Nagai Ryo

長井遼 | Nagai Ryo

Affiliation and department：
Job title： Senior researcher
Other affiliations (1)：

Homepage URL (1)： https://inspirehep.net/authors/1322025

Research keywords (6)： Quantum computing , Neutrino , Flavor , Dark matter , Collider , Higgs

Research theme for competitive and other funds (4)：

Papers (19)：

Ryo Nagai, Shu Kanno, Yuki Sato, Naoki Yamamoto. Quantum channel decomposition with preselection and postselection. Phys.Rev.A. 2023. 108. 2. 022615-022615
Alejandro Ibarra, Merlin Reichard, Ryo Nagai. Anapole moment of Majorana fermions and implications for direct detection of neutralino dark matter. Journal of High Energy Physics. 2023. 2023. 1
Shinya Kanemura, Ryo Nagai, Masanori Tanaka. Electroweak phase transition in the nearly aligned Higgs effective field theory. Journal of High Energy Physics. 2022. 2022. 6
Shinya Kanemura, Ryo Nagai. A new Higgs effective field theory and the new no-lose theorem. Journal of High Energy Physics. 2022. 2022. 3
Stefania De Curtis, Stefano Moretti, Ryo Nagai, Kei Yagyu. CP-Violation in a composite 2-Higgs doublet model. Journal of High Energy Physics. 2021. 2021. 10

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MISC (5)：

Ryo Nagai, Shu Kanno, Yuki Sato, Naoki Yamamoto. Quantum channel decomposition with pre- and post-selection. QS. 2023. 2023-QS-9. 15. 1-7
Ryo Nagai. Tree level unitarity and finiteness of electroweak oblique corrections. 2015
Nagai Ryo, Tanabashi Masaharu, Tsumura Koji. 21aSD-6 Constraining extended electroweak symmetry breaking scenarios using the unitarity sum rules and the oblique parameters. Meeting abstracts of the Physical Society of Japan. 2014. 69. 2. 13-13
Nagai Ryo, Tanabashi Masaharu, Tsumura Koji. 30aSB-2 Constraining extended EWSB scenarios using the electroweak chiral Lagrangian with light Higgs bosons. Meeting abstracts of the Physical Society of Japan. 2014. 69. 1. 18-18
Nagai Ryo, Tanabashi Masaharu, Tsumura Koji. Effects of charged scalar resonances on the unitarity of longitudinal electroweak gauge boson scattering amplitudes. Meeting abstracts of the Physical Society of Japan. 2013. 68. 2. 13-13

Lectures and oral presentations (83)：

Quantum channel decomposition with pre- and post-selection
(Joint symposium on quantum computing 2023 2023)
Quantum channel decomposition with pre- and post-selection
(QS9 2023)
ノンカップリング効果を記述する新有効理論と新しい No-Lose 定理
(日本物理学会第77回年次大会 (2022年) 2022)
標準模型からの拡張有効理論と摂動的ユニタリ性
(日本物理学会第77回年次大会 (2022年) 若手奨励賞受賞記念公講演 2022)
EFT analysis of EWPT
(The 32th New Higgs Working Group 2021年11月27日 2022)

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Education (3)：

Professional career (3)：

Work history (7)：

2022/09 - 現在 Keio University
2022/04 - 現在 Hitachi, Ltd., Center for Exploratory Research, Research and Development Group Senior researcher
2021/04 - 2022/03 Osaka University Graduate School of Science
2019/11 - 2021/03 University of Padova, INFN Padova
2018/12 - 2019/11 東京大学宇宙線研究所理論グループポスドク研究員

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Awards (6)：

2022/06 - QS9 Quantum channel decomposition with pre- and post-selection
2022/03 - Young Scientist Award of the Physical Society of Japan Generalized Higgs effective field theory and perturbative unitarity
2017/03 - Toyama International Workshop on Higgs as a Probe of New Physics 2017 (HPNP2017) Best Poster - Honorable Mention Perturbative Unitarity vs. Electroweak Precision Tests in Extended Higgs Sectors
2015/03 - Sakata Memorial KMI Workshop on ''Origin of Mass and Strong Coupling Gauge Theories'' (SCGT15) Best Poster Award Tree level unitatiry and the finiteness of electroweak oblique corrections
2015/02 - Toyama International Workshop on Higgs as a Probe of New Physics 2015 (HPNP2015) Best Poster Award Tree level unitatiry and the finiteness of electroweak oblique corrections

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Association Membership(s) (2)：

THE PHYSICAL SOCIETY OF JAPAN , 情報処理学会

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