原著論文・総説・国際会議論文  国際・国内会議発表

原著論文・総説・国際会議論文

・K. Michishio, S. Kuma, Y. Nagata, L. Luca, T. Iizka, R. Mikami, T. Azuma and Y. Nagashima
 Threshold photodetachment spectroscopy of the positronium negative ion
 Physical Review Letters 125 (2020) 063001

・Y. Nagata, K. Michishio, T. Iizka, H. Kikutani, L. Chiari, F. Tanaka and Y. Nagashima
 Motnion-induced transition of positronium through a static periodic magnetic field in the sub-THz region
 Physical Review Letters 124 (2020) 173202

・K. Michishio, L. Chiari, F. Tanaka, N. Oshima and Y. Nagashima
 A high-quality and energy-tunable positronium beam system employing a trap-based positron beam
 Review of Scientific Instruments 90 (2019) 023305
 (表紙およびfeaturedに選ばれました。またAIPのScilightに取り上げられました。)

・Koji Michishio, Luca Chiari, Fumi Tanaka, Nagayasu Oshima and Yasuyuki Nagashima
 Development of a High-brightness, Energy-tunable Positronium Beam for Surface Scattering Experiments
 Japanese Journal of Applied Physics, Conference Series 7 (2019) 111304

・A. Kawasuso, M. Maekawa, A. Miyashita, K. Wada, T. Kaiwa and Nagashima
 Positronium formation at Si surfaces
 Physical Review B 97 (2018) 245303 (2018)

・Takayuki Tachibana, Takashi Yamashita, Masaru Nagira, Hisakuni Yabuki and Yasuyuki Nagashima
 Observation of a shape resonance of the positronium negative ion
 Scientific Reports 8 (2018) 7197

・Takashi Yamashita, Satoshi Hagiwara, Takayuki Tachibana, Kazuyuki Watanabe and Yasuyuki Nagashima
 Experimental and computational studies of positron-stimulated ion desorption from TiO2 (1 1 0) surface
 Materials Research Express 4 (2017) 116303

・立花隆行, 長嶋泰之
 陽電子消滅誘起イオン脱離
 原子衝突学会誌しょうとつ 14 (2017) 44

・Takashi Yamashita, Shimpei Iida, Hiroki Terabe and Yasuyuki Nagashima
 Thermal positron interactions with alkali covered tungsten
 Nuclear Instruments and Methods in Physics Research B 387 (2016) 115

・S. Iida, K. Wada, I. Mochizuki, T. Tachibana, T. Yamashita, T. Hyodo and Y. Nagashima
 Emission of low-energy positronium from alkali-metal coated single-crystal tungsten surfaces
 J. Phys. Condens. Matter 28 (2016) 475002

・長嶋泰之
 ポジトロニウムの散乱実験
 陽電子科学 7 (2016) 33

・長嶋泰之、五十嵐明則、満汐孝治
 ポジトロニウム負イオン
 原子衝突学会誌しょうとつ 13 (2016) 64

・K. Michishio, T. Kanai, S. Kuma, T. Azuma, Ken Wada, I. Mochizuki, T. Hyodo, A. Yagishita and Y. Nagashima
 Observation of a shape resonance of the positronium negative ion
 Nature Communications 7 (2016) 11060

・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
 Nuclear Instruments and Methods in Physics Research A 785 (2015) 5

・H. Terabe, S. Iida, T. Yamashita, T. Tachibana, B. Barbiellini, K. Wada, I. Mochizuki, A. Yagishita, T. Hyodo and Y. Nagashima
 Increase in the positronium emission yield from polycrystalline tungsten surfaces by sodium coating
 Surface Science 641 (2015) 68

・K. Michishio and Y. Nagashima
 Development of energy-tunable positronium beams employing the photodetachment of positronium negative ions
 Jpn. J. Appl. Phys. Conf. Proc. 2 (2015) 011303

・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. Conference Series 505 (2014) 012037

・Y. Nagashima, K. Michishio and H. Terabe
 The simplest three body system: positronium negative ions
 AIP Conf. Proc. 1588 (2014) 27

・Y. Nagashima
 Experiments on positronium negative ions
 Phys. Rep. 545 (2014) 95

・T. Suzuki, H. Terabe, S. Iida, T. Yamashita and Y. Nagashima
 Development of a method to study positron diffusion in metals by the observation of positronium negative ions
 Nuclear Instruments and Methods in Physics Research B 334 (2014) 40

・T. Tachibana, T. Hirayama and Y. Nagashima
 Positron-annihilation-induced ion desorption from TiO2(110)
 Phys. Rev. B 89 (2014) 201409 (R)

・H. Terabe, S. Iida, K. Wada, T. Hyodo, A. Yagishita and Y. Nagashim
 Efficient emission of positronium atoms from Na-coated polycrystalline tungsten surface
 J. Phys. Conference Series 433 (2013) 245438

・Y. Nagashima, K. Michishio, T. Tachibana, H. Terabe and R. H. Suzuki
 Positronium negative ion experiment -formation, photodetachment and production of an energy tunable positronium beam-
 J. Phys. Conference Series 388 (2012) 012021

K. Michishio, T. Tachibana, R. H. Suzuki, K. Wada, A. Yagishita, T.Hyodo and Y. Nagashima
 An energy-tunable positronium beam produced using the photodetachment of the positronium negative ion
 Appl. Phys. Lett. 100 (2012) 254102

