成果

論文等

1. Pia Bredt, Tatsuya Banno, Marius Höfer, Syuhei Iguro, Wolfgang Kilian, Yang Ma, Jürgen Reuter, and Hantian Zhang,
   Chasing the two-Higgs-doublet model via electroweak corrections at e⁺e⁻ colliders,
   Phys. Rev. Lett. 136, 081801 (2026).
   arXiv:2509.05421 [hep-ph].
   DOI: 10.1103/mnqp-l2h

2. M. Endo, S. Iguro, S. Mishima, and R. Watanabe,
   Constructing new heavy-quark sum rule for b → c meson and baryon decays,
   Phys. Rev. D 113, 014021 (2026).
   arXiv:2509.02006 [hep-ph].
   DOI: 10.1103/xs7x-jcrd

3. M. Endo, S. Iguro, S. Mishima, and R. Watanabe,
   b → c semileptonic sum rule: Current status and prospects,
   JHEP 01 (2026) 143.
   arXiv:2508.06322 [hep-ph].
   DOI: 10.1007/JHEP01(2026)143

4. G. Coloretti, A. Crivellin, and S. Iguro,
   Searching for Di-Higgs Signatures of Light Charged Scalars,
   JHEP 01 (2026) 016.
   arXiv:2507.00121 [hep-ph].
   DOI: 10.1007/JHEP01(2026)016

5. D. Hashimoto,
   Status and Prospect of the ATLAS TGC Electronics Upgrade for HL-LHC,
   PoS LHCP2025 (2025) 195.
   DOI: 10.22323/1.499.0195

6. S. Kondo on behalf of the ATLAS Muon Community,
   Upgrade of Trigger and Readout Electronics for ATLAS Thin Gap Chamber: System-Level Demonstration with a Full-Chain Slice in the Cavern,
   JINST 20 (2025) C12013.

7. D. Akiyama,
   ATLAS Inner Detector Operational Experience at the Large Hadron Collider at CERN,
   PoS (VERTEX2025) 004 (2025).

8. S. Izumiyama [ATLAS Muon Collaboration],
   Overview of ATLAS Muon Detectors: Status and Performance,
   PoS EPS-HEP2025 (2026) 528.
   DOI: 10.22323/1.485.0528

9. S. Izumiyama [ATLAS TDAQ Collaboration],
   Finalization of the Sector Logic ATCA Blade Design for the ATLAS Level-0 Muon Trigger at HL-LHC,
   JINST 21 (2026) C02029.
   DOI: 10.1088/1748-0221/21/02/C02029

10. ATLAS Collaboration,
    Transforming Jet Flavour Tagging at ATLAS,
    Nature Communications 17, 541.
    DOI: 10.1038/s41467-025-65059-6

11. ATLAS Collaboration,
    Study of Higgs Boson Pair Production in the bb̄γγ Final State with 308 fb⁻¹ of Data Collected at √s = 13 TeV and 13.6 TeV by the ATLAS Experiment,
    accepted for publication in Physics Letters B (2025).
    arXiv:2507.03495.

12. ATLAS Collaboration,
    Evidence for the Dimuon Decay of the Higgs Boson in pp Collisions with the ATLAS Detector,
    arXiv:2507.03595.

海外講演・発表（海外開催および国内開催の国際会議）

• A. Wada (on behalf of the ATLAS Collaboration), “Performance of the ATLAS Muon Spectrometer Detectors during Run 3 Data Taking”, ICNFP2025, 24 July 2025.

• Syuhei Iguro, “Accumulating Hints for Flavorful Higgs Bosons at the Electroweak Scale”, The 7th International Workshop on Higgs as a Probe of New Physics (HPNP 2025), Osaka, Japan, June 2025.

• Syuhei Iguro, “b→c Semileptonic Sum Rule”, Moriond QCD, La Thuile, Italy, March 2026.

• Syuhei Iguro, “b→c Semileptonic Sum Rule”, LHCb Seminar, CERN, Switzerland, September 2025.

