研究種目：基盤研究(C)
研究課題番号：24540272
研究期間：2012年4月1日～2017年3月31日
本研究は、素粒子の標準模型の背後にある新しい物理(new physics)の探求を、模型構築の見地から行い、LHC・ILC実験でどの様に観測されるかを解析することである。具体的には、(1): LHCで標準模型を越える物理が超対称性理論か余剰次元理論かをトップのpolarizationを観測することで判別する方法の確立と解析、(2): left-handed squarkとright-handed squarkの質量縮退度の制限の評価、(3): neutrinoの極微質量を導出する新しい2 Higgs Doublet ModelのLHC・ILC物理、(4): SUSYの強結合ダイナミクスでParityの自発的破れが自然に起きる模型とそのLHC・ILC物理、(5): 新しいbaryogenesis機構の構築とそのLHC・ILC物理、(6): インフレーションとbaryogenesisを統一する模型の構築、等の研究を中心に行う。
研究成果：
査読付き学術雑誌掲載論文：
Multiple-point principle with a scalar singlet extension of the Standard Model,
N. Haba, H. Ishida, N. Okada and Y. Yamaguchi,
Published in PTEP 2017, no. 1, 013B03-1-13 (2017)
DOI: 10.1093/ptep/ptw186
Strong dynamics in a classically scale invariant extension of the standard model with a flat potential,
N. Haba and T. Yamada,
Published in Phys. Rev. D 95, no. 11, 115016-1-22 (2017).
DOI: 10.1103/PhysRevD.95.115016
Multiple-point principle realized with strong dynamics,
N. Haba and T. Yamada,
Published in Phys. Rev. D 95, no. 11, 115015-1-10 (2017).
DOI: 10.1103/PhysRevD.95.115015
Heavy neutrino mixing in the T2HK, the T2HKK and an extension of the T2HK with a detector at Oki Islands,
Y. Abe, Y. Asano, N. Haba and T. Yamada,
Published in Eur. Phys. J. C 77, no. 12, 851-1-23 (2017).
DOI: 10.1140/epjc/s10052-017-5294-7
Semialigned two Higgs doublet model,
N. Haba, H. Umeeda and T. Yamada,
Published in Phys. Rev. D 97, no. 3, 035004 -1-15 (2018).
DOI: 10.1103/PhysRevD.97.035004
Prediction on Neutrino Dirac and Majorana Phases and Absolute Mass Scale from the CKM Matrix,
N. Haba and T. Yamada,
Published in Phys. Rev. D 97, no. 5, 055018 -1-13 (2018).
DOI: 10.1103/PhysRevD.97.055018
Naturalness and lepton number/flavor violation in inverse seesaw models
Naoyuki Haba (Shimane U.), Hiroyuki Ishida (Shimane U. & NCTS, Hsinchu), Yuya Yamaguchi (Shimane U. & Hokkaido U.).
Published in JHEP 1611 (2016) 003
DOI: 10.1007/JHEP11(2016)003
Proton decay prediction from a gauge-Higgs unification scenario in five dimensions
Naoyuki Haba (Shimane U.), Nobuchika Okada (Alabama U.), Toshifumi Yamada (Shimane U.).
Published in Phys.Rev. D94 (2016) no.7, 071701
DOI: 10.1103/PhysRevD.94.071701
Multiple-point principle with a scalar singlet extension of the Standard Model
Naoyuki Haba, Hiroyuki Ishida (Shimane U.), Nobuchika Okada (Alabama U.), Yuya Yamaguchi (Hokkaido U. & Shimane U.).
Published in PTEP 2017 (2017) no.1, 013B03
DOI: 10.1093/ptep/ptw186
Vacuum stability and naturalness in type-II seesaw
Naoyuki Haba, Hiroyuki Ishida (Shimane U.), Nobuchika Okada (Alabama U.), Yuya Yamaguchi (Hokkaido U. & Shimane U.).
Published in Eur.Phys.J. C76 (2016) no.6, 333
DOI: 10.1140/epjc/s10052-016-4180-z
A new dynamics of electroweak symmetry breaking with classically scale invariance
Naoyuki Haba, Hiroyuki Ishida (Shimane U.), Noriaki Kitazawa (Tokyo Metropolitan U.), Yuya Yamaguchi (Hokkaido U. & Shimane U.).
Published in Phys.Lett. B755 (2016) 439-443
DOI: 10.1016/j.physletb.2016.02.052
Gauge coupling unification in a classically scale invariant model
Naoyuki Haba, Hiroyuki Ishida (Shimane U.), Ryo Takahashi (Tohoku U.), Yuya Yamaguchi (Shimane U. & Hokkaido U.).
