Extremely low vertical-emittance beam in the accelerator test facility at KEK

K. Kubo, M. Akemoto, S. Anderson, T. Aoki, S. Araki, K. L. Bane, P. Blum, J. Corlett, K. Dobashi, P. Emma, J. Frisch, M. Fukuda, Z. Guo, K. Hasegawa, H. Hayano, T. Higo, A. Higurashi, Y. Honda, T. Iimura, T. ImaiK. Jobe, S. Kamada, P. Karataev, S. Kashiwagi, E. Kim, T. Kobuki, T. Kotseroglou, Y. Kurihara, M. Kuriki, R. Kuroda, S. Kuroda, T. Lee, X. Luo, D. J. McCormick, B. McKee, T. Mimashi, M. Minty, T. Muto, Takashi Naito, G. Naumenko, J. Nelson, M. N. Nguyen, K. Oide, T. Okugi, T. Omori, T. Oshima, G. Pei, A. Potylitsyn, Q. Qin, T. Raubenheimer, M. Ross, H. Sakai, I. Sakai, F. Schmidt, T. Slaton, H. Smith, S. Smith, T. Smith, Toshikazu Suzuki, M. Takano, Seishi Takeda, N. Terunuma, N. Toge, J. Turner, J. Urakawa, V. Vogel, M. Woodley, J. Yocky, A. Young, F. Zimmermann

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51 Citations (Scopus)


The production of ultralow emittance electron beams in single-bunch-mode operation of accelerator test facility was reported. Gamma rays produced by Compton scattering were detected by a scintillation detector. The horizontal beam size was measured using a screen monitor in a high dispersion region in the extraction line. At the zero intensity limit, the horizontal emittance and vertical emittance were 1.1× 10-9rad m and less than 1.1× 10-11 rad m. At high intensity, strong effects of intrabeam scattering were observed.

Original languageEnglish
Article number194801
Pages (from-to)1948011-1948014
Number of pages4
JournalPhysical Review Letters
Issue number19
Publication statusPublished - 2002 May 13


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