SCOAP3 Repository 12 records found  1 - 10nextSearch took 0.02 seconds. 
1. Bosonic-seesaw portal dark matter / Ishida, Hiroyuki ; Matsuzaki, Shinya ; Yamaguchi, Yuya
We discuss a new type of Higgs-portal dark matter (DM) production mechanism, called the bosonic-seesaw portal (BSP) scenario. [...]
Published in PTEP 2017 (2017) 103B01 10.1093/ptep/ptx132 arXiv:1610.07137
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2. Multiple-point principle with a scalar singlet extension of the standard model / Haba, Naoyuki ; Ishida, Hiroyuki ; Okada, Nobuchika ; Yamaguchi, Yuya
We suggest a scalar singlet extension of the standard model, in which the multiple-point principle (MPP) condition of a vanishing Higgs potential at the Planck scale is realized. [...]
Published in PTEP 2017 (2017) 013B03 10.1093/ptep/ptw186 arXiv:1608.00087
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3. Naturalness and lepton number/flavor violation in inverse seesaw models / Haba, Naoyuki ; Ishida, Hiroyuki ; Yamaguchi, Yuya
We introduce three right-handed neutrinos and three sterile neutrinos, and consider an inverse seesaw mechanism for neutrino mass generation. [...]
Published in JHEP 1611 (2016) 003 10.1007/JHEP11(2016)003 arXiv:1608.07447
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4. Vacuum stability and naturalness in type-II seesaw / Haba, Naoyuki ; Ishida, Hiroyuki ; Okada, Nobuchika ; Yamaguchi, Yuya
We study the vacuum stability and perturbativity conditions in the minimal type-II seesaw model. [...]
Published in EPJC 76 (2016) 333 10.1140/epjc/s10052-016-4180-z
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5. A new dynamics of electroweak symmetry breaking with classically scale invariance / Haba, Naoyuki ; Ishida, Hiroyuki ; Kitazawa, Noriaki ; Yamaguchi, Yuya
We propose a new dynamics of the electroweak symmetry breaking in a classically scale invariant version of the standard model. [...]
Published in Physics letters B (2016) 10.1016/j.physletb.2016.02.052
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6. Gauge coupling unification in a classically scale invariant model / Haba, Naoyuki ; Ishida, Hiroyuki ; Takahashi, Ryo ; Yamaguchi, Yuya
There are a lot of works within a class of classically scale invariant model, which is motivated by solving the gauge hierarchy problem. [...]
Published in JHEP 1602 (2016) 058 10.1007/JHEP02(2016)058 arXiv:1511.02107
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7. Bosonic seesaw mechanism in a classically conformal extension of the Standard Model / Haba, Naoyuki ; Ishida, Hiroyuki ; Okada, Nobuchika ; Yamaguchi, Yuya
We suggest the so-called bosonic seesaw mechanism in the context of a classically conformal U(1)B−L extension of the Standard Model with two Higgs doublet fields. [...]
Published in Physics letters B (2016) 10.1016/j.physletb.2016.01.050
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8. Hierarchy problem, gauge coupling unification at the Planck scale, and vacuum stability / Haba, Naoyuki ; Ishida, Hiroyuki ; Takahashi, Ryo ; Yamaguchi, Yuya
From the point of view of the gauge hierarchy problem, introducing an intermediate scale in addition to TeV scale and the Planck scale ( MPl=2.4×1018 GeV ) is unfavorable. [...]
Published in Nuclear Physics B (2015) 10.1016/j.nuclphysb.2015.09.004
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9. Vacuum stability in the U (1) extended model with vanishing scalar potential at the Planck scale / Haba, Naoyuki ; Yamaguchi, Yuya
We investigate the vacuum stability in a scale invariant local model with vanishing scalar potential at the Planck scale. [...]
Published in PTEP 2015 (2015) 093B05 10.1093/ptep/ptv121 arXiv:1504.05669
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10. Axion monodromy inflation with sinusoidal corrections / Kobayashi, Tatsuo ; Seto, Osamu ; Yamaguchi, Yuya
We study the axion monodromy inflation with a non-perturbatively generated sinusoidal term. [...]
Published in PTEP 2014 (2014) 103E01 10.1093/ptep/ptu145 arXiv:1404.5518
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SCOAP3 Repository : 12 records found   1 - 10next
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