論文 - 桒原 真人
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Spin-polarized electrons extracted from GaAs tips using field emission 査読有り
M. Kuwahara, T. Morino, T. Nakanishi,
AIP Conference Proceedings, PROCEEDINGS OF THE 17TH INTERNATIONAL SPIN PHYSICS SYMPOSIUM 915 巻 頁: 1055 2007年
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Field Emission of Spin-Polarized Electrons Extracted from Photoexcited GaAs Tip 査読有り
M. Kuwahara, T. Nakanishi, S. Okumi, M. Yamamoto, M. Miyamoto, N. Yamamoto, K. Yasui, T. Morino, R. Sakai, K. Tamagaki, K. Yamaguchi
Japanese Journal of Applied Physics 45 巻 ( 8A ) 頁: 6245 2006年
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Highly polarized electrons from GaAs-GaAsP and InGaAs-AlGaAs strained superlattice photocathode 査読有り
T. Nishitani, T. Nakanishi, M. Yamamoto, S. Okumi, F. Furuta, M. Miyamoto, M. Kuwahara, N. Yamamoto, K. Naniwa, O. Watanabe, Y. Takeda, H. Kobayakawa, Y. Takashima, H. Horinaka, T. Matsuyama, K. Togawa, T. Saka, M. Tawada, T. Omori, Y. Kurihara, M. Yoshioka, K. Kato and T. Baba
Journal of Applied Physics 97 巻 頁: 094907 1-6 2005年
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Properties of Field Emission Dark Current from Molybdenum and Titanium Electrodes 査読有り
F. Furuta, M. Yamamoto, T. Nakanishi, S. Okumi, T. Gotoh, M. Miyamoto, M. Kuwahara, N. Yamamoto, K. Naniwa, K. Yasui, H. Matsumoto, M. Yoshioka and K. Togawa
Proceedings of 16th International Spin Physics Symposium (SPIN2004) and Workshop on Polarized Electron Sources and Polarimeters (PESP2004) 頁: 964 2005年
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Recent PES Photocathode R&D at Nagoya University 査読有り
M. Kuwahara, T. Nakanishi, S. Okumi, M. Yamamoto, F. Furuta, M. Miyamoto, N. Yamamoto, K. Naniwa, K. Yasui. T. Nishitani, O. Watanabe, Y. Takeda, H. Kobayakawa, Y. Takashima and K. Togawa
Proceedings of 16th International Spin Physics Symposium (SPIN2004) and Workshop on Polarized Electron Sources and Polarimeters (PESP2004) 頁: 953 2005年
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Present Status of 200 keV Polarized Electron Gun at Nagoya University 査読有り
M. Yamamoto, N. Yamamoto, T. Nishitani, S. Okumi, F. Furuta, M. Miyamoto, M. Kuwahara, K. Naniwa and K. Yasui
Proceedings of 16th International Spin Physics Symposium (SPIN2004) and Workshop on Polarized Electron Sources and Polarimeters (PESP2004) 頁: 902 2005年
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Reduction of field emission dark current for high-field gradient electron gun by using a molybdenum cathode and titanium anode 査読有り
F. Furuta, T. Nakanishi, S. Okumi, T. Gotou, M. Yamamoto, M. Miyamoto, M. Kuwahara, N. Yamamoto, K. Naniwa, K. Yasui, H. Matsumoto, M. Yoshioka and K. Togawa
Nuclear Instruments and Methods in Physics Research Section A 538 巻 頁: 33 2005年
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Highly Polarized Electrons from GaAs-GaAsP and InGaAs-AlGaAs Strained Layer Superlattice Photocathodes
T. Nakanishi, T. Nishitani, M. Yamamoto, S. Okumi, F. Furuta, M. Kuwahara, N. Yamamoto, K. Naniwa, K. Yasui, O. Watanabe, Y. Takeda, H. Kobayakawa, Y. Takashima, H. Horinaka and T. Matsuyama
Proceedings of XXII International Linear Accelerator Conference (LINAC2004) 頁: 648 2004年
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An Electrode with Molybdenum-Cathode and Titanium-Anode to Minimize Field Emission Dark Currents
T. Nakanishi, F. Furuta, S. Okumi, T. Gotou, M. Yamamoto, M. Kuwahara, N. Yamamoto, K. Naniwa, K. Yasui, H. Kobayakawa, Y. Takashima, H. Matsumoto, M. Yoshioka and K. Togawa
Proceedings of XXII International Linear Accelerator Conference (LINAC2004) 頁: 645 2004年
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Ultra-High-Vacuum Problem for 200 keV Polarized Electron Gun with NEA-GaAs Photocathode
