低速陽電子実験施設

KEK

成果公表論文等

全反射高速陽電子回折(TRHEPD)関連
  • Y. Endo, Y. Fukaya, I. Mochizuki, A. Takayama, T. Hyodo, S. Hasegawa, "Structure of superconducting Ca-intercalated bilayer Graphene/SiC studied using total-reflection high-energy positron diffraction" Carbon 157, 857-862 (2020) (Available online 25 October 2019)
    DOI: https://doi.org/10.1016/j.carbon.2019.10.070
    → プレスリリース(2019.11.14) 
  • Y. Fukaya, A. Kawasuso, A. Ichimiya and T. Hyodo, "Total-reflection high-energy positron diffraction (TRHEPD) for structure determination of the topmost- and immediate sub-surface atomic layers" J. Phys. D: Appl. Phys. 52, 013002-1-19 (2019).
  • 兵頭俊夫,「全反射陽電子回折(TRHEPD)による表面構造解析」固体物理 53, 705 (2018年11月号 p141).
  • 望月出海, 有賀寛子, 深谷有喜, 和田健, 前川雅樹, 河裾厚男, 設楽哲夫, 朝倉清高 ,兵頭俊夫 「全反射高速陽電子回折(TRHEPD)法によるルチル型TiO2 (110) (1×2)表面の構造決定」, 表面科学 37, 451-456(2016).
  • Y. Fukaya, I. Matsuda, B. Feng, I. Mochizuki, T. Hyodo, S. Shamoto, "Asymmetric structure of germanene on an Al(111) surface studied by total-reflection high-energy positron diffraction" 2D Materials 3, 035019 (2016). → プレスリリース(2016.9.13) 
  • Y. Fukaya, S. Entani, S. Sakai, I. Mochizuki, K. Wada, T. Hyodo, S. Shamoto, "Spacing between graphene and metal substrates studied with total-reflection high-energy positron diffraction", Carbon, 103, 1, (2016), doi:10.1016/j.carbon.2016.03.006. → プレスリリース(2016.3.7) 
  • I. Mochizuki, H. Ariga, Y. Fukaya, K. Wada,M. Maekawa, A. Kawasuso, T. Shidara, K. Asakura, and T. Hyodo, "Structure determination of the rutile-TiO2(110)-(1 × 2) surface using total-reflection high-energy positron diffraction (TRHEPD)", Phys. Chem. Chem. Phys. 18, 7085 (2016). → プレスリリース(2016.2.24) 
  • 深谷有喜・兵頭俊夫「ポジトロンビーム回折法による表面研究」,放射線と産業 139, 13 (2015).
  • 兵頭俊夫,「随筆 : 全反射高速陽電子回折」,エネルギーレビュー (12月号), 3 (2015).
  • Y. Fukaya, M. Maekawa, A. Kawasuso,I. Mochizuki, K. Wada, T. Shidara, A. Ichimiya, and T. Hyodo, "Total-reflection high-energy positron diffraction: An ideal diffraction technique for surface structure analysis", Appl. Phys. Express 7, 056601-1-4 (2014). → プレスリリース(2014.4.21) 
  • T. Hyodo, Y. Fukaya, M. Maekawa, I. Mochizuki, K. Wada, T. Shidara, A. Ichimiya, and A. Kawasuso, "Total reflection high-energy positron diffraction (TRHEPD)", J. Phys.: Conf. Ser. 505, 012001-1-5 (2014).
  • Y. Fukaya, M. Maekawa, I. Mochizuki, K. Wada, T. Hyodo, and A. Kawasuso, "Reflection high-energy positron diffraction study on the first surface layer", J. Phys. Conf. Ser. 505, 012005-1-6 (2014).
  • Y. Fukaya, I. Mochizuki, M. Maekawa, K. Wada, T. Hyodo, I. Matsuda, and A. Kawasuso, "Structure of silicene on a Ag(111) surface studied by reflection high-energy positron diffraction" Phys. Rev. B 88, 205413-1-4 (2013). → プレスリリース(2013.11.21) 
  • Y. Fukaya, M. Maekawa, Mochizuki, K. Wada, T. Hyodo, and A. Kawasuso, "Reflection high-energy positron diffraction: the past 15 years and the future", J. Phys.: Conf. Ser. 443, 012068 (2013).
