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Kubo K, Akemoto M, Anderson S, Aoki T, Araki S, Bane KLF, Blum P, Corlett J, Dobashi K, Emma P, Frisch J, Fukuda M, Guo Z, Hasegawa K, Hayano H, Higo T, Higurashi A, Honda Y, Iimura T, Imai T, Jobe K, Kamada S, Karataev P, Kashiwagi S, Kim E, Kobuki T, Kotseroglou T, Kurihara Y, Kuriki M, Kuroda R, Kuroda S, Lee T, Luo X, McCormick DJ, McKee B, Mimashi T, Minty M, Muto T, Naito T, Naumenko G, Nelson J, Nguyen MN, Oide K, Okugi T, Omori T, Oshima T, Pei G, Potylitsyn A, Qin Q, Raubenheimer T, Ross M, Sakai H, Sakai I, Schmidt F, Slaton T, Smith H, Smith S, Smith T, Suzuki T, Takano M, Takeda S, Terunuma N, Toge N, Turner J, Urakawa J, Vogel V, Woodley M, Yocky J, Young A, Zimmermann F. Extremely low vertical-emittance beam in the accelerator test facility at KEK. Phys Rev Lett 2002; 88:194801. [PMID: 12005637 DOI: 10.1103/physrevlett.88.194801] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2001] [Indexed: 05/23/2023]
Abstract
Electron beams with the lowest, normalized transverse emittance recorded so far were produced and confirmed in single-bunch-mode operation of the Accelerator Test Facility at KEK. We established a tuning method of the damping ring which achieves a small vertical dispersion and small x-y orbit coupling. The vertical emittance was less than 1% of the horizontal emittance. At the zero-intensity limit, the vertical normalized emittance was less than 2.8 x 10(-8) rad m at beam energy 1.3 GeV. At high intensity, strong effects of intrabeam scattering were observed, which had been expected in view of the extremely high particle density due to the small transverse emittance.
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Affiliation(s)
- K Kubo
- High Energy Accelerator Research Organization, Tsukuba 305-0801, Japan
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Bula C, McDonald KT, Prebys EJ, Bamber C, Boege S, Kotseroglou T, Melissinos AC, Meyerhofer DD, Ragg W, Burke DL, Field RC, Horton-Smith G, Odian AC, Spencer JE, Walz D, Berridge SC, Bugg WM, Shmakov K, Weidemann AW. Observation of nonlinear effects in Compton scattering. Phys Rev Lett 1996; 76:3116-3119. [PMID: 10060879 DOI: 10.1103/physrevlett.76.3116] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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