Presentations -
about 63-
Indirect Search of DM
Nagisa Hiroshima [Invited]
The 4th DMNet symposium : Revealing Dark matter in the Universe with Multidisciplinary Approaches in Particle Physics and Astrophysics 2024.9
Event date： 2024.9
Language：English Presentation type：Oral presentation (general)
Venue：Institute for Basic Science, Korea
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cosmic-ray window to cosmological mysteries
廣島渚
「宇宙線学」の共創:宇宙線でつなぐ天体と生命の共進化の多角的研究 2024.5
Event date： 2024.5
Language：Japanese Presentation type：Oral presentation (keynote)
Venue：大阪公立大学 Country：Japan
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暗黒物質ハロー階層構造から得られる 原始揺らぎパワースペクトルへの制限
安藤真一郎,廣島渚,石渡弘治
日本物理学会 2024年春季大会 2024.3
Event date： 2024.3
Language：Japanese Presentation type：Oral presentation (general)
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全スケール暗黒物質ハローの準解析的モデリング
廣島渚,安藤真一郎,石山智明
日本天文学会2024年春季年会 2024.3
Event date： 2024.3
Language：Japanese Presentation type：Oral presentation (general)
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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" 2024.3
Event date： 2024.3
Language：English Presentation type：Oral presentation (general)
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Environments for DM study
Nagisa Hiroshima
Extreme Mass Dark Matter Workshop: from Superlight to Superheavy 2024.3
Event date： 2024.3
Language：English Presentation type：Oral presentation (general)
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暗黒物質探査:宇宙物理学的側面から
廣島渚 [Invited]
第３６回 理論懇シンポジウム 2023.12
Event date： 2023.12
Language：Japanese Presentation type：Oral presentation (invited, special)
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Dark Matter searches with CTA
Nagisa Hiroshima [Invited]
Kashiwa Dark Matter Symposium 2023 2023.12
Event date： 2023.12
Language：English Presentation type：Oral presentation (invited, special)
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Dark Matter in the Universe
Nagisa Hiroshima [Invited]
2023.12
Event date： 2023.12
Language：Japanese Presentation type：Oral presentation (invited, special)
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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
廣島渚,柿崎充,⚪︎大澤周平
日本物理学会 2023年春季大会第78回年次大会
Event date： 2023.9
Language：Japanese Presentation type：Oral presentation (general)
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Halo mass function from the smalles to the largest scales
Nagisa Hiroshima
COSMO2023 2023.9
Event date： 2023.9
Language：English Presentation type：Oral presentation (general)
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Dark Matter Search with Cherenkov Telescope Array: towards a robust understanding
Nagisa Hiroshima [Invited]
KICP workshop: Next-generation gamma-ray searches for dark matter 2023.5
Event date： 2023.5 - 2023.6
Language：English Presentation type：Oral presentation (invited, special)
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Dark Matter Search with Cherenkov Telescope Array
Nagisa Hiroshima
2023.5
Event date： 2023.5
Language：English Presentation type：Oral presentation (general)
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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
廣島渚,柿崎充,⚪︎大澤周平
日本物理学会 2023年春季大会 2023.3
Event date： 2023.3
Language：Japanese Presentation type：Oral presentation (general)
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Semi-analytic approaches for evolutions of dark matter halos
廣島渚 [Invited]
素粒子現象論研究会2022 2023.3
Event date： 2023.3
Language：Japanese Presentation type：Oral presentation (invited, special)
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Cosmological Aspects of Massive Dark Matter Particles
Nagisa Hiroshima
FY2022 "What is dark matter? - Comprehensive study of the huge discovery space in dark matter" 2023.3
Event date： 2023.3
Language：English Presentation type：Oral presentation (general)
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多スケール暗黒物質ハローの階層構造についての準解析的アプローチ
広島渚
第３５回 理論懇シンポジウム
Event date： 2022.12
Language：Japanese Presentation type：Poster presentation
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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
広島渚 [Invited]
第11回観測的宇宙論ワークショップ 2022.12
Event date： 2022.12
Language：Japanese Presentation type：Oral presentation (invited, special)
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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
廣島 渚,安藤 真一郎,石山 智明
日本物理学会2022年秋季大会 2022.9
Event date： 2022.9
Language：Japanese Presentation type：Oral presentation (general)
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Semi-analytical framework for DM structure and its application to coamology
2022.9
Event date： 2022.9
Language：English Presentation type：Oral presentation (general)
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Dark Matter searches with the Cherenkov Telescope Array: Weakly Interacting Massive Particles and beyond
[Invited]
2022.7
Event date： 2022.7
Language：English Presentation type：Oral presentation (invited, special)
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EPS approach for multiscale DM halo
2nd workshop: Multimessenger Study of Heavy Dark Matter 2022.7
Event date： 2022.7
Language：English Presentation type：Oral presentation (general)
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Implications from DM substructures: from low z to high z
2022.3
Event date： 2022.3
Language：Japanese Presentation type：Oral presentation (general)
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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
廣島渚,郡和範,関口豊和,高橋龍一
