山下研究室

学術論文

査読付き論文

• 2020
  • "ILC as a natural SUSY discovery machine and precision microscope: From light Higgsinos to tests of unification"
    Howard Baer, Mikael Berggren, Keisuke Fujii, Jenny List, Suvi-Leena Lehtinen, Tomohiko Tanabe, and Jacqueline Yan
    Phys. Rev. D 101, 095026 – Published 20 May 2020
    https://doi.org/10.1103/PhysRevD.101.095026
    https://arxiv.org/abs/1912.06643
  • "Role of future lepton colliders for fermionic Z-portal dark matter models"
    Dilip Kumar Ghosh, Taisuke Katayose, Shigeki Matsumoto, Ipsita Saha, Satoshi Shirai, and Tomohiko Tanabe
    Phys. Rev. D 101, 015007 – Published 10 January 2020
    https://doi.org/10.1103/PhysRevD.101.015007
    https://arxiv.org/abs/1906.06864
• 2018
  • "Accurate determination of the absolute ³He/⁴He ratio of a synthesized helium standard gas (Helium Standard of Japan, HESJ): Towards revision of the atmospheric ³He/⁴He ratio"
    Kenji Mishima, Hirochika, Sumino, Takahito Yamada, Sei Ieki, Naoki Nagakura, Hidetoshi Otono, Hideyuki Oide
    Geochemistry, Geophysics, Geosystems (G-Cubed)
    https://doi.org/10.1029/2018GC007554
    http://arxiv.org/abs/1804.08048
  • "Experimental verification of a gain reduction model for the space charge effect in a wire chamber"
    Naoki Nagakura, Kazuki Fujii, Isao Harayama, Yu Kato, Daiichiro Sekiba, Yumi Watahiki, Satoru Yamashita
    Progress of Theoretical and Experimental Physics (2018) Issue1
    https://doi.org/10.1093/ptep/ptx178
• 2015
  • "Development of time projection chamber for precise neutron lifetime measurement using pulsed cold neutron beams"
    Y. Arimoto, N. Higashi, Y. Igarashi, Y. Iwashita, T. Ino, R. Katayama, M. Kitaguchi, R. Kitahara, H. Matsumura, K. Mishima, N. Nagakura, H. Oide, H. Otono, R. Sakakibara, T. Shima, H.M. Shimizu, T. Sugino, N. Sumi, H. Sumino, K. Taketani, G. Tanaka, M. Tanaka, K. Tauchi, A. Toyoda, T. Tomita, T. Yamada, S. Yamashita, H. Yokoyama, T. Yoshioka
    Nuclear Instruments and Methods A 799 (2015) 187–196
    https://doi.org/10.1016/j.nima.2015.08.006
  • "A study of the measurement precision of the Higgs boson decaying into tau pairs at the ILC"
    Shin-ichi Kawada, Keisuke Fujii, Taikan Suehara, Tohru Takahashi, Tomohiko Tanabe
    European Physical Journal C 75 (2015) 12, 617
    http://dx.doi.org/10.1140/epjc/s10052-015-3854-2
  • "Beam dump experiment at future electron–positron colliders"
    Shinya Kanemura, Takeo Moroi, Tomohiko Tanabe
    Physics Letters B 751 (2015) 25-28
    http://dx.doi.org/10.1016/j.physletb.2015.10.002
  • "LCFIPlus: A Framework for Jet Analysis in Linear Collider Studies"
    Taikan Suehara, Tomohiko Tanabe
    Nuclear Instruments and Methods A 808 (2016) 109-116
    http://dx.doi.org/10.1016/j.nima.2015.11.054
  • "Full simulation study of the top Yukawa coupling at the ILC at √s=1 TeV"
    Tony Price, Philip Roloff, Jan Strube, Tomohiko Tanabe
    European Physical Journal C 75 (2015) 7, 309
    http://dx.doi.org/10.1140/epjc/s10052-015-3532-4
• 2014
  • "Production of Ultra Cold Neutrons by a Doppler Shifter with Pulsed Neutrons at J-PARC"
    K.MISHIMA, S.IMAJO, M.HINO, T.INO, Y.IWASHITA, R.KATAYAMA, M.KITAGUCHI, T.ODA, H.M.SHIMIZU, M.UTSURO, S.YAMASHITA, T.YOSHIOKA
    Journal of Physics: Conference Series 528 (2014) 012030
  • "Development of a new neutron mirror made of deuterated Diamond-like carbon"
    Dai SAKURAI, Junsei CHIBA, Takashi INO, Nobunori KAKUSHO, Naokatsu KANEKO, Ryo KATAYAMA, Masaaki KITAGUCHI, Kenji MISHIMA, Suguru MUTO, Kazuhide OZEKI, Yoshichika SEKI, Hirohiko M. SHIMIZU, Satoru YAMASHITA, Tamaki YOSHIOKA, Daiki NISHIMURA
    Journal of Physics: Conference Series 528 (2014) 012010
  • "Development of a simulation for measuring neutron electric dipole moment"
    Ryo KATAYAMA, Kenji MISHIMA, Satoru YAMASHITA, Dai SAKURAI, Masaaki KITAGUCHI, Tamaki YOSHIOKA, Yoshichika SEKI
    Journal of Physics: Conference Series 528 (2014) 012031
  • "Precision neutron flux measurement with a neutron beam monitor"
