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Seto Osamu  瀬戸 治

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瀬戸 治  セト オサム

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Researcher Number 40547741
Other IDs
Affiliation (Current) 2025: 北海道大学, 理学研究院, 教授
Affiliation (based on the past Project Information) *help 2022 – 2023: 北海道大学, 理学研究院, 准教授
2019 – 2021: 北海道大学, 高等教育推進機構, 特任准教授
2016: 北海道大学, 国際連携機構, 特任准教授
2014 – 2015: 北海学園大学, 工学部, 准教授
Review Section/Research Field
Principal Investigator
Science and Engineering / Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
Except Principal Investigator
Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics / Particle/Nuclear/Cosmic ray/Astro physics
Keywords
Principal Investigator
暗黒物質 / ニュートリノ / 不活性ニュートリノ / 相転移 / 重力波 / 初期宇宙 / バリオン数非対称性 / 右巻きニュートリノ / 極弱ゲージ相互作用 / 大統一理論 / 宇宙の物質反物質非対称性生成 / ニュートリノフィリックヒッグス模型 / ニュートリノフィリックヒッグス場 … More
Except Principal Investigator
… More 超対称性 / 素粒子論 / 陽子崩壊 / 大統一理論 / 量子異常 / ディラック・ゲージーノ / 超対称大統一模型 / ゲージ・ヒッグス統一模型 / 暗黒物質 / ヒッグス粒子 Less
  • Research Projects

    (7 results)
  • Research Products

    (99 results)
  • Co-Researchers

    (5 People)
  •  極弱ゲージ相互作用する不活性ニュートリノの宇宙論的研究Principal Investigator

    • Principal Investigator
      瀬戸 治
    • Project Period (FY)
      2023 – 2025
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
    • Research Institution
      Hokkaido University
  •  不活性ニュートリノ暗黒物質の間接検出可能性Principal Investigator

    • Principal Investigator
      瀬戸 治
    • Project Period (FY)
      2021 – 2022
    • Research Category
      Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
    • Review Section
      Science and Engineering
    • Research Institution
      Hokkaido University
  •  Study of right-handed neutrino masses using gravitational wavesPrincipal Investigator

    • Principal Investigator
      Seto Osamu
    • Project Period (FY)
      2019 – 2023
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
    • Research Institution
      Hokkaido University
  •  Grand Unified Theory indicated by Higgs Mass and Study of Proton Decay

    • Principal Investigator
      中野 博章
    • Project Period (FY)
      2019 – 2024
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
    • Research Institution
      Niigata University
  •  ニュートリノ相互作用を規定する対称性の解明Principal Investigator

    • Principal Investigator
      瀬戸 治
    • Project Period (FY)
      2019 – 2020
    • Research Category
      Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
    • Review Section
      Science and Engineering
    • Research Institution
      Hokkaido University
  •  A study on Higgs particle and dark matter candidates in a SUSY model with a continuos R symmetry

    • Principal Investigator
      NAKANO HIROAKI
    • Project Period (FY)
      2014 – 2016
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Particle/Nuclear/Cosmic ray/Astro physics
    • Research Institution
      Niigata University
  •  ニュートリノ質量起源としての新型ヒッグス模型の宇宙論的研究Principal Investigator

    • Principal Investigator
      瀬戸 治
    • Project Period (FY)
      2014 – 2015
    • Research Category
      Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
    • Review Section
      Science and Engineering
    • Research Institution
      Hokkai-Gakuen University

All 2024 2023 2022 2021 2020 2019 2016 2015 2014

All Journal Article Presentation

  • [Journal Article] Intergenerational gauged B-L model and its implication to the muon g-2 anomaly and thermal dark matter2023

    • Author(s)
      Okada Nobuchika、Seto Osamu
    • Journal Title

      Physical Review D

      Volume: 108 Issue: 8

    • DOI

      10.1103/physrevd.108.083504

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23K03402, KAKENHI-PROJECT-19K03860
  • [Journal Article] Variation of the fine structure constant in light of recent helium abundance measurement2023

    • Author(s)
      Seto Osamu、Takahashi Tomo、Toda Yo
    • Journal Title

      Physical Review D

      Volume: 108 Issue: 2 Pages: 023525-023525

    • DOI

      10.1103/physrevd.108.023525

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-23K03402, KAKENHI-PROJECT-19K03860, KAKENHI-PROJECT-19K03874, KAKENHI-PUBLICLY-23H04515
  • [Journal Article] Low-scale leptogenesis and dark matter in a three-loop radiative seesaw model2023

