Papers & Talks
- Dark matter spikes with strongly self-interacting particles
- B. Betancourt Kamenetskaia, M. Fujiwara, A. Ibarra, T. Toma
arXiv:2502.2506.12642 [hep-ph], UT-HET-144 - Resummed multi-line gamma-ray spectra for Cherenkov Telescopes from heavy spin-1 dark matter
- M. Fujiwara, M. Vollmann
arXiv:2502.2502.20734 [hep-ph], UT-HET-143 - Constraints on Trilinear Higgs Couplings Including One-loop Correction in Nearly Aligned Higgs Models
- S. Ohzawa, pral presentation @KEK-PH 2025
- Soft Collinear Effective Theory for heavy dark matter annihilation
- M. Fujiwara, plenary talk @KEK-PH 2025
- Boosted dark matter from semi-annihilations in the Galactic Center
- B. Betancourt Kamenetskaia, M. Fujiwara, A. Ibarra, T. Toma
arXiv:2501.12117 [hep-ph], UT-HET-142 - Neutrino Diffusion within Dark Matter Spikes
- M. Fujiwara, G. Herrera, S. Horiuchi
arXiv:2412.00805 [hep-ph], UT-HET-141 - Supermassive black holes from inflation constrained by dark matter substructure
- S. Balaji, S. Ando, M. Fairbairn, N. Hiroshima, K. Ishiwata
arXiv:2408.11098 [astro-ph.CO], UT-HET-140 - Search for heavy dark matter from dwarf spheroidal galaxies: leveraging cascades and subhalo models
- D. Song, N. Hiroshima, K. Murase
arXiv:2401.15606 [astro-ph.HE], UT-HET-139 - Constraining primordial curvature perturbations using dark matter substructure
- A. Ando, N. Hiroshima, K. Ishiwata
arXiv:2207.05747 [astro-ph.co], UT-HET-138 - Semi-analytical frameworks for subhalos from the smallest to the largest scale
- N. Hiroshima, S. Ando, T. Ishiyama
arXiv:2206.01358 [astro-ph.co], UT-HET-137 - Dark Radiation in Spectator Axion-Gauge Models
- M. Kakizaki, M. Ogata, O. Seto
arXiv:2110.12936 [hep-ph] - Higgs potential in gauge-Higgs unification with a flat extra dimension
- M. Kakizaki, S. Suzuki
arXiv:2107.13445 [hep-ph] - Impacts of new small-scale N-body simulations on dark matter annihilations constrained from cosmological 21cm line observations
- N. Hiroshima, K. Kohri, T. Sekiguchi, R. Takahashi
arXiv:2103.14810 [astro-ph] - Heavy Dark Matter, Neutrino Masses and Higgs Naturalness from a Strongly Interacting Hidden Sector
- M. Aoki, V. Brdar, J. Kubo
arXiv:2007.04367 [hep-ph] - MeV-scale reheating temperature and cosmological production of light sterile neutrinos
- T. Hasegawa, N. Hiroshima, K. Kohri, R.S.L. Hansen, T. Tram, S. Hannestad
arXiv:2003.13302 [hep-ph], UT-HET-132 - Structure Formation Models Weaken Limits on WIMP Dark Matter from Dwarf Spheroidal Galaxies
- S. Ando, A. Geringer-Sameth, N. Hiroshima, S. Hoof, R. Trotta, M.G. Walker
arXiv:2002.11956 [astro-ph], UT-HET-131 - Gravitational waves from chiral phase transition in a conformally extended standard model
- M. Aoki, J. Kubo
arXiv:1910.05025 [hep-ph] - New model for radiatively generated Dirac neutrino masses and lepton flavor violating decays of the Higgs boson
- K. Enomoto, S. Kanemura, K. Sakurai, H. Sugiyama
arXiv:1904.07039 [hep-ph], UT-HET-130 - Gravitational Waves from Phase Transitions in Models with Charged Singlets
- A. Ahriche, K. Hashino, S. Kanemura, and S. Nasri
arXiv:1809.09883 [hep-ph], UT-HET-129 - Selecting models of first-order phase transitions using the synergy between collider and gravitational-wave experiments
- K.Hashino, R. Jinno, M. Kakizaki, S. Kanemura, T. Takahashi
arXiv:1809.04994 [hep-ph], UT-HET-128 - Selecting models of first-order phase transitions using the synergy between collider and gravitational-wave experiments
- K.Hashino, R. Jinno, M. Kakizaki, S. Kanemura, T. Takahashi
arXiv:1809.04994 [hep-ph], UT-HET-127 - Single Higgs production in association with a photon at electron-positron colliders in extended Higgs models
- S. Kanemua, K. Mawatari, and K. Sakurai
arXiv:1808.10268 [hep-ph], UT-HET-126 - Probing CP violating Higgs sectors via the precision measurement of coupling constants
- M. Aoki, K. Hashino, D. Kaneko, S. Kanemura, and M. Kubota
arXiv:1808.08770 [hep-ph], UT-HET-125 - Scale and confinement phase transitions in scale invariant SU(N) scalar gauge theory
- J. Kubo, and M. Yamada
arXiv:1808.02413 [hep-ph], UT-HET-124
AY 2025
AY 2024
AY 2023
AY 2022
AY 2021
AY 2020
AY 2019
AY 2018
See previous site for publications before AY2017.