    T.Ino, H.Otono, K.Mishima, and T.Yamada
    Journal of Physics: Conference Series 528 (2014) 012039
• 2012
  • "Present status of neutron fundamental physics at J-PARC"
    Yasushi Arimoto, Haruhiko Funahashi, Nao Higashi, Masahiro Hino, Katsuya Hirota, Shohei Imajo, Takashi Ino, Yoshihisa Iwashita, Ryo Katayama, Masaaki Kitaguchi, Kenji Mishima, Suguru Muto, Hideyuki Oide, Hidetoshi Otono, Yoshichika Seki,Tatsushi Shima, Hirohiko M. Shimizu, Kaoru Taketani, Takahiro Yamada, Satoru Yamashita, and Tamaki Yoshioka
    Prog. Theor. Exp. Phys. 2012, 02B007
  • "Development of Longitudinal-Gradient Magnet for Time Focusing of Ultra-Cold Neutron With Anisotropic Inter-Pole"
    Yasushi Arimoto, Yoshihisa Iwashita, Tamaki Yoshioka, Masaaki Kitaguchi, Sohei I majo, Hirohiko M. Shimizu, Koichiro Asahi, Takashi Ino, Yoshio Kamiya, Kenji Mishima, Suguru Muto, Kenji Sakai, Tatsushi Shima, Kaoru Taketani, Satoru Yamashita, and Akihiro Yoshimi
    IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, VOL. 22, NO. 3, JUNE 2012, 4500704
• 2011
  • "Measuring the top Yukawa coupling at the ILC at sqrt(s) = 500 GeV"
    Ryo Yonamine, Katsumasa Ikematsu, Tomohiko Tanabe, Keisuke Fujii, Yuichiro Kiyo, Yukinari Sumino, Hiroshi Yokoya
    Physical Review D84, 014033 (2011), DOI: 10.1103/PhysRevD.84.014033
  • "Polarization of very cold neutron using a permanent magnet quadrupole"
    T.Yoshioka, K.Mishima, T.Ino, K.Taketani, S.Muto, T.Morishima, H.M.Shimizu, T.Oku, J.Suzuki, T.Shinohara, K.Sakai, H.Sato, K.Hirota, Y.Otake, M.Kitaguchi, M.Hino, Y.Seki, Y.Iwashita, M.Yamada, M.Ichikawa, T.Sugimoto, S.Kawasaki, S.Komamiya, H.Otono, Y.Kamiya, S.Yamashita and P.Geltenbort
    Nuclear Instruments and Methods in Physics Resarch, A 634, 2011, 17-20
  • 『新型光検出器 Pixelated Photon Detector （実験技術）』
    生出秀行．音野瑛俊，山下了
    日本物理学会誌，66, No.1, 2011, 20-28
• 2010
  • "A limit for the mu → e gamma decay from the MEG experiment."
    MEG Collaboration, J.Adam, S.Yamashita et al. (67/69),
    Nucl.Phys.B834:1-12,2010
  • "Measurement of the W ->ℓν and Z/γ* -> ℓℓ production cross sections in proton-proton collisions at √s = 7 TeV with the ATLAS detector"
    ATLAS Collaboration
    Journal of High Energy Physics Volume 2010, Number 12, 1-65, DOI: 10.1007/JHEP12(2010)060
  • "Studies on Multiplication Effect of Noises of PPD, and a Proposal of a New Structure to Improve the Performance"
    H. Oide*, T.Murase, H. Otono, S. Yamashita
    Nuclear Instruments and Methods in Physics Research, A 613, 2010, 23-28, DOI: 10.1016/j.nima.2009.11.012
• 2008
  • "Measurement of alpha(s) with radiative hadronic events"
    OPAL Collaboration, G. Abbiendi, S.Yamashita et al. (207/209))
    Eur.Phys.J.C53:21-39, 2008
  • "Inclusive Jet Production in Photon-Photon Collisions at s(ee)**(1/2) from 189 to 209-GeV"
    The OPAL Collaboration, G. Abbiendi, S.Yamashita et al. (213/215)
    Phys.Lett.B658:185-192,2008
  • "Hidden particle production at the ILC"
    K. Fujii, H. Hano, H. Itoh, N. Okada, T. Yoshioka,
    Physical Review, D78, 2008, 015008-1, 015008-9
• 2007
  • "Measurement of the e+e- → W+W- cross section and W decay branching fractions at LEP"
    The OPAL collaboration, G. Abbiendi, S.Yamashita et al. (225/228)
    Eur. Phys. J. C52 767-785 (2007)
  • "Search for invisibly decaying Higgs bosons with large decay width using the OPALdetector at LEP"
    The OPAL collaboration, G. Abbiendi, S.Yamashita et al., (225/228)
    Eur. Phys. J. C49 457-472 (2007)
  • "Development and study of the multi pixel photon counter"
    S. Gomi, H. Hano, T. Iijima, S. Itoh, K. Kawagoe, S.H. Kim, T. Kubota, T. Maeda, T. Matsumura, Y. Mazuka, K. Miyabayashi, H. Miyata, T. Murakami, T. Nakadaira, T. Nakaya, H. Otono, E. Sano, T. Shinkawa, Y. Sudo, T. Takeshita, M. Taguchi, T. Tsubokawa, S. Uozumi, M. Yamaoka, H. Yamazaki, M. Yokoyama, K. Yoshimura and T. Yoshioka
    Nuclear Instruments and Methods in Physics Research, A581, 2007, 427, 432
• 2006
  • 『国際リニアコライダー計画 素粒子物理の新しいパラダイム構築に向けて』
    横谷馨，山下了
    日本物理学会誌, 61, No.4, 2006, 240-247