    • Author(s)
      Seto Osamu、Shindou Tetsuo、Tsuyuki Takanao
    • Journal Title

      Physical Review D

      Volume: 108 Issue: 5

    • DOI

      10.1103/physrevd.108.055002

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-23K03402, KAKENHI-PROJECT-19K03860
  • [Journal Article] Light cold dark matter from non-thermal decay2023

    • Author(s)
      Choi Ki-Young、Gong Jinn-Ouk、Joh Junghoon、Park Wan-Il、Seto Osamu
    • Journal Title

      Physics Letters B

      Volume: 845 Pages: 138126-138126

    • DOI

      10.1016/j.physletb.2023.138126

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23K03402, KAKENHI-PROJECT-19K03860
  • [Journal Article] Dark radiation in spectator axion?gauge models2022

    • Author(s)
      Kakizaki Mitsuru、Ogata Masahito、Seto Osamu
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2022 Issue: 3

    • DOI

      10.1093/ptep/ptac029

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PUBLICLY-21H00060, KAKENHI-PROJECT-19K03860, KAKENHI-PROJECT-21K03571, KAKENHI-PROJECT-20H00160
  • [Journal Article] Chiral Z' in FASER, FASER2, DUNE, and ILC beam dump experiments2022

    • Author(s)
      Asai Kento、Das Arindam、Li Jinmian、Nomura Takaaki、Seto Osamu
    • Journal Title

      Physical Review D

      Volume: 106 Issue: 9 Pages: 95033-95033

    • DOI

      10.1103/physrevd.106.095033

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860, KAKENHI-PROJECT-21K20365, KAKENHI-PUBLICLY-21H00060
  • [Journal Article] Dirac gaugino from grand gauge-Higgs unification2022

    • Author(s)
      Nakano Hiroaki、Sato Masamichi、Seto Osamu、Yamashita Toshifumi
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2022 Issue: 3 Pages: 1-23

    • DOI

      10.1093/ptep/ptac031

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K03865
  • [Journal Article] Revisiting sterile neutrino dark matter in gauged U(1)B-L model2022

    • Author(s)
      Eijima Shintaro、Seto Osamu、Shimomura Takashi
    • Journal Title

      Physical Review D

      Volume: 106 Issue: 10 Pages: 103513-103513

    • DOI

      10.1103/physrevd.106.103513

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K03860, KAKENHI-PROJECT-22K03622, KAKENHI-PROJECT-18H01210, KAKENHI-PROJECT-18K03651, KAKENHI-PUBLICLY-21H00060
  • [Journal Article] Lower bounds on lepton flavor violating branching ratios in a radiative seesaw model2022

    • Author(s)
      Seto Osamu、Shindou Tetsuo、Tsuyuki Takanao
    • Journal Title

      Physical Review D

      Volume: 105 Issue: 9 Pages: 95018-95018

    • DOI

      10.1103/physrevd.105.095018

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K03860, KAKENHI-PUBLICLY-21H00060, KAKENHI-PROJECT-20H00160
  • [Journal Article] Sterile neutrino dark matter with dipole interaction2022

    • Author(s)
      Cho Wonsub、Choi Ki-Young、Seto Osamu
    • Journal Title

      Physical Review D

      Volume: 105 Issue: 1 Pages: 015016-015016

    • DOI

      10.1103/physrevd.105.015016

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-21H00060, KAKENHI-PROJECT-19K03860
  • [Journal Article] Hubble tension in lepton asymmetric cosmology with an extra radiation2021

    • Author(s)
      Seto Osamu、Toda Yo
    • Journal Title

      Physical Review D

      Volume: 104 Issue: 6 Pages: 063019-063019

    • DOI

      10.1103/physrevd.104.063019

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PUBLICLY-21H00060, KAKENHI-PROJECT-19K03860
  • [Journal Article] Gravitational waves from breaking of an extra U(1) in SO(10) grand unification2021

    • Author(s)
      Okada Nobuchika、Seto Osamu、Uchida Hikaru
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2021 Issue: 3