Published in JHEP 1602 (2016) 058
DOI: 10.1007/JHEP02(2016)058
Origins of Tiny Neutrino Mass & Large Flavor Mixings
Naoyuki Haba (Shimane U.). 2015. 8 pp.
Published in JPS Conf.Proc. 8 (2015) 023001
DOI: 10.7566/JPSCP.8.023001
Bosonic seesaw mechanism in a classically conformal extension of the Standard Model
Naoyuki Haba, Hiroyuki Ishida (Shimane U.), Nobuchika Okada (Alabama U.), Yuya Yamaguchi (Shimane U. & Hokkaido U.).
Published in Phys.Lett. B754 (2016) 349-352
DOI: 10.1016/j.physletb.2016.01.050
A model realizing inverse seesaw and resonant leptogenesis
Mayumi Aoki (Kanazawa U., Inst. Theor. Phys.), Naoyuki Haba (Shimane U.), Ryo Takahashi (Shimane U. & Tohoku U.).
Published in PTEP 2015 (2015) no.11, 113B03
DOI: 10.1093/ptep/ptv149
Vacuum stability in the U(1)χU1χ extended model with vanishing scalar potential at the Planck scale
Naoyuki Haba (Shimane U.), Yuya Yamaguchi (Shimane U. & Hokkaido U.).
Published in PTEP 2015 (2015) no.9, 093B05
DOI: 10.1093/ptep/ptv121
Search for new physics via photon polarization of b→sγbsγ
Naoyuki Haba, Hiroyuki Ishida (Shimane U.), Tsuyoshi Nakaya (Kyoto U.), Yasuhiro Shimizu (Tohoku U. & Kogakuin U., Hachioji), Ryo Takahashi (Shimane U.).
Published in JHEP 1503 (2015) 160
DOI: 10.1007/JHEP03(2015)160
Hierarchy problem, gauge coupling unification at the Planck scale, and vacuum stability
Naoyuki Haba, Hiroyuki Ishida, Ryo Takahashi (Shimane U.), Yuya Yamaguchi (Shimane U. & Hokkaido U.).
Published in Nucl.Phys. B900 (2015) 244-258
DOI: 10.1016/j.nuclphysb.2015.09.004
Gravitational effects on vanishing Higgs potential at the Planck scale
Naoyuki Haba (Shimane U.), Kunio Kaneta (Tokyo U., ICRR), Ryo Takahashi (Shimane U.), Yuya Yamaguchi (Hokkaido U.).
Published in Phys.Rev. D91 (2015) no.1, 016004
DOI: 10.1103/PhysRevD.91.016004
νRνR dark matter-philic Higgs for 3.5 keV X-ray signal
Naoyuki Haba, Hiroyuki Ishida, Ryo Takahashi (Shimane U.).
Published in Phys.Lett. B743 (2015) 35-38
DOI: 10.1016/j.physletb.2015.02.014
Vanishing Higgs potential at the Planck scale in a singlet extension of the standard model
Naoyuki Haba, Hiroyuki Ishida (Shimane U.), Kunio Kaneta (Tokyo U., ICRR), Ryo Takahashi (Shimane U.).
Published in Phys.Rev. D90 (2014) 036006
DOI: 10.1103/PhysRevD.90.036006
Higgs inflation and Higgs portal dark matter with right-handed neutrinos
Naoyuki Haba, Hiroyuki Ishida, Ryo Takahashi (Shimane U.).
Published in PTEP 2015 (2015) no.5, 053B01
DOI: 10.1093/ptep/ptv053
Higgs inflation with singlet scalar dark matter and right-handed neutrino in light of BICEP2
Naoyuki Haba, Ryo Takahashi (Shimane U.).
Published in Phys.Rev. D89 (2014) no.11, 115009, Erratum: Phys.Rev. D90 (2014) no.3, 039905
DOI: 10.1103/PhysRevD.89.115009, 10.1103/PhysRevD.90.039905
Accurate renormalization group analyses in neutrino sector
Naoyuki Haba (Shimane U.), Kunio Kaneta (Tokyo U., IPMU), Ryo Takahashi (Shimane U.), Yuya Yamaguchi (Hokkaido U.).