日本物理学会 第77回年次大会(2022年) 2022.3
Event date： 2022.3
Language：Japanese Presentation type：Oral presentation (general)
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WIMP annihilation signals in dwarf spheroidal galaxies as subhalos of the Milky Way
Nagisa Hiroshima
Kashiwa Dark Matter Symposium 2021 2021.11
Event date： 2021.11 - 2021.12
Language：English Presentation type：Oral presentation (general)
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Impacts of new small-scale N-body simulations on dark matter annihilations constrained from cosmological 21cm line observations
Nagisa Hiroshima
素粒子現象論研究会2021 2021.11
Event date： 2021.11
Language：Japanese Presentation type：Oral presentation (general)
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VHDM search & DM halo
Nagisa Hiroshima
1st workshop: Multimessenger Study of Heavy Dark Matter 2021.8
Event date： 2021.8
Language：English Presentation type：Oral presentation (keynote)
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Implications from the structure formation models of DM halo to gamma-ray search of DM
Nagisa Hiroshima
2021.6
Event date： 2021.6
Language：Japanese Presentation type：Oral presentation (general)
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Structure Formation Models Weaken Limits on WIMP Dark Matter from Dwarf Spheroidal Galaxies
Shin'ichiro Ando,Alex Geriner-Sameth,Nagisa Hiroshima,Sebastian Hoof,Roberto Trotta,Matthew G. Walker
JPS 76th(2021) Annual meeting 2021.3
Event date： 2021.3
Language：Japanese Presentation type：Oral presentation (general)
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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
広島渚,柿崎充,⚪︎杉田涼輔
日本物理学会 第76回年次大会 2021.3
Event date： 2021.3
Language：Japanese Presentation type：Oral presentation (general)
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Dark matter search in extended dwarf spheroidal galaxies with very-high-energy gamma-ray observations
Nagisa Hiroshima [Invited]
the 29th Regular Meeting of the New Higgs Working Group 2021.1
Event date： 2021.1
Language：Japanese Presentation type：Oral presentation (invited, special)
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Dark matter search in dwarf spheroidal galaxies combined with structure formation models of halo
Nagisa Hiroshima
2020.12
Event date： 2020.12
Language：Japanese Presentation type：Poster presentation
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Dark matter search in extended dwarf spheroidal galaxies with CTA
Nagisa Hiroshima
CRPHYS2020 2020.12
Event date： 2020.12
Language：English Presentation type：Oral presentation (general)
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Dark matter search in dwarf spheroidal galaxies combined with structure formation models of halo
Nagisa Hiroshima
2020.11
Event date： 2020.11
Language：Japanese Presentation type：Oral presentation (general)
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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" 2020.10
Event date： 2020.10
Language：English Presentation type：Oral presentation (general)
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Survey of the paper related to the XENON1T report
Nagisa Hiroshima [Invited]
darKONline2020 2020.9
Event date： 2020.9
Language：Japanese Presentation type：Oral presentation (invited, special)
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Gamma-ray search of dark matter
Nagisa Hiroshima [Invited]
Progress in Particle Physics 2020 2020.8
Event date： 2020.8 - 2020.9
Language：Japanese Presentation type：Oral presentation (invited, special)
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Modeling evolution of dark matter substructure and annihilation boost
Nagisa Hiroshima
The 2nd Toyama International Symposium on "Physics at the Cosmic Frontier" (PCF2020) 2020.3
Event date： 2020.3
Language：English Presentation type：Oral presentation (general)
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Dependence of accessible dark matter annihilation cross sections on the density profiles of dSphs"
Nagisa Hiroshima,Masaaki Hayashida,Kazunori Kohri
TeV Particle Astrophysics (TeVPA) 2019 2019.12
Event date： 2019.12
Language：English Presentation type：Oral presentation (general)
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Dark matter search in extended dwarf spheroidal galaxies with CTA
Nagisa Hiroshima
2019.11
Event date： 2019.11
Language：Japanese Presentation type：Oral presentation (general)
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Varieties of DM density profile in Galactic dwarf spheroidal galaxies and the gamma-ray search of the annihilation signature
Nagisa Hiroshima [Invited]
Dark Matter searches in 2020s -At the crossroads of the WIMP 2019.11
Event date： 2019.11
Language：English Presentation type：Oral presentation (invited, special)
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Modeling evolution of dark matter substructure and annihilation boost
Nagisa Hiroshima
TAUP 2019 2019.9
Event date： 2019.9
Language：English Presentation type：Oral presentation (general)
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Modeling dark matter substructure and annihilation boost
Nagisa Hiroshima [Invited]
Workshop to bring together experts on High Energy Astrophysics from Japan and Israel 2019.7
Event date： 2019.7
Language：English Presentation type：Oral presentation (invited, special)
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Modeling evolution of dark matter substructure and annihilation boost
Nagisa Hiroshima
Fermi Summer School 2019 2019.5
Event date： 2019.5
Language：English Presentation type：Oral presentation (general)