    • DOI

      10.1093/ptep/ptab003

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860, KAKENHI-PUBLICLY-19H05091, KAKENHI-PROJECT-20J20388
  • [Journal Article] Atomki anomaly in gauged U(1)R symmetric model2021

    • Author(s)
      Seto Osamu、Shimomura Takashi
    • Journal Title

      Journal of High Energy Physics volume

      Volume: 2021 Issue: 4 Pages: 25-25

    • DOI

      10.1007/jhep04(2021)025

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K03860, KAKENHI-PUBLICLY-19H05091
  • [Journal Article] Probing for ALPino dark matter at beam dump experiments2021

    • Author(s)
      Choi Ki-Young、Inami Takeo、Kadota Kenji、Park Inwoo、Seto Osamu
    • Journal Title

      AIP Conference Proceedings

      Volume: 2343 Pages: 020014-020014

    • DOI

      10.1063/5.0047881

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860, KAKENHI-PUBLICLY-19H05091
  • [Journal Article] Lepton flavour violation in a radiative neutrino mass model with the asymmetric Yukawa structure2021

    • Author(s)
      Irie Yoko、Seto Osamu、Shindou Tetsuo
    • Journal Title

      Physics Letters B

      Volume: 820 Pages: 136486-136486

    • DOI

      10.1016/j.physletb.2021.136486

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PUBLICLY-21H00060, KAKENHI-PROJECT-19K03860, KAKENHI-PROJECT-20H00160
  • [Journal Article] Inelastic extra U(1) charged scalar dark matter2020

    • Author(s)
      Okada Nobuchika、Seto Osamu
    • Journal Title

      Physical Review D

      Volume: 101 Issue: 2 Pages: 023522-023522

    • DOI

      10.1103/physrevd.101.023522

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860, KAKENHI-PUBLICLY-19H05091
  • [Journal Article] Searching for axino-like particle at fixed target experiments2020

    • Author(s)
      Choi Ki-Young、Inami Takeo、Kadota Kenji、Park Inwoo、Seto Osamu
    • Journal Title

      Physics of the Dark Universe

      Volume: 27 Pages: 100460-100460

    • DOI

      10.1016/j.dark.2020.100460

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860, KAKENHI-PUBLICLY-19H05091
  • [Journal Article] Signal from sterile neutrino dark matter in extra U(1) model at direct detection experiment2020

    • Author(s)
      Seto Osamu、Shimomura Takashi
    • Journal Title

      Physics Letters B

      Volume: 811 Pages: 135880-135880

    • DOI

      10.1016/j.physletb.2020.135880

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18K03651, KAKENHI-PROJECT-19K03860, KAKENHI-PUBLICLY-19H05091, KAKENHI-PLANNED-18H05543
  • [Journal Article] Gravitational waves from the minimal gauged U(1)B?L model2019

    • Author(s)
      Hasegawa Taiki、Okada Nobuchika、Seto Osamu
    • Journal Title

      Physical Review D

      Volume: 99 Issue: 9 Pages: 095039-095039

    • DOI

      10.1103/physrevd.99.095039

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860, KAKENHI-PUBLICLY-19H05091
  • [Journal Article] Beginning of Universe through large field hybrid inflation2015

    • Author(s)
      Tatsuo Kobayashi, Osamu Seto
    • Journal Title

      Modern Physics Letters A

      Volume: 31 Issue: 21 Pages: 1550106-1550106

    • DOI

      10.1142/s0217732315501060

    • NAID

      120005773969

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PUBLICLY-26105514
  • [Journal Article] Large invisible decay of a Higgs boson to neutrinos2015

    • Author(s)
      Osamu Seto
    • Journal Title

      Physicsl Review D

      Volume: 92 Issue: 7 Pages: 073005-073005

    • DOI

      10.1103/physrevd.92.073005

    • Acknowledgement Compliant
    • Data Source
      KAKENHI-PUBLICLY-26105514
  • [Journal Article] Dilution of axion dark radiation by thermal inflation2015

    • Author(s)
      H. Hattori, T. Kobayashi, N. Omoto and O. Seto
    • Journal Title

      Phys. Rev.