Published in Nucl.Phys. B885 (2014) 180-195
DOI: 10.1016/j.nuclphysb.2014.05.022
Neutrino mass from neutrinophilic Higgs and leptogenesis
Naoyuki Haba (Shimane U.), Osamu Seto (Hokkai-Gakuen U.), Yuya Yamaguchi (Hokkaido U.). .
HGU-CAP-028, SU-HET-01-2014, EPHOU-14-001
Conference: C13-11-12 Proceedings
μμ term and supersymmetry breaking from 6D theory
Yuki Adachi (Matsue Natl. Tech. Coll.), Naoyuki Haba (Shimane U.), Toshifumi Yamashita (Aichi Medical U.).
Published in PTEP 2014 (2014) no.6, 063B05
DOI: 10.1093/ptep/ptu074
Planck scale boundary conditions in the standard model with singlet scalar dark matter
Naoyuki Haba (Shimane U.), Kunio Kaneta (Tokyo U., IPMU), Ryo Takahashi (Shimane U.).
Published in JHEP 1404 (2014) 029
DOI: 10.1007/JHEP04(2014)029
Next to new minimal standard model
Naoyuki Haba (Shimane U. & Hokkaido U.), Kunio Kaneta (Hokkaido U. & Tokyo U., IPMU & Osaka U.), Ryo Takahashi (Hokkaido U.).
Published in Phys.Lett. B734 (2014) 220-226
DOI: 10.1016/j.physletb.2014.05.016
NNMSM type-II and -III
Naoyuki Haba (Shimane U. & Hokkaido U.), Kunio Kaneta (Hokkaido U. & Tokyo U., IPMU & Osaka U.), Ryo Takahashi (Hokkaido U.).
Published in Eur.Phys.J. C74 (2014) 2696-1 - 2696-12
DOI: 10.1140/epjc/s10052-013-2696-z
Higgs Pair Production at the LHC and ILC from general potential
Naoyuki Haba (Shimane U.), Kunio Kaneta (Tokyo U., IPMU), Yukihiro Mimura (Taiwan, Natl. Taiwan U.), Enkhbat Tsedenbaljir (Ulaanbaatar U.).
Published in Phys.Rev. D89 (2014) 015018-1 - 015018-14
DOI: 10.1103/PhysRevD.89.015018
QCD Parity violation in a quarkonium via SUSY
Naoyuki Haba, Kunio Kaneta, Tetsuya Onogi (Osaka U.).
Acta Phys.Polon. B44 (2013) 733-760
DOI: 10.5506/APhysPolB.44.733
Enhancement of Higgs to diphoton decay width in non-perturbative Higgs model
Naoyuki Haba (Hokkaido U.), Kunio Kaneta (Hokkaido U. & Osaka U.), Yukihiro Mimura (Taiwan, Natl. Taiwan U.), Ryo Takahashi (Hokkaido U.).
Published in Phys.Lett. B718 (2013) 1441-1446
DOI: 10.1016/j.physletb.2012.12.049
Stability of Leptonic Self-complementarity
Naoyuki Haba (Hokkaido U.), Kunio Kaneta (Osaka U. & Hokkaido U.), Ryo Takahashi (Hokkaido U.).
Published in Europhys.Lett. 101 (2013) 11001-1 - 11001-5
DOI: 10.1209/0295-5075/101/11001
QCD parity violation at LHC in warped extra dimension
Naoyuki Haba (Hokkaido U.), Kunio Kaneta (Hokkaido U. & Osaka U.), Soshi Tsuno (KEK, Tsukuba).
Published in Phys.Rev. D87 (2013) 095002-1 - 095002-7
DOI: 10.1103/PhysRevD.87.095002
Constraints on neutrino mass ordering and degeneracy from Planck and neutrino-less double beta decay
Naoyuki Haba, Ryo Takahashi (Hokkaido U.). May 1, 2013. 10 pp.
Published in Acta Phys.Polon. B45 (2014) 1, 61-69
DOI: 10.5506/APhysPolB.45.61
Resonant leptogenesis with mild degeneracy
Naoyuki Haba (Hokkaido U.), Osamu Seto (Hokkai-Gakuen U.), Yuya Yamaguchi (Hokkaido U.).
Published in Phys.Rev. D87 (2013) 12, 123540-1 - 123540-7
DOI: 10.1103/PhysRevD.87.123540
Renormalization group invariants in neutrino sector
Naoyuki Haba (Shimane U. & Hokkaido U.), Ryo Takahashi (Hokkaido U.).
Published in JHEP 1308 (2013) 123-1 – 123-17
DOI: 10.1007/JHEP08(2013)123