査読なし論文

• 2016
  "Implications of the 750 GeV γγ Resonance as a Case Study for the International Linear Collider"
  Keisuke Fujii, Christophe Grojean, Michael E. Peskin, Tim Barklow, Yuanning Gao, Shinya Kanemura, Hyungdo Kim, Jenny List, Mihoko Nojiri, Maxim Perelstein, Roman Poeschl, Juergen Reuter, Frank Simon, Tomohiko Tanabe, Jaehoon Yu, James D. Wells; Adam Falkowski, Shigeki Matsumoto, Takeo Moroi, Francois Richard, Junping Tian, Marcel Vos, Hiroshi Yokoya, Hitoshi Murayama, Hitoshi Yamamoto
  arXiv:1607.03829
• 2013
  "Full simulation study of very light gravitino at the ILC"
  Ryo Katayama, Takuaki Mori, Keisuke Fujii, Shigeki Matsumoto,Taikan Suehara, TomohikoTanabe, Satoru Yamashita
  LC Notes, LC-REP-2013-010
• 2011
  • "Measuring the top Yukawa coupling at the ILC at sqrt(s) = 500 GeV"
    Ryo Yonamine, Katsumasa Ikematsu, Tomohiko Tanabe, Keisuke Fujii, Yuichiro Kiyo, Yukinari Sumino, Hiroshi Yokoya
    arXiv:1104.5132
• 2009
  • "Physics at ILC and Role of Polarized Beams"
    S.Yamashita,
    AIP Conf.Proc.915:32-37, 2007
  • "Chargino and Neutralino Separation with the ILD Experiment"
    Taikan Suehara, Jenny List,
    arXiv:0906.5508
  • The International Large Detector Letter of Intent
    ILD concept group, 2009

