics, Vol.55, No.5, 1655-1656, 1976.
31. Seiichi Wakaizumi :
Proton-Proton Elastic Scattering at High-Energy and Multiple Scattering III,
Progress of Theoretical Physics, Vol.54, No.2, 447-459, 1975.
32. Morimitsu Tanimoto and Seiichi Wakaizumi :
pp Elastic Scattering in NAL and ISR Energy Region and Multiple Scattering in the Composite Model,
Progress of Theoretical Physics, Vol.52, No.4, 1000-1012, 1974.
33. Seiichi Wakaizumi :
Dip-Bump Structure of Hadron Large Angle Scattering in Terms of Multiple Scattering Mechanism and the Spin Correlation Parameters,
Progress of Theoretical Physics, Vol.46, No.4, 1125-1149, 1971.
34. Yoshinao Aihara, Masako Bando, Yoshimi Monden and Seiichi Wakaizumi :
The Surface Excitation Model of Hadron Resonances,
Progress of Theoretical Physics, Vol.44, No.3, 729-745, 1970.
35. Seiichi Wakaizumi :
Analysis of High Energy pp·anti p p·π±p Elastic Scattering in Terms of Multiple Scattering Mechanism in the Composite Model,
Progress of Theoretical Physics, Vol.42, No.4, 903-925, 1969.
36. Seiichi Wakaizumi :
π+N→N* Production in the Quark Model,
Progress of Theoretical Physics, Vol.38, No.3, 662-670, 1967.
(DOI: 10.1143/PTP.38.662,   CiNii: 110001202576)
37. Masako Bando, Ichio Fukui, Yoshio Takada, Seiichi Wakaizumi and Toshihiro Yoshida :
Quark Model and High Energy Scattering,
Progress of Theoretical Physics, Vol.37, No.1, 128-142, 1967.

Academic Letter:

1. Seiichi Wakaizumi, Takeshi Kurimoto and Atsushi Tomita :
WR effects on CP angles determination at a B factory,
Physics Letters B, Vol.381, No.4, 470-478, 1996.
2. Takemi Hayashi, Yoshio Koide, Masahisa Matsuda, Morimitsu Tanimoto and Seiichi Wakaizumi :
Electric dipole moments of neutron and electron in two-Higgs-doublet model with maximal CP violation,
Physics Letters B, Vol.348, No.3-4, 489-495, 1995.
3. Seiichi Wakaizumi :
Right-handed b to u coupling?,
Physics Letters B, Vol.322, No.4, 397-402, 1994.
4. Zenro Hioki, Tsutom Hasuike, Toshihiko Hattori, Toshio Hayashi and Seiichi Wakaizumi :
FACTORIZATION HYPOTHESIS FOR B NONLEPTONIC DECAYS WITHIN THE HEAVY QUARK EFFECTIVE THEORY,
Physics Letters B, Vol.299, No.1-2, 115-122, 1993.
5. Michael Gronau and Seiichi Wakaizumi :
Testing the chirality of b to c coupling in B→D*lν,
Physics Letters B, Vol.280, No.1,2, 79-84, 1992.
6. Michael Gronau and Seiichi Wakaizumi :
Does the b Quark decay Left-Handedly?,
Physical Review Letters, Vol.68, No.12, 1814-1817, 1992.
7. Tsutom Hasuike, Toshihiko Hattori, Toshio Hayashi and Seiichi Wakaizumi :
CP ASYMMETRIES IN NONLEPTONIC DECAY OF NEUTRAL B MESONS FOR THREE AND FOUR GENERATIONS,
Modern Physics Letters A, Vol.4, No.25, 2465-2471, 1989.
8. Icarus Bigi and Seiichi Wakaizumi :
INDIRECT SEARCHES FOR ULTRA-HEAVY QUARKS IN RARE DECAYS,
Physics Letters B, Vol.188, No.4, 501-505, 1987.
9. Ryuichi Najima and Seiichi Wakaizumi :
EFFECTS OF THE EXTRA Z-BOSON IN e+e-→W+W- REACTIONS,
Physics Letters B, Vol.184, No.4, 410-416, 1987.
10. Taizo Muta, Ryuichi Najima and Seiichi Wakaizumi :
EFFECTS OF THE W-BOSON WIDTH IN e+e-→W+W- REACTIONS,
Modern Physics Letters A, Vol.1, No.3, 203-210, 1986.
11. Seiichi Wakaizumi :
ELASTIC anti-p p SCATTERING IN THE CERN SPS ENERGY REGION,
Physics Letters B, Vol.113, No.3, 275-278, 1982.
12. Seiichi Wakaizumi and Morimitsu Tanimoto :
AN INDICATION OF THREE QUARK STRUCTURE FROM pp ELASTIC SCATTERING AT S**(1/2)=53 GEV,
Physics Letters B, Vol.70, No.1, 55-58, 1977.