  • I. Mochizuki, Y. Fukaya, A. Kawasuso, K. Yaji, A. Harasawa, I. Matsuda, K. Wada, T. Hyodo, "Atomic configuration and phase transition of Pt-induced nanowires on a Ge(001) surface studied using scanning tunneling microscopy, reflection high-energy positron diffraction, and angle-resolved photoemission spectroscopy", Phys. Rev. B 85, 245438 (2012).
低速陽電子回折(LEPD)関連
  • K. Wada, T. Shirasawa, I. Mochizuki, M. Fujinami, T. Takahashi, M. Maekawa, A. Kawasuso, M. Kimura, and T. Hyodo, "Progress report on construction of a low-energy positron diffraction (LEPD) experiment station at KEK", JJAP Conf. Proc. 7, 011301-1-6 (2019).
  • K. Wada, T. Shirasawa, I. Mochizuki, M. Fujinami, M. Maekawa and A. Kawasuso, "Observation of Low-Energy Positron Diffraction Patterns with a Linac-Based Slow-Positron Beam", e-J. Surf. Sci. Nanotech. 16, 313-319 (2018).
汎用ステーション関連
  • K. Michishio, T. Kanai, S. Kuma, T. Azuma, Ken Wada, I. Mochizuki, T. Hyodo, A. Yagishita, Y. Nagashima, "Observation of a shape resonance of the positronium negative ion", Nature Communications 7, 11060-1-5 (2016) doi:10.1038/ncomms11060. → プレスリリース(2016.3.18) 
  • K. Michishio, R.H. Suzuki, K.Wada, I. Mochizuki, T. Hyodo, A.Yagishita and Y. Nagashima, "Profiles of a positronium beam produced using the photodetachment of positronium negative ions", Nucl. Instrum. Methods 785, 5-8 (2015).
  • Y. Nagashima, K. Michishio, H. Terabe, R. H. Suzuki, S. Iida, T. Yamashita, R. Kimura, T. Tachibana, I. Mochizuki, K. Wada, A. Yagishita, and T. Hyodo, "Positronium and positronium negative ion emission from alkali-metal coated tungsten surfaces", J. Phys.: Conf. Ser. 505, 012037-1-6 (2014).
  • K. Michishio, T. Tachibana, R.H. Suzuki, K. Wada, A. Yagishita, T. Hyodo、 Y. Nagashima, "An energy-tunable positronium beam produced using the photodetachment of the positronium negative ion", Appl. Phys. Lett. 100, 254102-1-4 (2012). → プレスリリース(2012.6.20) 
  • 長嶋泰之・満汐孝治,「最も軽い三体束縛系-ポジトロニウム負イオンの研究-」,日本物理学会誌 67, 333-337 (2012).
  • K. Michishio, T. Tachibana, H. Terabe, A. Igarashi, K. Wada, T. Kuga, A. Yagishita, T. Hyodo, and Y. Nagashima, "Photodetachment of Positronium Negative Ions", Phys. Rev. Lett. 106, 153401 (2011). → プレスリリース(2011.4.7) 
  • Y. Nagashima1, K. Michishio, T. Tachibana and H. Terabe, "Towards the production of an energy-tunable positronium beam using Ps- photodetachment technique", J. Phys.: Conf. Ser. 262, 012041-1-4 (2011).
  • 長嶋泰之,「ポジトロニウム負イオンの高効率生成とその応用」,アイソトープニュース,686巻 (2011年) 2.
  • T. Tachibana, K. Michisho, H. Terabe, K. Wada, T. Hyodo, T. Kurihara, A. Yagishita and Y. Nagashima, "Production of Positronium Negative Ions Using a Pulsed Low-energy Positron Beam at the KEK-PF Slow Positron Facility", Nucl. Instrum. Methods A 621, 670 (2010).
  • 長嶋泰之,「ポジトロニウム負イオンの大量生成」,パリティ 25, 6 (2010).
ポジトロニウム飛行時間(Ps-TOF)関連
  • A. Kawasuso, M. Maekawa, A. Miyashita, K. Wada, T. Kaiwa, and Y. Nagashima, "Positronium formation at Si surfaces", Phys. Rev. B 97, 245303-1-8 (2018).