Proceedings

• 2017
  • "Precise Neutron Lifetime Experiment Using Pulsed Neutron Beams At J-PARC"
    Naoki Nagakura, Katsuya Hirota, Sei Ieki, Takashi Ino, Yoshihisa Iwashita, Masaaki Kitaguchi, Ryunosuke Kitahara, Kenji Mishima, Aya Morishita, Hideyuki Oide, Hidetoshi Otono, Risa Sakakibara, Yoshichika Seki, Tatsushi Shima, Hirohiko M. Shimizu, Tomoaki Sugino, Naoyuki Sumi, Hirochika Sumino, Kaoru Taketani, Genki Tanaka, Tatsuhiko Tomita, Takahito Yamada, Satoru Yamashita, Mami Yokohashi, Tamaki Yoshioka
    Proceesings of Science PoS (INPC2016) 191
    arXiv:1702.03099
• 2015
  • "The Development of Cavity Frequency Tracking Type RF Control System for SRF-TEM"
    N. Higashi, M. Kuriki, S. Yamashita, A. Enomoto, Y. Funahashi, T. Furuya, X. Jin, Y. Kamiya, S. Michizono, M. Nishiwaki, H. Sakai, M. Sawabe, K. Ueno, M. Yamamoto
    International Particle Accelerator Conference 2015 Proceedings
  • "The Development of a Superconducting RF Electron Microscope"
    N. Higashi, T. Furuya, Y. Funahashi, K. Ueno, M. Sawabe, M. Nishiwaki, H. Sakai, S. Michizono, M. Yamamoto, A. Enomoto, Y. Kamiya, M. Kuriki, S. Yamashita
    Proceedings of the 12th Asia Pacific Physics Conference, JPS Conf. Proc., 014023, 2014
• 2014
  • "Simulation study for systematic uncertainty suppression in nEDM experiment assuming various surfaces roughness"
    Ryo Katayama, Kenji Mishima, Masaaki Kitaguchi, Masakazu Kurata, Dai Sakurai, Yoshichika Seki, Satoru Yamashita, Tamaki Yoshioka
    Proceedings of JPARC2014, accepted.
  • "The Development of a Superconducting RF Electron Microscope"
    N. Higashi, T. Furuya, Y. Funahashi, K. Ueno, M. Sawabe, M. Nishiwaki, H. Sakai, S. Michizono, M. Yamamoto, A. Enomoto, Y. Kamiya, M. Kuriki, S. Yamashita
    Proceedings of the 12th Asia Pacific Physics Conference, JPS Conf. Proc., 014023, 2014
• 2013
  • "The Development of a New Type of Electron Microscope using Superconducting RF Acceleration"
    N. Higashi, M. Kuriki, S. Yamashita, A. Enomoto, Y. Funahashi, T. Furuya, Y. Kamiya, S. Michizono, M. Nishiwaki, H. Sakai, M. Sawabe, K. Ueno, M. Yamamoto
    Proceedings of IPAC'13, 2013
• 2010
  • "Proceedings of the ILC Physics Working Group Meeting at KEK in the period from May 2007 to June 2009"
    K. Ikematsu, Y. Okada, H. Ono, S. Kanemura, T. Suehara, Y. Takubo, T.Tanabe, K. Fujii
    arXiv:1008.0908, 2010
  • "Simulation Study of W Boson + Dark Matter Signatures for Identification of New Physics"
    T. Suehara, M. Asano, K. Fujii, R. S. Hundi, H. Itoh, S. Matsumoto, N. Okada, T. Saito, Y. Takubo, H. Yamamoto
    Proceedings of LCWS 2010, arXiv:1007.0829
  • "Using Single Photons for WIMP Searches at the ILC"
    K. Murase, T. Tanabe, T. Suehara, S. Yamashita, S. Komamiya
    Proceedings of International Linear Collider Workshop 2010 (LCWS10 & ILC10), Beijing, China 26-30 March 2010. arXiv:1006.3551 [hep-ex] (June 2010)
• 2009
  • "Analysis of Tau-pair process in the ILD reference detector model"
    Taikan Suehara,
    Proceedings of ILC Physics WG Meetings, arXiv:0909.2398
• 2008
  • "SUSY-P5: Chargino / Neutralino Analysis in the Fully Hadronic Final State"
    D. Kafer, J. List, T. Suehara,
    Proceedings of the International Linear Collider Workshop 2008, arXiv:0901.4958 [hep-ph], 2008.
  • "Tau-pair Performance in ILD detectors"
    T. Suehara, A. Miyamoto, K. Fujii, N. Okada, H. Ito, K. Ikematsu, R. Yonamine,
    Proceedings of the International Linear Collider Workshop 2008, arXiv:0902.3740 [hep-ph], 2008.
• 2007
  • "Final Test at the Surface of the ATLAS Endcap Muon Trigger Chamber Electronics"
    T. Kubota, et al.
    proceedings for TWEPP2007, Prague, Czech Republic, 03 - 07 Sep 2007, pp.463-467, http://cdsweb.cern.ch/record/1091528
  • "Physics at ILC and Role of Polarized Beams"
    S. Yamashita,
    The proceedings of International Conference SPIN06. Published in AIP Conference Proceedings, 915, 2007, 32, 37