Proceeding of International Conference:

1. Seiichi Wakaizumi :
K+→π+ ν anti ν decay in the four-generation model and its effects on unitarity triangle,
International Workshop on FERMION MASSES AND CP VIOLATION, 247-253, Hiroshima, Mar. 1998.
2. Seiichi Wakaizumi :
CP Violation in Top-Quark Decay,
International Workshop on MASSES AND MIXINGS OF QUARKS AND LEPTONS, 57-66, Shizuoka, Mar. 1997.
3. Seiichi Wakaizumi :
ε'/ε IN FOUR-GENERATION MODEL,
Nuclear Physics B - Proceedings Supplements, Vol.24A, 37-41, Los Angeles, Apr. 1990.
4. Seiichi Wakaizumi :
Proton-Proton Elastic Amplitudes at Several GeV,
AIP Conference Proceedings, Vol.95, 217-222, New York, Sep. 1982.
5. Seiichi Wakaizumi and Morimitsu Tanimoto :
High Energy Proton-Proton Elastic Scattering and Multiple Scattering Model,
AIP Conference Proceedings, Vol.41, 253-256, Vancouver, Jun. 1977.

Proceeding of Domestic Conference:

1. Norihiko Koori, Takahito Saito, Kazuhide Kanenishi, Tetsuya Yoshinaga, Ken'ichi Fujimoto, Toshio Gotoh and Seiichi Wakaizumi :
eコンテンツ開発の現状とコース管理システムMoodle,
平成19年度全学FD 徳島大学教育カンファレンス発表抄録集, 44-45, Jan. 2008.
2. Norihiko Koori, Takahito Saito, Makoto Ohashi, Seiichi Wakaizumi, Toshio Gotoh, Tetsuya Yoshinaga and Ken'ichi Fujimoto :
2006年問題に対するeコンテンツ開発と学習環境の整備,
平成18年度全学FD 徳島大学教育カンファレンス発表抄録集, 51-52, Mar. 2007.
3. Takahito Saito and Seiichi Wakaizumi :
大学入門科目 物理学におけるeラーニング,
平成18年度全学FD 徳島大学教育カンファレンス, Mar. 2007.
4. Seiichi Wakaizumi :
Effects of Flavor-changing Neutrino Interactions to Neutrino Oscillations,
第26回素粒子論グループ四国セミナー, Apr. 2003.
5. Seiichi Wakaizumi, Toshihiko Hattori and Tsutom Hasuike :
Flavor changing neutrino interactions and CP violation in neutrino oscillations,
日本物理学会年次大会, Vol.58, Mar. 2003.
6. Seiichi Wakaizumi :
CP Violation in Neutrino Oscillations,
第25回素粒子論グループ四国セミナー, Apr. 2002.
7. Seiichi Wakaizumi :
The Neutrino Oscillations and CP Violation,
第24回素粒子論グループ四国セミナー, Apr. 2001.
8. Tsutom Hasuike, Toshihiko Hattori and Seiichi Wakaizumi :
CP violation in neutrino oscillations in four-generation model,
日本物理学会2000年春の分科会, Mar. 2000.
9. Seiichi Wakaizumi :
CP violation in long-baseline experiments in the four-neutrino model,
研究会「ニュートリノ振動をめぐる理論的諸問題」, Feb. 2000.
10. Tsutom Hasuike, Toshihiko Hattori and Seiichi Wakaizumi :
CP Violation in Semileptonic Top-quark Decays in 2-Higgs Doublet Model,
日本物理学会秋の分科会, Oct. 1998.
11. Toshihiko Hattori, Tsutom Hasuike and Seiichi Wakaizumi :
K+→π+ ν anti ν in the Four-generation Model,
日本物理学会秋の分科会, Oct. 1998.
12. Seiichi Wakaizumi :
CP violation in t→W+b in two-Higgs doublet model,
研究会「フレーバの物理とその周辺」, Jan. 1997.
13. Takeshi Kurimoto, Atsushi Tomita and Seiichi Wakaizumi :
Effects of WR in the Determination of CP Angles,
日本物理学会年次大会, Vol.51, Mar. 1996.
14. Seiichi Wakaizumi, Tsutom Hasuike, Toshihiko Hattori and Toshio Hayashi :
Right-handed b decay model and CP Violation,
日本物理学会年次大会, Vol.49, Mar. 1994.
15. Tsutom Hasuike, Toshihiko Hattori, Toshio Hayashi, Zenro Hioki and Seiichi Wakaizumi :
D 粒子のノンレプトニック崩壊における質量補正,
日本物理学会年次大会, Mar. 1994.
16. Seiichi Wakaizumi :
The Chirality of b-quark Decay and CP Violation,
研究会「CP非保存とその起源」, Mar. 1994.
17. Seiichi Wakaizumi :
Charged Current Chirality in b-quark Decays,
研究会「素粒子物理とその将来像」, Jan. 1994.
18. Seiichi Wakaizumi :
Chirality of b-quark Charged Current Decay,
日本物理学会秋の分科会, Oct. 1993.
19. Zenro Hioki, Tsutom Hasuike, Toshihiko Hattori, Toshio Hayashi and Seiichi Wakaizumi :
重いクォークの有効理論による非レプトン B^0 崩壊の分析,
研究会「B, D, K 中間子物理とクォーク混合,CP の破れ」, Aug. 1992.