Talks & Posters
- Constraints on primordial perturbations derived from evolutions of dark matter halos (Nagisa Hiroshima)
- JPS 2024 Spring Meeting, online
- 全スケール暗黒物質ハローの準解析的モデリング (Nagisa Hiroshima)
- 2024 Spring Annual Meeting of the Astronomical Society of Japan, online
- Semi-analytic description of halo structures and its application (Nagisa Hiroshima)
- FY2023 "What is dark matter? - Comprehensive study of the huge discovery space in dark matter" , YITP, Kyoto
- Environments for DM study (Nagisa Hiroshima)
- Extreme Mass Dark Matter Workshop: from Superlight to Superheavy, YITP, Kyoto
- Finite-temperature field theory for studying extended Higgs (Yoshiyuki Iwazaki)
- The 37th Regular Meeting of the New Higgs Working Group, Osaka U.
- Investigation of the Higgs Trilinear Couplings at Future Collider Experiments (Shuhei Ohzawa)
- The 37th Regular Meeting of the New Higgs Working Group, Osaka U.
- invited 暗黒物質探査:宇宙物理学的側面から (Nagisa Hiroshima)
- 第３６回 理論懇シンポジウム, Hirosaki University
- invited Dark Matter in the Universe (Nagisa Hiroshima)
- IPNS workshop 素粒子物理の今と未来, KEK, Tsukuba
- invited Dark Matter searches with CTA (Nagisa Hiroshima)
- Kashiwa Dark Matter Symposium 2023, Kashiwa
- 将来加速器実験における3点ヒッグス結合を用いた模型の分類 (Shuhei Ozawa)
- JPS 2023 (78th) Annual Meeting, Tohoku U.
- Halo mass function from the smalles to the largest scales (Nagisa Hiroshima)
- COSMO 2023, IFT
- 将来加速器実験による拡張ヒッグス模型の識別に向けた3点ヒッグス結合計算 (Shuhei Ozawa)
- Progress in Particle Physics 2023 (PPP2023), YITP
- Trilinear Higgs Coupling for Selecting Extended Higgs Models at Future Accelerator Experiments (Shuhei Ozawa)
- 27th International Summer Institute on Phenomenology of Elementary Particle Physics and Cosmology, Sun-Link-Sea Forest and Nature Resort
- 相転移について (Yoshiyuki Iwazaki)
- AY2023 workshop of the Hokuriku Branch of the Particle phyics group, Kanazawa University
- 将来加速器におけるヒッグスポテンシャルの検証可能性 (Shuhei Ozawa)
- AY2023 workshop of the Hokuriku Branch of the Particle phyics group, Kanazawa University
- Dark Matter Search with Cherenkov Telescope Array: towards a robust understanding (Nagisa Hiroshima)
- Next-Generation Gamma-Ray Searches for Dark Matter, University of Chicago
- Dark Matter Search with Cherenkov Telescope Array (Nagisa Hiroshima)
- The 34th Rencontres de Blois on "Particle Physics and Cosmology", Blois
- 将来加速器実験を用いた電弱対称性の破れの機構の探索 (Shuhei Ozawa)
- JPS spring meeting 2023, online
- invited Semi-analytic approaches for evolutions of dark matter halos (Nagisa Hiroshima)
- 素粒子現象論研究会2022, Osaka Metropolitan University
- Cosmological Aspects of Massive Dark Matter Particles (Nagisa Hiroshima)
- FY2022 "What is dark matter? - Comprehensive study of the huge discovery space in dark matter", Kavli IPMU
- invited 暗黒物質サブハローの準解析的モデルによるアプローチ (Nagisa Hiroshima)
- 第11回観測的宇宙論ワークショップ, NAOJ
- Semi-analytical framework for DM structure and its application to coamology (Nagisa Hiroshima)
- Summer Institute 2022, hybrid
- 多スケール暗黒物質ハロー質量関数の準解析的構成手法 (Nagisa Hiroshima)
- JPS 2022 autumn meeting, Okayama University of Science
- Dark Matter searches with the Cherenkov Telescope Array: Weakly Interacting Massive Particles and beyond (Nagisa Hiroshima)
- COSPAR2022 44th scientific assembly,Athens
- EPS approach for multiscale DM halo (Nagisa Hiroshima)
- 2nd workshop: Multimessenger Study of Heavy Dark Matter, YITP
- Implications from DM substructures: from low z to high z (Nagisa Hiroshima)
- Upcoming CMB observations and Cosmology, YITP
- 21cm線観測による暗黒物質探査における非線形構造形成の効果 (Nagisa Hiroshima)
- JPS 2022 (77th) Annual Meeting, online
- アクシオンゲージ場模型における重力波と暗黒輻射の検出可能性 (Mitsuru Kakizaki)
- JPS 2022 (77th) Annual Meeting, online
- 余剰次元を用いたTwo-Higgs-Doublet Model の構築 (Shin Suzuki)