      Volume: D92 Issue: 2 Pages: 1-6

    • DOI

      10.1103/physrevd.92.023517

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-25400252, KAKENHI-PUBLICLY-26105514
  • [Journal Article] Entropy production by domain wall decay in the NMSSM2015

    • Author(s)
      H. Hattori, T. Kobayashi, N. Omoto and O. Seto,
    • Journal Title

      Physical Review D

      Volume: 92 Issue: 10 Pages: 1-9

    • DOI

      10.1103/physrevd.92.103518

    • NAID

      120005690889

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-26247042, KAKENHI-PROJECT-25400252, KAKENHI-PUBLICLY-26105514
  • [Journal Article] Galactic Center gamma-ray excess from two Higgs doublet portal dark matter2014

    • Author(s)
      Nobuchika Okada, Osamu Seto
    • Journal Title

      Physical Review D

      Volume: 90 Issue: 8 Pages: 083523-083523

    • DOI

      10.1103/physrevd.90.083523

    • Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-26105514
  • [Journal Article] Axion monodromy inflation with multi-natural modulations2014

    • Author(s)
      Tetsutaro Higaki, Tatsuo Kobayashi, Osamu Seto, Yuya Yamaguchi
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 10 Issue: 10 Pages: 025-025

    • DOI

      10.1088/1475-7516/2014/10/025

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-14J02428, KAKENHI-PROJECT-24340049, KAKENHI-PROJECT-25400252, KAKENHI-PROJECT-25800169, KAKENHI-PUBLICLY-26105514
  • [Journal Article] Axion monodromy inflation with sinusoidal corrections2014

    • Author(s)
      Tatsuo Kobayashi, Osamu Seto, Yuya Yamaguchi
    • Journal Title

      Progress of Theoretical Experimental Physics

      Volume: 103E01 Issue: 10 Pages: 103E01-103E01

    • DOI

      10.1093/ptep/ptu145

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-14J02428, KAKENHI-PROJECT-24340049, KAKENHI-PROJECT-25400252, KAKENHI-PUBLICLY-26105514
  • [Journal Article] Phenomenology in supersymmetric neutrinophilic Higgs model with sneutrino dark matter2014

    • Author(s)
      Ki-Young Choi, Osamu Seto, Chang Sub Shin
    • Journal Title

      Journal of High Energy Physics

      Volume: 09(2014) Issue: 9 Pages: 068-068

    • DOI

      10.1007/jhep09(2014)068

    • Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-26105514
  • [Presentation] Sterile neutrinos in the Hubble and S8 tension2024

    • Author(s)
      瀬戸 治
    • Organizer
      Gravity and Cosmology 2024 2nd week
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] Sterile neutrinos in the Hubble and S8 tension2024

    • Author(s)
      瀬戸 治
    • Organizer
      Gravity and Cosmology 2024 2nd week
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23K03402
  • [Presentation] Lepton flavor violation and DM constraints in a radiative seesaw model2023

    • Author(s)
      瀬戸 治
    • Organizer
      6th International Workshop on Higgs as a Probe of New Physics 2023
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] Lepton flavor violation and DM constraints in a radiative seesaw model2023

    • Author(s)
      瀬戸 治
    • Organizer
      6th International Workshop on Higgs as a Probe of New Physics 2023
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23K03402
  • [Presentation] 物理定数の定数性と宇宙論2023

    • Author(s)
      瀬戸 治
    • Organizer
      Aso workshop on Particle Physics and Cosmology 2023
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] The type-II seesaw mechanism in alternative gauged U(1)X and dark sector2023

    • Author(s)
      岡田宣親、瀬戸 治
    • Organizer
      17th International Workshop on the Dark Side of the Universe
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] Constraints on the variation of the electron mass by cosmic microwave background and big bang nucleosynthesis2023

    • Author(s)
      瀬戸 治、戸田 陽
    • Organizer
      19th International Conference of Computational Methods in Sciences and Engineering
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] Weak-scale leptogenesis in a radiative seesaw model2023

    • Author(s)
      瀬戸 治、進藤哲央、露木 孝尚
    • Organizer
      International Symposium on Cosmology and Particle Astrophysics 2023
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] Lepton flavor violation and DM constraints in a radiative seesaw model2023

    • Author(s)
      瀬戸 治
    • Organizer
      Kagoshima Workshop on Particles, Fields and Strings 2023
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] The type-II seesaw mechanism in alternative gauged U(1)X and dark sector2023