• Syuhei Iguro, “Progress of High-pT Flavor Physics”, CKM 2025, September 2025.

• Takanobu Mato, Haru Sato, and So Noguchi, “Numerical Investigation of Electromagnetic and Thermal Behavior of Multi-Bundled D-Shape Coils”, EUCAS 2025, Porto, Portugal, September 2025.

• S. Kita, “Evaluation of the Charge Collection Properties on the Silicon Strip Detector of the LHC-ATLAS Experiment”, Hiroshima Symposium on Semiconductor Tracking Detectors, Taiwan, November 2025.

• S. Kita, “HH Searches and Higgs Self-Coupling Measurements by ATLAS”, Phenomenology 2025 Symposium, Pittsburgh, USA.

• Yoshifumi N., “Improved dE/dx Evaluation for Background Suppression in Searches for Low-β New Particles”, ATLAS Week, CERN, February 2026.

• Wonho Jang, “Novel Mass Correction Method for Higgs Boson Decaying into b-Quark Pair”, ATLAS Di-Higgs Workshop, CERN, June 2025.

• Wonho Jang, “Novel Calibration Method for Trigger-Level b-Tagging Efficiency to Work with Offline Pseudo Continuous BTagging”, ATLAS Week, Paestum, Italy, October 2025.

• Shota Kondo, “Upgrade of Trigger and Readout Electronics for ATLAS Thin Gap Chamber: System-Level Demonstration with a Full-Chain Slice in the Cavern”, IPRD25, Siena, Italy, 2025.

• Shota Kondo, “Search for Higgsino with Compressed Mass Spectra Using Low-pT Tracking”, ATLAS Collaboration Week, CERN, 2026.

• H. Furusato, S. Hosoya, S. Suzuki, and K. Mawatari, “Vh Production via Vector Boson Scattering at Lepton Colliders in the Feynman-Diagram Gauge”, HPNP 2025, Osaka, Japan, June 2025.

• H. Furusato, S. Hosoya, S. Suzuki, and K. Mawatari, “Higgs Production in Association with a Z Boson at TeV-Scale Lepton Colliders”, LCWS2025, Valencia, Spain, October 2025.

• H. Furusato, S. Hosoya, S. Suzuki, and K. Mawatari, “Higgs Production in Association with a Z Boson at TeV-Scale Lepton Colliders”, Université libre de Bruxelles, Belgium, October 2025.

• H. Furusato, S. Hosoya, S. Suzuki, and K. Mawatari, “Higgs Production in Association with a Z Boson at TeV-Scale Lepton Colliders”, UCLouvain, Belgium, October 2025.

• Erika Yamashita, “Sensitivity Study of Stau Search with Small Mass Splitting in the Leptonic–Hadronic Decay Mode at ATLAS”, ATLAS Week 2025, Paestum, Italy, October 2025. (Poster)

• Daisuke Hashimoto, “Status and Prospect of the ATLAS TGC Electronics Upgrade for HL-LHC”, LHCP 2025. (Poster)

• Daisuke Hashimoto, “Measurement of the SEU Rate and Demonstration of Automated Recovery for Kintex-7 FPGA on TGC Readout Boards in the ATLAS Experiment at HL-LHC”, TWEPP 2025, Crete, Greece. (Oral and Poster)

• Chihiro K., “Searches for Electroweak Production of Supersymmetric Particles with ATLAS”, SUSY 2025, Santa Cruz, USA.

• Daiya Akiyama [ATLAS Collaboration], “Searches for Supersymmetric Particles with the ATLAS Detector”, Physics in Collision 2025, Egypt.