- Particle Phenomenology workshop 2021
- アクシオンゲージ場模型における暗黒輻射残存量の解析 (Masahito Ogata)
- Particle Phenomenology workshop 2021
- Impacts of new small-scale N-body simulations on dark matter annihilations constrained from cosmological 21cm line observations (Nagisa Hiroshima)
- Particle Phenomenology workshop 2021
- Higgs couplings in the 2HDM from extra dimensions (Shin Suzuki)
- Summer Camp on ILC: accelerator, physics and detectors 2021
- アクシオンゲージ場模型におけるアクシオン残存量の解析 (Masahito Ogata)
- AY2021 workshop of the Hokuriku Branch of the Particle phyics group
- 余剰次元を起源とする two-Higgs-doublet model (2HDM) のヒッグス結合 (Shin Suzuki)
- AY2021 workshop of the Hokuriku Branch of the Particle phyics group
- Implications from the structure formation models of DM halo to gamma-ray search of DM (Nagisa Hiroshima)
- AY2021 workshop of the Hokuriku Branch of the Particle phyics group
- U(1)X拡張模型における軽いスカラー暗黒物質の検出可能性 (Ryosuke Sugita)
- JPS 2021 (76th) Annual Meeting, online
- アクシオンゲージ場模型における残存粒子に対する宇宙論的制限 (Masahito Ogata)
- JPS 2021 (76th) Annual Meeting, online
- 平坦なゲージ・ヒッグス統一模型のヒッグスポテンシャルの構造の検証可能性 (Shin Suzuki)
- JPS 2021 (76th) Annual Meeting, online
- Structure Formation Models Weaken Limits on WIMP Dark Matter from Dwarf Spheroidal Galaxies (Nagisa Hiroshima)
- JPS 2021 (76th) Annual Meeting, online
- Dark matter search in extended dwarf spheroidal galaxies with very-high-energy gamma-ray observations (Nagisa Hiroshima)
- The 29th Regular Meeting of the New Higgs Working Group, online
- [poster] Dark matter search in dwarf spheroidal galaxies combined with structure formation models of halo (Nagisa Hiroshima)
- The 33rd rironkon symposium, online
- Dark matter search in extended dwarf spheroidal galaxies with CTA (Nagisa Hiroshima)
- CRPHYS2020, YITP+online
- 実現可能なアクシオンゲージ模型のパラメータ領域に対する制限 (Masahito Ogata)
- Hokuriku branch of JPS 2020 annual meeting, online
- U(1)X 拡張模型における軽いスカラー暗黒物質の検出可能性 (Ryosuke Sugita)
- Hokuriku branch of JPS 2020 annual meeting, online
- 平坦な余剰次元を持つゲージ・ヒッグス統一模型 におけるヒッグス3点結合の典型的性質 (Shin Suzuki)
- Hokuriku branch of JPS 2020 annual meeting, online
- invited Dark Matter Physics (Mitsuru Kakizaki)
- 26th Vietnam School of Physics: Particles and Dark Matter (VSOP26), Quy Nhon+online
- Typical Features of the Triple Higgs Boson Coupling in the Flat Gauge-Higgs Unification Models with a Bulk-Brane Mixing (Shin Suzuki)
- Particle Phenomenology workshop 2020, NITEP Osaka City University+online
- Dark matter search in dwarf spheroidal galaxies combined with structure formation models of halo (Nagisa Hiroshima)
- Particle phenomenology workshop 2020, NITEP Osaka City University+online
- invited Scale invariant extension of the SM (Jisuke Kubo)
- Particle phenomenology workshop 2020, NITEP Osaka City University+online
- Physics at ILC (Mitsuru Kakizaki)
- The 28th Regular Meeting of the New Higgs Working Group, online
- Dependence of accessible DM annihilation cross-sections on the density profiles of dSphs with CTA (Nagisa Hiroshima)
- KEK-PH - KEK-Cosmo Joint Lectures and Workshop on "Dark matter, onlin
- Features of the Triple Higgs boson Couplingin Gauge-Higgs Unification with Flat Space (Shin Suzuki)
- Summer camp on ILC accelerator, physics, and detector 2020（online）, online
- 実現可能なアクシオンゲージ模型のパラメータ領域に対する制限 (Masahito Ogata)
- JPS 2020 Autumn Meeting, online
- 平坦な余剰次元を持つゲージ・ヒッグス統一模型におけるヒッグス3点結合の分析 (Shin Suzuki)
- JPS 2020 Autumn Meeting, online
- invited XENON1T関連論文動向調査 (Nagisa HIroshima)
- darKONline2020, online
- invited ガンマ線での暗黒物質探査 (Nagisa Hiroshima)
- Progress in Particle Physics 2020, online
- 平坦な余剰次元を持つゲージ・ヒッグス統一模型での ヒッグス 3 点結合の特徴 (Shin Suzuki)
- online workshop for young particle physicist, online