    • Author(s)
      岡田宣親、瀬戸 治
    • Organizer
      17th International Workshop on the Dark Side of the Universe
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23K03402
  • [Presentation] 物理定数の定数性と宇宙論2023

    • Author(s)
      瀬戸 治
    • Organizer
      Aso workshop on Particle Physics and Cosmology 2023
    • Invited
    • Data Source
      KAKENHI-PROJECT-23K03402
  • [Presentation] The type-II seesaw mechanism in alternative gauged U(1)X and dark sector2023

    • Author(s)
      瀬戸 治
    • Organizer
      2023 Winter-II NRF-JSPS Workshop in particle physics, cosmology, and gravitation
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] Weak-scale leptogenesis in a radiative seesaw model2023

    • Author(s)
      瀬戸 治、進藤哲央、露木 孝尚
    • Organizer
      International Symposium on Cosmology and Particle Astrophysics 2023
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23K03402
  • [Presentation] The type-II seesaw mechanism in alternative gauged U(1)X and dark sector2023

    • Author(s)
      瀬戸 治
    • Organizer
      2023 Winter-II NRF-JSPS Workshop in particle physics, cosmology, and gravitation
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-21H00060
  • [Presentation] Lepton flavor violation and DM constraints in a radiative seesaw model2023

    • Author(s)
      瀬戸 治
    • Organizer
      Kagoshima Workshop on Particles, Fields and Strings 2023
    • Invited
    • Data Source
      KAKENHI-PUBLICLY-21H00060
  • [Presentation] The type-II seesaw mechanism in alternative gauged U(1)X and dark sector2022

    • Author(s)
      岡田宣親、瀬戸 治
    • Organizer
      18th International Conference of Computational Methods in Sciences and Engineering
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] The type-II seesaw mechanism in alternative gauged U(1)X and cosmology2022

    • Author(s)
      岡田宣親、瀬戸 治
    • Organizer
      International Conference on Neutrinos and Dark Matter
    • Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-21H00060
  • [Presentation] The type-II seesaw mechanism in alternative gauged U(1)X and dark sector2022

    • Author(s)
      岡田宣親、瀬戸 治
    • Organizer
      18th International Conference of Computational Methods in Sciences and Engineering
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-21H00060
  • [Presentation] Gauged B-L interacting sterile neutrino dark matter revisited2022

    • Author(s)
      永島伸多郎、瀬戸 治、下村 崇
    • Organizer
      COSMO 22
    • Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-21H00060
  • [Presentation] Dark radiation constraints on hidden gauge-axion system2022

    • Author(s)
      尾形優仁、柿崎充、瀬戸 治
    • Organizer
      16th International Workshop on the Dark Side of the Universe/2nd Gordon Godfrey Workshop on Astroparticle Physics
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] The type-II seesaw mechanism in alternative gauged U(1)X and cosmology2022

    • Author(s)
      岡田宣親、瀬戸 治
    • Organizer
      International Conference on Neutrinos and Dark Matter
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] The type-II seesaw mechanism in alternative gauged U(1)X and cosmology2022

    • Author(s)
      岡田宣親、瀬戸 治
    • Organizer
      日本物理学会2022年秋季大会
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] Gauged B-L interacting sterile neutrino dark matter revisited2022

    • Author(s)
      永島伸多郎、瀬戸 治、下村 崇
    • Organizer
      7th IBS-ICTP-MultiDark Workshop
    • Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-21H00060
  • [Presentation] Gauged B-L interacting sterile neutrino dark matter revisited2022

    • Author(s)
      永島伸多郎、瀬戸 治、下村 崇
    • Organizer
      7th IBS-ICTP-MultiDark Workshop
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] Dark radiation constraints on hidden gauge-axion system2022

    • Author(s)
      尾形優仁、柿崎充、瀬戸 治
    • Organizer
      16th International Workshop on the Dark Side of the Universe/2nd Gordon Godfrey Workshop on Astroparticle Physics
    • Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-21H00060
  • [Presentation] The type-II seesaw mechanism in alternative gauged U(1)X and cosmology2022

    • Author(s)
      岡田宣親、瀬戸 治
    • Organizer
      日本物理学会2022年秋季大会
    • Data Source
      KAKENHI-PUBLICLY-21H00060
  • [Presentation] CMB and BBN constraints on the variation of the electron mass2022