20. Taizou Muta, Minoru Yonezawa, Masayoshi Kikugawa, Jiro Kodaira, Takemi Hayashi, Tadashi Yano, Ryuichi Najima and Seiichi Wakaizumi :
Momentum Integration Formula of the One-loop Box for the Off-shells in terms of Orthonormal bases II,
日本物理学会秋の分科会, Oct. 1990.
21. Tsutom Hasuike, Toshihiko Hattori, Toshio Hayashi and Seiichi Wakaizumi :
Time-integrated and Time-dependent CP Asymmetries of Neutral B Meson Nonleptonic Decays,
日本物理学会年会, Vol.45, Apr. 1990.
22. Taizou Muta, Minoru Yonezawa, Masayoshi Kikugawa, Jiro Kodaira, Takemi Hayashi, Tadashi Yano, Ryuichi Najima and Seiichi Wakaizumi :
Momentum Integration Formula of the One-loop Vertex for the Off-shells in terms of Orthonormal bases II,
日本物理学会年会, Vol.45, Mar. 1990.
23. Tsutom Hasuike, Toshihiko Hattori, Toshio Hayashi and Seiichi Wakaizumi :
CP Asymmetries of Neutral B Meson Decays in the Three- and Four-generation Models,
日本物理学会秋の分科会, Oct. 1989.
24. Taizou Muta, Minoru Yonezawa, Masayoshi Kikugawa, Jiro Kodaira, Takemi Hayashi, Tadashi Yano, Ryuichi Najima and Seiichi Wakaizumi :
Momentum Integration Formula of the One-loop Box in terms of Orthonormal bases,
日本物理学会秋の分科会, Oct. 1989.
25. Takemi Hayashi, Morimitsu Taminoto and Seiichi Wakaizumi :
Effects of 4th-generation quarks to CP Nonconservation in the Inclusive Decay of Neutral B Mesons,
日本物理学会年会, Vol.44, Mar. 1989.
26. Taizo Muta, Minoru Yonezawa, Masayoshi Kikugawa, Jiro Kodaira, Takemi Hayashi, Tadashi Yano, Ryuichi Najima and Seiichi Wakaizumi :
Momentum Integration Formula of One-loop Vertex Diagrams in terms of Orthonormal bases,
日本物理学会年会, Vol.44, Mar. 1989.
27. Takemi Hayashi, Morimitsu Tanimoto and Seiichi Wakaizumi :
The effects of 4th Generation Quarks to CP Violation,
日本物理学会秋の分科会, Oct. 1988.
28. Seiichi Wakaizumi :
4th Generation Quarks and Rare Decays,
中国四国支部例会, Jul. 1988.
29. Masafumi Sawamoto and Seiichi Wakaizumi :
The Proton-Proton Elastic Scattering Amplitudes at 6GeV/c,
日本物理学会年会, Vol.35, Mar. 1980.
30. Masafumi Sawamoto and Seiichi Wakaizumi :
Spin-dependent Forces of Proton-Proton Scattering around 10GeV/c,
日本物理学会年会, Vol.34, Mar. 1979.
31. Eiichiro Kawai, Takao Koikawa, Masahisa Matsuda, Morimitsu Tanimoto and Seiichi Wakaizumi :
New Particles and Hadron Interactions,
日本物理学会年会, Vol.31, Apr. 1978.
32. Morimitsu Tanimoto, Masakatsu Yamazaki and Seiichi Wakaizumi :
High Energy Proton-Proton Elastic Scattering and Fresnel Corrections to the Multiple Scattering Effect,
日本物理学会年会, Vol.30, Apr. 1975.
33. Seiichi Wakaizumi :
The Description of Elementary Particle Reactions in terms of the Composite Particle Collision,
日本物理学会春季大会, Apr. 1972.
34. Seiichi Wakaizumi :
Spin Correlation Coefficients of the Elementary Particle Reaction in the Composite Model,
日本物理学会年会, Vol.25, Oct. 1970.
35. Yosinao Aihara, Yoshimi Monden, Masako Bando and Seiichi Wakaizumi :
Resonance Production of Elementary Particles by the Surface Excitation,
日本物理学会秋の分科会, Oct. 1969.
36. Seiichi Wakaizumi :
The Analysis of Elementary Particle Reactions in the Quark Model,
日本物理学会年会, Vol.24, Apr. 1969.

Grants-in-Aid for Scientific Research (KAKEN Grants Database @ NII.ac.jp)

  • The origin of elementary particle interaction (Project/Area Number: 06302020 )
  • CP対称性の破れの起源と中性子の電気双極子モーメント (Project/Area Number: 06220101 )
  • Violation of symmetry in B hadron decay (Project/Area Number: 05640352 )
  • CP非保存の起源及び輻射補正に関する理論的研究 (Project/Area Number: 05228101 )
  • Higher-order Effects in Electroweak Interactions (Project/Area Number: 60540184 )
  • Search by Researcher Number (90033886)