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 (2012) 333

K. Nagumo, Y. Nitta, M. Hoshino, H. Tanaka and Y. Nagashima
 Magnetic-field-free measurements of the total cross sections for positron scattering from neon
 Eur. Phys. J. D 66 (2012) 81

H. Terabe, K. Michishio, T. Tachibana and Y. Nagashima
 Durable emission of positronium negative ions from Na- and K-coated W(100) surfaces
 New J. Phys. 14 (2012) 015003

K. Nagumo, Y. Nitta, M. Hoshino, H. Tanaka and Y. Nagashima
 Measurements of total cross sections for positron scattering from He under magnetic-field-free conditions using an electrostatic high-berightness slow positron beam system
 J. Phys. Soc. Jpn. 80 (2011) 064301

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 (2011) 153401

H. Terabe, K. Michishio, T. Tachibana and Y. Nagashima
 Ps- Emission from Na coated W(100) Surfaces
 J. Phys. Conference Series 262, 012058 (2011)

K. Nagumo, Y. Nitta, M. Hoshino, H. Tanaka and Y. Nagashima
 Measurements of the Total Cross Sections for Positrons Scattered by He Using an  
 Electrostatic High-Brightness Slow Positron Beam Apparatus

 J. Phys. Conference Series 262, 012042 (2011)

Y. Nagashima, K. Michishio, T. Tachibana and H. Terabe
 Towards the production of an energy-tunable positronium beam using Ps- photodetachment  
 technique

 J. Phys. Conference Series 262, 012041 (2011)

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
 Nuclear Instruments and Methods in Physics Research A 621 (2010) 670

K. Nagumo, Y.Nitta, D. Tomida, M. Hoshino, H. Tanaka and Y. Nagashima
 An electrostatic slow positron beam apparatus for positron scattering experiments
 Journal of Physics: Conference Series 199 (2010) 012024

K. Michishio, T. Tachibana, H. Terabe, A. Miyamoto and Y. Nagashima
 Ps− emission from Cs coated surfaces
 J. Phys. Conference Series 199 (2010) 012003

K. Nagumo, D. Tomida, Y. Nitta, M. Hoshino, H. Tanaka and Y. Nagashima
 Measurements of the total cross sections for positron-He scattering using an electrostatic high-brightness slow positron beam apparatus
 J. Phys. Conference Series 194 (2009) 072007

Y. Nagashima, T. Hakodate, A. Miyamoto, K. Michishio and H. Terabe
 Efficient formation of positronium negative ions
 J. Phys. Conference Series 194 (2009) 012039

Y. Nagashima, T. Hakodate, A. Miyamoto, K. Michishio and H. Terabe
 Emission of positronium negative ions from Cs deposited W(100) and polycrystalline Fe surface
 Physica Status Solidi (c) 6 (2009) 2291

Y. Nagashima, T. Hakodate, A. Miyamoto and K. Michishio
 Efficient emission of positronium negative ions from Cs deposited W(100) surfaces
 New J. Phys. 10 (2008) 123029

Y. Nagashima, T. Hakodate and T. Sakai
 Spontaneous emission of positronium negative ions from polycrystalline tungsten surface
 Applied Surface Science 255 (2008) 217

W. Suda, K. Nagumo, D. Tomida, M. Hoshino, Y. Nagashima and H. Tanaka
 Development of an electrostatic high-brightness slow positron beam apparatus for positron scattering experiments
 Nuclear Instruments and Methods in Physics Research B 266 (2008) 416-418

Y. Nagashima
 Experimental studies on positronium negative ions
 Nuclear Instruments and Methods in Physics Research B 266 (2008) 511

F. Saito, Y. Fujii, Y. Nagashima, T. Yotoriyama, A. Nakao, Y. Suzuki, M. Iwaki, I. Nishiyama and T. Hyodo
 Density change of ion irradiated polystyrene studied by positron annihilation and SAICAS
 Physica Status Solidi (c) 4 (2007) 3718

Y. Nagashima, W. Shigeta, T. Hyodo and M. Iwaki
 Measurement of Cu K and Ag, In and Sn L X-ray producion cross sections by low-energy positron impact
 Radiation Physics and Chemistry 76 (2007) 465

F. Saito, T. Yotoriyama, Y. Fujii, Y. Nagashima, A. Nakao, M. Iwaki, I. Nishiyama and T. Hyodo
 Study of ion-irradiated polystyrene using slow positron beam
 Radiation Physics and Chemistry 76 (2007) 200-203

Y. Nagashima and T. Sakai
 First observation of positronium negative ions emitted from tungsten surfaces
 New Journal of Physics 8, 319 (2006)

Y. Nagashima, W. Shigeta, T. Hyodo, F. Saito, Y. Itoh, A. Goto and M. Iwaki
 Study of inner-shell ionization by low-energy positron impact,Photonic, in Electronic and Atomic Collision
 Proceedings of the XXIV International Conference edited by P.D.Fainstein, M.A.P.Lima, J.E.Miraglia, E.C.Montenegro and R.D.Rivarola, (World Scientific, 2006) p.399

Y. Nagashima, F. Saito, Y. Itoh, A. Goto and T. Hyodo
 Measurement of characteristic X-rays by positron impact
 Materials Science Forum 445-446 (2004) 440

Y. Nagashima, F. Saito, Y. Itoh, A. Goto and T. Hyodo
 Measurement of Cu K-Shell and Ag L-Shell Ionization Cross Sections by Low-Energy Positron Impact
 Phys. Rev. Lett. 92 (2004) 223201