    • Author(s)
      瀬戸 治、戸田 陽
    • Organizer
      2022 Summer NRF-JSPS Workshop in particle physics, cosmology, and gravitation
    • Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-21H00060
  • [Presentation] Gauged B-L interacting sterile neutrino dark matter revisited2022

    • Author(s)
      永島伸多郎、瀬戸 治、下村 崇
    • Organizer
      COSMO 22
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] Dark radiation constraints on hidden gauge-axion system2022

    • Author(s)
      Osamu Seto
    • Organizer
      2022 winter NRF-JSPS Workshop in particle physics, cosmology, and gravitation
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] CMB and BBN constraints on the variation of the electron mass2022

    • Author(s)
      瀬戸 治、戸田 陽
    • Organizer
      2022 Summer NRF-JSPS Workshop in particle physics, cosmology, and gravitation
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] Underground detections of an extra gauge interacting sterile neutrino dark matter2021

    • Author(s)
      Seto Osamu
    • Organizer
      17th International Conference on Topics in Astroparticle and Underground Physics
    • Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-21H00060
  • [Presentation] Gravitational waves from a phase transition of an extra U(1) in SO(10) GUT2021

    • Author(s)
      瀬戸 治
    • Organizer
      日本物理学会第76回年次大会
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] Gravitational waves from neutrino mass generating phase transitions2021

    • Author(s)
      Osamu Seto
    • Organizer
      Sixteenth Marcel Grossmann Meeting - MG16
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] BBN constraints on extra component solutions to the Hubble tension2021

    • Author(s)
      Seto Osamu
    • Organizer
      17th International Conference of Computational Methods in Sciences and Engineering
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-21H00060
  • [Presentation] Gravitational waves from a phase transition of an extra U(1) in SO(10) GUT2021

    • Author(s)
      瀬戸 治
    • Organizer
      日本物理学会第76回年次大会
    • Data Source
      KAKENHI-PUBLICLY-19H05091
  • [Presentation] Probing for ALPino dark matter at beam dump experiments2020

    • Author(s)
      瀬戸 治
    • Organizer
      6th Quantum Science (QS) symposium
    • Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-19H05091
  • [Presentation] Dirac gaugino mass from grand gauge-Higgs Unification and Wilson line2020

    • Author(s)
      佐藤優成(発表者)、中野博章、瀬戸治、山下敏史
    • Organizer
      日本物理学会秋季大会(筑波大学(オンライン開催) 2020.9-14-17)
    • Data Source
      KAKENHI-PROJECT-19K03865
  • [Presentation] Gravitational waves from a phase transition of an extra U(1) in SO(10) GUT2020

    • Author(s)
      瀬戸 治
    • Organizer
      :「ニュートリノで拓く素粒子と宇宙」研究会2020
    • Data Source
      KAKENHI-PUBLICLY-19H05091
  • [Presentation] Indirect detection for gauged sterile neutrino dark matter2020

    • Author(s)
      瀬戸 治
    • Organizer
      KASHIWA DARK MATTER SYMPOSIUM 2020
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] Gravitational waves from a phase transition of an extra U(1) in SO(10) GUT2020

    • Author(s)
      瀬戸 治
    • Organizer
      「ニュートリノで拓く素粒子と宇宙」研究会2020
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] Probing for ALPino dark matter at beam dump experiments2020

    • Author(s)
      瀬戸 治
    • Organizer
      :16th International Conference of Computational Methods in Sciences and Engineering
    • Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-19H05091
  • [Presentation] Indirect detection for gauged sterile neutrino dark matter2020

    • Author(s)
      瀬戸 治
    • Organizer
      KASHIWA DARK MATTER SYMPOSIUM 2020
    • Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-19H05091
  • [Presentation] Probing for ALPino dark matter at beam dump experiments2020

    • Author(s)
      瀬戸 治
    • Organizer
      16th International Conference of Computational Methods in Sciences and Engineering
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] Dirac gaugino mass from grand gauge-Higgs Unification2020

    • Author(s)
      佐藤優成(発表者)、中野博章、瀬戸治、山下敏史
    • Organizer
      素粒子若手オンライン研究会(オンライン 2020.8.26-28)
    • Data Source
      KAKENHI-PROJECT-19K03865
  • [Presentation] Dirac gaugino mass from grand Gauge Higgs Unification2019

