Efficiency Enhancement of Indirect Transverse Laser Cooling with Synchro-Betatron Resonant Coupling by Suppression of Beam Intensity
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概要
- 論文の詳細を見る
The efficiency of indirect transverse laser cooling with synchro-betatron resonance coupling has been improved with the reduction in beam intensity by scraping the tail part of the beam. In order to measure the beam size at a low beam intensity, a new scheme to measure the beam profile by observation of the survival ratio with changing the scraper position has been established. With 10^{4} particles, the transverse cooling time was reduced to 1.2 s, and the cooled horizontal and vertical beam sizes were 0.19 and 0.61 mm, corresponding to temperatures of 20 and 29 K, respectively, which is largely improved compared with that in our previous experiment [Nakao et al.: Phys. Rev. ST Accel. Beam 15 (2012) 110102].
- 2013-03-25
著者
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Noda Akira
Institute For Chemical Research Kyoto University
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Jimbo Kouichi
Institute Of Advanced Energy Kyoto University
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Okamoto Hiromi
Graduate School Of Advanced Sciences Of Matter Hiroshima University
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Souda Hikaru
Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
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Yuri Yosuke
Takasaki Advanced Radiation Research Institute, Japan Atomic Energy Agency, 1233 Watanuki-machi, Takasaki, Gunma 370-1292
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Tongu Hiromu
Institute for Chemical Reaserch, Kyoto University, Uji, Kyoto 611-0011, Japan
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Tongu Hiromu
Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
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Nakao Masao
Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
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Osaki Kazuya
Graduate School of Advanced Sciences of Matter, Hiroshima University, Higashihiroshima, Hiroshima 739-8530, Japan
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Zhengqi He
Department of Engineering Physics, Tsinghua University, Beijing 100084, P. R. China
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Grieser Manfred
Max-Planck-Institut für Kernphysik, D-69029 Heidelberg, Germany
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Grieser Manfred
Max-Planck-Institut für Kernphysik, D-69029 Heidelberg, Germany
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