• Daiya Akiyama [ATLAS Collaboration], “ATLAS Inner Detector Operational Experience at the Large Hadron Collider at CERN”, Vertex 2025, Knoxville, USA. (Invited)

• S. Izumiyama [ATLAS Muon Collaboration], “Overview of ATLAS Muon Detectors: Status and Performance”, EPS-HEP2025, Marseille, France. (Poster)

• S. Izumiyama [ATLAS TDAQ Collaboration], “Finalization of the Sector Logic ATCA Blade Design for the ATLAS Level-0 Muon Trigger at HL-LHC”, TWEPP2025, Crete, Greece. (Oral)

国内講演・発表

• Wada, A., Horii, Y., Izumiyama, S., Tomoto, M., and Nakahama, Y., 「LHC-ATLAS実験におけるヒッグス粒子のミューオン対崩壊の証拠」, 日本物理学会第80回年次大会, 2025年9月18日.

• 北彩友海 他, 「LHC-ATLAS実験308 fb−1陽子–陽子衝突データを用いた非共鳴ヒッグス対生成過程 HH→bb̄γγ の探索結果」, 日本物理学会第80回年次大会, 広島大学, 2025年9月.

• 成川佳史, 「LHC-ATLAS実験における消失飛跡と pixel dE/dx を用いた長寿命チャージーノ探索」, 日本物理学会2025年春季大会, 2025年3月.

• 成川佳史, 「LHC-ATLAS実験における消失飛跡を用いた Wino 探索のための Kink Vertex 再構成を利用した新しい背景事象識別手法の開発」, 日本物理学会2025年秋季大会, 2025年9月.

• Shota Kondo, “Search for Higgsino with Compressed Mass Spectra Using Low-pT Tracking”, Workshop for Tera-Scale Physics and Beyond, 大阪大学, 2025. （ポスター）

• 近藤翔太, 「LHC-ATLAS実験における超低運動量飛跡を用いた質量縮退ヒグシーノ探索の感度評価」, 日本物理学会2026年春季大会, 2026年. （口頭）

• H. Furusato, S. Hosoya, S. Suzuki, and K. Mawatari, “W-Boson Pair Production at Lepton Colliders in the Feynman-Diagram Gauge”, Iwate Collider School 2025, 岩手県八幡平市, 2025年.

• H. Furusato, S. Hosoya, S. Suzuki, and K. Mawatari, “Higgs Production in Association with a Z Boson at TeV-Scale Lepton Colliders”, Summer School for Future Higgs Factories 2025, 2025年.

• H. Furusato, S. Hosoya, S. Suzuki, and K. Mawatari, “Higgs Production in Association with a Z Boson at TeV-Scale Lepton Colliders”, Workshop for Tera-Scale Physics and Beyond, 大阪大学, 2025年.

• H. Furusato, S. Hosoya, S. Suzuki, and K. Mawatari, “Higgs Production in Association with a Z Boson at TeV-Scale Lepton Colliders”, KEK-PH2026winter, KEK, 2026年.

• H. Furusato, S. Hosoya, S. Suzuki, and K. Mawatari, “Higgs Production in Association with a Z Boson at TeV-Scale Lepton Colliders”, Iwate Collider School 2026, 岩手県八幡平市, 2026年.

• 山下恵理香, 「LHC-ATLAS実験における質量縮退領域でのスタウ探索に向けた信号領域の最適化と解析手法の構築」, 日本物理学会第80回年次大会, 広島大学, 2025年9月18日.

• 橋本大輔, 「LHC-ATLAS実験における HH→4b 事象探索に向けた bジェット同定手法の較正と改善」, 日本物理学会2026年春季大会, 2026年3月.

• 河本地弘, 「LHC-ATLAS実験における質量縮退領域でのスタウ探索に伴う背景事象および系統誤差の評価」, 日本物理学会第80回年次大会, 広島大学, 2025年9月.

• 秋山大也, 加地俊瑛, 澤田龍, 森永真央, 寄田浩平, 「LHC-ATLAS実験 Run 2 データを用いた消失飛跡探索の最終結果」, 日本物理学会2026年春季大会, 2026年3月.

• 泉山将大 他 ATLAS日本トリガーグループ, 「高輝度LHC-ATLAS実験に向けた初段ミューオントリガーの為のセクターロジック基板の設計と量産への展望」, 日本物理学会第80回年次大会, 2025年9月. （口頭）