    • Author(s)
      佐藤優成(発表者)、中野博章、瀬戸治、山下敏史
    • Organizer
      素粒子現象論研究会2019(大阪市立大学 2019.11.23-25)
    • Data Source
      KAKENHI-PROJECT-19K03865
  • [Presentation] Gravitational waves from minimal and nonminimal gauged U(1) phase transition2019

    • Author(s)
      瀬戸 治
    • Organizer
      日本物理学会2019年秋季大会
    • Data Source
      KAKENHI-PUBLICLY-19H05091
  • [Presentation] Dirac ゲージーノ模型における質量項の起源2019

    • Author(s)
      佐藤優成(発表者)、中野博章、瀬戸治、山下敏史
    • Organizer
      北陸信越地区素粒子論グループ合宿研究会(金沢大学 2019.5.29-6.2)
    • Data Source
      KAKENHI-PROJECT-19K03865
  • [Presentation] Dirac gaugino mass from grand Gauge Higgs Unification2019

    • Author(s)
      佐藤優成(発表者)、中野博章、瀬戸治、山下敏史
    • Organizer
      日本物理学会年次大会(名古屋大学 2020.3.16-19)
    • Data Source
      KAKENHI-PROJECT-19K03865
  • [Presentation] Dirac gaugino mass from orbifold GUT (poster)2019

    • Author(s)
      佐藤優成(発表者)、中野博章、瀬戸治、山下敏史
    • Organizer
      Summer Institute 2019(大韓民国 2019.8.19-24)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03865
  • [Presentation] Gravitational waves from minimal and nonminimal gauged U(1) phase transition2019

    • Author(s)
      Osamu Seto
    • Organizer
      PACIFIC 2019
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] Dirac ゲージーノ模型における質量項の起源について2019

    • Author(s)
      佐藤優成(発表者)、中野博章、瀬戸治、山下敏史
    • Organizer
      日本物理学会秋季大会(山形大学 2019.9.17-20)
    • Data Source
      KAKENHI-PROJECT-19K03865
  • [Presentation] Dirac ゲージーノ模型における質量項の起源(ポスター)2019

    • Author(s)
      佐藤優成(発表者)、中野博章、瀬戸治、山下敏史
    • Organizer
      素粒子物理学の進展2019(基礎物理学研究所 2019.7.29-8.2)
    • Data Source
      KAKENHI-PROJECT-19K03865
  • [Presentation] Gravitational waves from minimal and nonminimal gauged B-L phase transition2019

    • Author(s)
      瀬戸 治
    • Organizer
      基研研究会 素粒子物理学の進展2019
    • Data Source
      KAKENHI-PUBLICLY-19H05091
  • [Presentation] Gravitational waves from minimal and nonminimal gauged U(1) phase transition2019

    • Author(s)
      Osamu Seto
    • Organizer
      A topical conference on elementary particles, astrophysics, and cosmology (Miami 2019)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03860
  • [Presentation] Gravitational waves from minimal and nonminimal gauged B-L phase transition2019

    • Author(s)
      瀬戸 治
    • Organizer
      Exploration of Particle Physics and Cosmology with Neutrinos Workshop 2019
    • Data Source
      KAKENHI-PUBLICLY-19H05091
  • [Presentation] Scalar dark matter interacting through an extra U(1) gauge interaction2019

    • Author(s)
      Osamu Seto
    • Organizer
      4th IBS-MultiDark-IPPP joint Workshop on Dark Matter
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-19H05091
  • [Presentation] Dirac gaugino from grand Gauge Higgs Unification2019

    • Author(s)
      佐藤優成(発表者)、中野博章、瀬戸治、山下敏史
    • Organizer
      日本物理学会新潟支部例会(新潟大学 2019.12.21)
    • Data Source
      KAKENHI-PROJECT-19K03865
  • [Presentation] Scalar dark matter interacting through an extra U(1) gauge interaction2019

    • Author(s)
      Osamu Seto
    • Organizer
      Dark matter searches in the 2020s - At the crossroads of the WIMP
    • Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-19H05091
  • [Presentation] Singlet doublet mixed complex scalar dark matter2016

    • Author(s)
      Osamu Seto
    • Organizer
      12th UCLA dark matter symposium
    • Place of Presentation
      UCLA、アメリカ
    • Year and Date
      2016-02-17
    • Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-26105514
  • [Presentation] Axion monodromy inflation with modulation corrections2015