T. Nakanishi, M. Yamamoto, N. Yamamoto, S. Okumi, F. Furuta, M. Kuwahara, K. Naniwa, K. Yasui, H. Kobayakawa, Y. Takashima, H. Matsumoto, M. Kuriki and M. Yoshioka
Proceedings of XXII International Linear Accelerator Conference (LINAC2004) 頁: 201 2004年
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Basic R&D Studies for Lower Emittance Polarized Electron Guns 査読有り
C. Suzuki, T. Nakanishi, S. Okumi, F. Furuta, K. Wada, T. Nishitani, M. Yamamoto, M. Kuwahara, T. Hirose, R. Mizuno, N. Yamamoto, H. Matsumoto, M. Yoshioka, H. Horinaka, K. Wada, T. Matsuyama and H. Kobayakawa
Proceedings of 15th International Spin Physics Symposium (SPIN2002) and Workshop on Polarized Electron Sources and Polarimeters (PESP2002) published in AIP Conference Proceedings 675 巻 頁: 1068 2003年
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200 keV Polarized Electron Source at Nagoya University 査読有り
K. Wada, M. Yamamoto, T. Nakanishi, S. Okumi, T. Gotoh, C. Suzuki, F. Furuta, T. Nishitani, M. Miyamoto, M. Kuwahara, T. Hirose, R. Mizuno, N. Yamamoto, H. Matsumoto and M. Yoshioka
Proceedings of 15th International Spin Physics Symposium (SPIN2002) and Workshop on Polarized Electron Sources and Polarimeters (PESP2002) published in AIP Conference Proceedings 675 巻 頁: 1063 2003年
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Emittance measurement for 200-keV-electron beam extracted from NEA-GaAs photocathode using a pepper pot method 査読有り
N. Yamamoto, M. Yamamoto, T. Nakanishi, S. Okumi, F. Furuta, T. Nishitani, M. Miyamoto, M. Kuwahara, K. Naniwa, Y. Takashima, H. Kobayakawa, M. Kuriki, H. Matsumoto, and M. Yoshioka
FREE ELECTRON LASERS 2003 II 巻 頁: 51 2003年
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A 200keV gun with NEA-GaAs photocathode to produce low emittance electron beam
M. Yamamoto, K. Wada, N. Yamamoto, T. Nakanishi, S. Okumi, F. Furuta, T. Nishitani, M. Miyamoto, M. Kuwahara, K. Naniwa, Y. Takashima, H. Kobayakawa, M. Kuriki, H. Matsumoto, and M. Yoshioka
FREE ELECTRON LASERS 2003 II 巻 頁: 39-40 2003年
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Measurement of Field Emission Dark Current from the Titanium, Copper, and Stainless Steel Electrodes under the High DC-Field Gradient Condition
F. Furuta, C. Suzuki, T. Nakanishi, S. Okumi, T. Gotou, K. Wada, M. Yamamoto, T. Nishitani, M. Miyamoto, M. Kuwahara, T. Hirose, R. Mizuno, N. Yamamoto, H. Kobayakawa, H. Matsumoto and M. Yoshioka
Proceedings of XXI International LINAC Conference (LINAC2002) 頁: 431 2002年
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Charge limitation effects in photoemission from GaAsP strained layer cathode
A Subashiev, Yu Mamaev, B. Reznikov, T. Nakanishi, K. Togawa, T. Nishitani, M. Kuwahara, T. Hirose, R. Mizuno
Proceedings of the Ninth International Workshop Polarized Sources and Targets 頁: 175 2002年
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200keV Polarized Electron Source for Linear Collider
M. Yamamoto, K. Wada, T. Nakanishi, S. Okumi, C. Suzuki, F. Furuta, T. Nishitani, M. Miyamoto, M. Kuwahara, T. Hirose, R. Mizuno, N. Yamamoto, O. Watanabe, H. Kobayakawa, H. Matsumoto and M. Yoshioka
Proceedings of XXI International LINAC Conference (LINAC2002) 頁: 680 2002年
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Test of Cesium Telluride Photocathode as a Feasibility Study on Polarized RF-gun 査読有り
F. Furuta, H. Sugiyama, T. Nakanishi, S. Okumi, K. Togawa, C. Suzuki, K. Wada, M. Yamamoto, T. Nishitani, J. Watanabe, S. Kurahashi, M. Miyamoto, M. Kuwahara, R. Mizuno, T. Hirose, K. Kimura, H. Kobayakawa, Y. Takashima, M. Yoshioka and H. Matsumoto
Proceedings of 14th International Spin Physics Symposium (SPIN2000) and Workshop on Polarized Electron Sources and Polarimeters (PES2000) published in AIP Conference Proceedings 570 巻 頁: 1015 2001年