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Gamma-ray search of dark matter in spatially-extended dwarf spheroidal galaxies with CTA
Nagisa Hiroshima,Masaaki Hayashida,Kazunori Kohri
74rd Meeting of Japan Physical Society 2019.3
Event date： 2019.3
Language：Japanese Presentation type：Oral presentation (general)
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Modeling evolution of dark matter substructure and annihilation boost
Nagisa Hiroshima
Shingakujutsu workshop, "Why does the Universe accelerate?-Exhaustive study and challenge for the future 2019.3
Event date： 2019.3
Language：English Presentation type：Oral presentation (general)
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Dark matter search in extended dwarf spheroidal galaxies with high-energy gamma-ray observations
Nagisa Hiroshima
2018.12
Event date： 2018.12
Language：Japanese Presentation type：Oral presentation (general)
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Modeling evolution of dark matter substructure and annihilation boost
Nagisa Hiroshima
KEK-PH and 3rd KIAS-NCTS-KEK workshop on Particle Physics Phenomenology 2018.12
Event date： 2018.12
Language：English Presentation type：Oral presentation (general)
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Modeling evolution of dark matter substructure and annihilation boost
Nagisa Hiroshima,Shin'ichiro Ando,Tomoaki Ishiyama
Fall Meeting of Japan Physical Society 2018.9
Event date： 2018.9 - 2019.9
Language：Japanese Presentation type：Oral presentation (general)
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Search for High-energy Gamma-rays from Dark Matters in Extended Sources
Nagisa Hiroshima,Masaaki Hayashida,Kazunori Kohri
High Energy Astrophysics 2018 2018.9
Event date： 2018.9
Language：Japanese Presentation type：Poster presentation
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Modeling evolution of dark matter substructure and annihilation boost
Nagisa Hiroshima
The 22nd annual international Conference on Particle Physics and Cosmology (COSMO-18) 2018.8
Event date： 2018.8
Language：English Presentation type：Oral presentation (general)
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Feasibility study on indirect dark matter detection in dwarf spheroidal galaxies
Nagisa Hiroshima,Masaaki Hayashida,Kazunori Kohri
73rd Meeting of Japan Physical Society 2018.3
Event date： 2018.3
Language：Japanese Presentation type：Oral presentation (general)
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High-enegy Neutrinos from Multi-body Decaying Dark Matter
Nagisa Hiroshima
KEK Theory Meeting on Particle Physics Phenomenology (KEK-PH 2018 2018.2
Event date： 2018.2
Language：English Presentation type：Oral presentation (general)
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Dark matter search in dwarf spheroidal galaxies
Nagisa Hiroshima
The extreme Universe viewed in very-high-energy gamma-rays 2017 2017.12
Event date： 2017.12
Language：English Presentation type：Oral presentation (general)
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High-energy Neutrinos from Multi-body Decaying Dark Matter
Nagisa Hiroshima
4th KEK Student Day 2017.10
Event date： 2017.10
Language：English Presentation type：Poster presentation
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High-energy Neutrinos from Multi-body Decaying Dark Matter
Nagisa Hiroshima
High Energy Astrophysics 2017 (HEAP2017) 2017.9
Event date： 2017.9
Language：Japanese Presentation type：Oral presentation (general)
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Decaying Dark Matter and the IceCube TeV-PeV Neutrinos
Nagisa Hiroshima
The Dark and Visible Side of the Universe (ISAPP 2017) 2017.6
Event date： 2017.6
Language：English Presentation type：Poster presentation
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Interpretation of the IceCube TeV-PeV Neutrinos with the Multi-body Decaying Dark Matter
Nagisa Hiroshima
NEUCOS workshops 2017.6
Event date： 2017.6
Language：English Presentation type：Oral presentation (general)
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Decaying Dark Matter and the IceCube TeV-PeV Neutrinos
Nagisa Hiroshima,Ryuichiro Kitano,Kazunori Kohri,Kohta Murase
72nd Meeting of Japan Physical Society, 2017.3
Event date： 2017.3
Language：Japanese Presentation type：Oral presentation (general)
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Decaying Dark Matter and the IceCube TeV-PeV Neutrinos
Nagisa Hiroshima
29th Rironkon Symposium 2016.12
Event date： 2016.12
Language：Japanese Presentation type：Poster presentation
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Towards the Indirect Detections of the Dark Matter
Nagisa Hiroshima
The 3rd KEK Student Day 2016.10
Event date： 2016.10
Language：English Presentation type：Oral presentation (general)
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Time Variability Analysis of the Crab Nebula based on Giant Radio Pulse Observations
Nagisa Hiroshima
Brainstorming workshop about the theory and observations of neutron stars 2015.12
Event date： 2015.12
Language：English Presentation type：Poster presentation
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Time Variability of Dispersion Measures of the Crab pulsar and decay time of GRP light curve at 325 MHz
Nagisa Hiroshima,Toshio Terasawa,Ryo Mikami,Katsuaki Asano,Shuta Tanaka,Syota Kisaka,Hiroaki Misawa,Fuminori Tsuchiya,Hajime Kita,Mamoru Sekido,Kazuhiro Takefuji,Hiroshi Takeuchi
2015 Autumn Annual Meeting of Japan Astronomical Society 2015.9
Event date： 2015.9
Language：Japanese Presentation type：Poster presentation