    • Author(s)
      Osamu Seto
    • Organizer
      2015 Xth Iberian Cosmology Meeting
    • Place of Presentation
      アランフェス、スペイン
    • Year and Date
      2015-03-30
    • Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-26105514
  • [Presentation] New invisible decay modes of the SM-like Higgs boson2015

    • Author(s)
      Osamu Seto
    • Organizer
      Particle Cosmology and beyond 2015
    • Place of Presentation
      金沢、石川
    • Year and Date
      2015-11-16
    • Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-26105514
  • [Presentation] ILC prospect for testing Higgs portal WIMP motivated by Galactic Center excess2015

    • Author(s)
      Osamu Seto
    • Organizer
      Asian Linear Collider Workshop (ALCW2015)
    • Place of Presentation
      つくば、茨城
    • Year and Date
      2015-04-20
    • Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-26105514
  • [Presentation] Invisible decay of a Higgs boson and dark matter2015

    • Author(s)
      Osamu Seto
    • Organizer
      CosKASI Dark Matter Workshop 2015
    • Place of Presentation
      大田、韓国
    • Year and Date
      2015-06-09
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-26105514
  • [Presentation] Dulition of axion dark radiation2015

    • Author(s)
      Osamu Seto
    • Organizer
      The 2015 Europhysics Conference on High Energy Physics-HEP 2015
    • Place of Presentation
      ウィーン、オーストリア
    • Year and Date
      2015-07-22
    • Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-26105514
  • [Presentation] New invisible decay modes of the SM-like Higgs boson2015

    • Author(s)
      Osamu Seto
    • Organizer
      26th Busan Workshop on particle physics, string theory and cosmology
    • Place of Presentation
      釜山、韓国
    • Year and Date
      2015-12-02
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-26105514
  • [Presentation] Galactic Center excess by Higgs portal dark matter2015

    • Author(s)
      Osamu Seto
    • Organizer
      XIV International Conference on Topics in Astroparticle and Underground Physics
    • Place of Presentation
      トリノ、イタリア
    • Year and Date
      2015-09-07
    • Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-26105514
  • [Presentation] Galactic Center excess by two Higgs doublet portal scalar dark matter2015

    • Author(s)
      Osamu Seto
    • Organizer
      TeV Particle Astrophysics 2015
    • Place of Presentation
      柏、千葉
    • Year and Date
      2015-10-26
    • Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-26105514
  • [Presentation] Galactic Center excess by Higgs portal dark matter2015

    • Author(s)
      Osamu Seto
    • Organizer
      12th Conference in the Symposium on Cosmology and Particle Astrophysics
    • Place of Presentation
      大田、韓国
    • Year and Date
      2015-10-12
    • Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-26105514
  • [Presentation] 宇宙論屋から見たILC2015

    • Author(s)
      Osamu Seto
    • Organizer
      ILC 夏の合宿 2015
    • Place of Presentation
      伊香保温泉、群馬
    • Year and Date
      2015-07-18
    • Invited
    • Data Source
      KAKENHI-PUBLICLY-26105514
  • [Presentation] Neutrino mass from neutrinophilic Higgs, leptogenesis and dark matter2014

    • Author(s)
      Osamu Seto
    • Organizer
      第三回 次世代の加速器ニュートリノ実験ワークショップ
    • Place of Presentation
      京都大学
    • Year and Date
      2014-06-21
    • Invited
    • Data Source
      KAKENHI-PUBLICLY-26105514
  • [Presentation] Axion monodromy inflation with corrections2014

    • Author(s)
      Osamu Seto
    • Organizer
      Summer Institute 2014
    • Place of Presentation
      富士カーム
    • Year and Date
      2014-08-21
    • Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-26105514
  • [Presentation] Aspects of RH sneutrino dark matter with neutrinophilic Higgs field2014

    • Author(s)
      Osamu Seto
    • Organizer
      IBS - MultiDark Joint Focus Program: WIMPs and Axions
    • Place of Presentation
      大田、韓国
    • Year and Date
      2014-10-10
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-26105514
  • 1.  NAKANO HIROAKI (60262424)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 10 results
  • 2.  山下 敏史 (90622671)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 10 results
  • 3.  谷本 盛光 (90108366)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 4.  小林 達夫
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 2 results
  • 5.  下村 崇
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results

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