  • S. Iida, K Wada, I Mochizuki, T Tachibana, T Yamashita, T Hyodo, Y Nagashima, "Emission of low-energy positronium from alkali-metal coated single-crystal tungsten surfaces", J. Phys.: Condens. Matter 28, 475002-1-4 (2016).
  • H. Terabe, S. Iida, T. Yamashita, T. Tachibana, B. Barbiellini, K. Wada, I. Mochizuki, A. Yagishita, T. Hyodo, Y. Nagashima , "Increase in the positronium emission yield from polycrystalline tungsten surfaces by sodium coating", Surface Science 641, 68 (2015).
  • H. Terabe, S. Iida, K. Wada, T. Hyodo, A Yagishita, and Y. Nagashima, "Efficient emission of positronium atoms from an Na-coated polycrystalline tungsten surface", J. Phy.: Conf. Ser. 443, 012075 (2013).
透過陽電子顕微鏡関連
  • M. Matsuyaa, S. Jinno, T. Ootsuka, M. Inoue, T. Kurihara, M. Doyama, M. Inoue and M. Fujinami, "Development of a transmission positron microscope", Nucl. Instrum. Methods, A 645, 102 (2011).
  • T. Oka, S. jinno, and M. Fujinami, "Analytical methods using a positron microprobe", Anal. Sci. 25, 837 (2009).
  • A. Uedono, K. Ito, H. Nakamori, S. Ata, T. Ougizawa, K. Ito, Y. Kobayashi, X. Cao, T. Kurihara, N. Oshima, T. Ohdaira, R. Suzuki, T. Akahane, M. Doyama, K. Matsuya, S. Jinno and M. Fujinami, "Annihilation characteristics of positrons in free-standing thin metal and polymer films", Nucl. Instrum. Meth B, 266, 750 (2008).
  • M. Doyama, A. Kogure, M. Inoue, T. Kurihara, X. Cao, M. Matsuya, T. Yoshiie, Y. Hayashi, Q. Xu and M. Fujinami, "Transmission positron images using imaging plates", Appl. Surf. Sci. 255, 89 (2008).
  • M. Doyama, Y. Kogure, M. Inoue1, T. Kurihara, M. Matsuya, K. Tsuno, T. Yoshiie, and M. Fujinami, "Transmission positron images and microscopes", Phys. Stat. Sol. (c) 4, 3977 (2007).
ビームライン及び施設全般関連
  • T. Hyodo, I. Mochizuki, K. Wada, N. Toge, T. Shidara, "Slow positron applications at Slow Positron Facility of Institute of Materials Structure Science, KEK", AIP Conference Proceedings 1970, 040004-1-10 (2018).
  • T. Hyodo, K. Wada, I. Mochizuki, M. Kimura1, N. Toge, T. Shidara, Y. Fukaya, M. Maekawa, A. Kawasuso, S. Iida, K. Michishio, Y. Nagashima, "Research progress at the Slow Positron Facility in the Institute of Materials Structure Science, KEK" J. Phys.: Conf. Ser. 791 (2017) 012003-1-8. doi:10.1088/1742-6596/791/1/012003
  • M. Maekawa, K. Wada, Y. Fukaya, A. Kawasuso, I. Mochizuki, T. Shidara, and T. Hyodo, "Brightness enhancement of a linac-based intense positron beam for total-reflection high-energy positron diffraction (TRHEPD)", Eur. Phys. J. D 68,165-1-6 (2014).
  • K. Wada, T. Hyodo, T. Kosuge, Y. Saito, M. Ikeda, S. Ohsawa, T. Shidara, K. Michishio, T. Tachibana, H. Terabe, R. H. Suzuki, Y. Nagashima, Y. Fukaya, M. Maekawa, I. Mochizuki, and A. Kawasuso, "New experiment stations at KEK Slow Positron Facility", J. Phys.: Conf. Ser. 443, 012082-1-6 (2013).
  • K. Wada, T. Hyodo, A. Yagishita, S. Ikeda. T. Ohsawa, T. Shidara,. MichishioT. TachibanaY. NagashimaY. FukayaM. MaekawaA. Kawasuso, "Increase in the beam intensity of the linac-based slow positron beam and its application at the Slow Positron Facility, KEK", Eur. Phys. J. D 66, 37-1-4 (2012).
  • T Hyodo, K Wada, A Yagishita, T Kosuge, Y Saito, T Kurihara, T Kikuchi, A Shirakawa, T Sanami, M Ikeda, S Ohsawa, K Kakihara and T Shidara, "KEK-IMSS Slow Positron Facility", J. Phys. Conf. Ser. 262, 012026-1-5 (2011).
  • 兵頭俊夫・和田健,「KEK低速陽電子実験施設」,加速器 8, 3-17 (2011).
その他
  • K. Yaji, S. Kim, I. Mochizuki, Y. Takeichi, Y. Ohtsubo, P. Le Fèvre, F. Bertran, A. Taleb-Ibrahimi, S. Shin and F. Komori, "One-dimensional metallic surface states of Pt-induced atomic nanowires on Ge (001)", J. Phys.: Condens. Matter 28, 284001-1-9 (2016).
  • 兵頭俊夫,「巻頭言 : 放射線教育の難しさ」,Isotope news 736 (8月号), 1 (2015).
  • F. Saito, T. Yotoriyama, I. Nishiyama, Y. Suzuki, A.Goto, Y. Nagashima and T. Hyodo, "Characterization of ion-irradiated poly-L-lactic acid using nano-cutting", Phys. Chem. Chem. Phys. 16, 26991 (2014).
  • K. Shibuya, T. Nakayama, H. Saito, and T. Hyodo, "Spin conversion and pick-off annihilation of ortho-positronium in gaseous xenon at elevated temperatures", Phys. Rev. A 88, 012511 (2013).
  • K. Wada and T. Hyodo, "A simple shape-free model for pore-size estimation with positron annihilation lifetime spectroscopy", J. Phys.: Conf. Ser. 443 012003 (2013).
  • 兵頭俊夫,「陽電子による物質研究」,"量子ビーム物質科学" 185(高エネルギー加速器研究機構監修,共立出版, 2013).
  • K. Wada, F. Saito, N. Shinohara, and T. Hyodo, "Pick-off quenching probability of ortho-positronium per collision with atoms and molecules", Eur. Phys. J. D, 66, 108 (2012).
  • 兵頭俊夫,「『陽電子』:役に立つ反粒子」,"高校生のための東大授業ライブ:学問の宇宙" 117(東京大学教養学部編,東京大学出版会,2012).
  • 兵頭俊夫,「放射線の発生」(pp1041-43)「放射線の種類と性質」(pp1050-52)「放射線の遮蔽」(pp1053-54)「放射線に関する量と単位」(pp1055-61),理科年表平成24年版(第85冊)(国立天文台編,丸善出版,2011).
  • K. Inoue, N. Suzuki, T. Hyodo, et al. "Delocalized positronium in BaF2", J. Phys. Soc. Jpn. 80, 054709 (2011).
  • K. Wada, F. Saito, and T. Hyodo, "Orthopositronium annihilation rates in gaseous halogenated methanes", Phys. Rev. A 81, 062719- (2010).
  • 西山逸雄,齋藤文修,廬歓時,兵頭俊夫,「ナイフカッティング法による塗膜付着エネルギー評価法」,表面技術 63, 184 (2012).
  • F. Saito, I. Nishiyama and T. Hyodo, "Cutting strength - A new indicator for the mechanical strength of materials", Mater. Lett. 66, 114 (2012).
  • F. Saito, Y. Nishiyama and T. Hyodo, "An improved method for the measurement of adhesion energy by using a nano-cutting machine", Surf. Coat. Tech. 205, 419 (2010).
  • 兵頭俊夫,「新SI単位をめぐって -定義定数による定義とは」,大学の物理教育 25, No.3 116-120 (2019).
  • 兵頭俊夫,「平成の理科教育・物理教育と日本物理学会」,日本物理学会誌 74, No.5, 292-293 (2019).
  • 兵頭俊夫監修,「くらべてわかる 科学小事典」(大月書店, 2014)
  • 兵頭俊夫(責任編集)「特集:利用する物理,基礎理論はいかに応用されるか」,数理科学(サイエンス社)2014,2月号
  • 兵頭俊夫,「変位電流は磁場を"作る"か」,物理教育, 60, 44 (2012).