Round Colliding Beams at Vepp-2000 with Extreme Tuneshifts

Shwartz, Dmitry; Anashin, Vadim; Belikov, Oleg; Berkaev, Dmitriy; Gorchakov, Konstantin; Kasaev, Alexey; Kirpotin, Alexander; Koop, Ivan; Krasnov, Alexander; Kurkin, Grigory; Lysenko, Alexander; Motygin, Sergey; Perevedentsev, Evgeny; Prosvetov, Vasiliy; Rabusov, Dmitrii; Rogovsky, Yury; Semenov, Alexey; Senchenko, Alexander; Shatilov, Dmitry; Shatunov, Petr; Shatunov, Yuri; Shubina, Olga; Timoshenko, Maxim; Zemlyansky, Ilya; Zharinov, Yuri

doi:10.18429/JACoW-eeFACT2018-MOYBA01

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RIS citation export for MOYBA01: Round Colliding Beams at Vepp-2000 with Extreme Tuneshifts

TY  - CONF
AU  - Shwartz, D.B.
AU  - Anashin, V.V.
AU  - Belikov, O.V.
AU  - Berkaev, D.E.
AU  - Gorchakov, K.
AU  - Kasaev, A.S.
AU  - Kirpotin, A.N.
AU  - Koop, I.
AU  - Krasnov, A.A.
AU  - Kurkin, G.Y.
AU  - Lysenko, A.P.
AU  - Motygin, S.V.
AU  - Perevedentsev, E.
AU  - Prosvetov, V.P.
AU  - Rabusov, D.V.
AU  - Rogovsky, Yu. A.
AU  - Semenov, A.M.
AU  - Senchenko, A.I.
AU  - Shatilov, D.N.
AU  - Shatunov, P.Yu.
AU  - Shatunov, Y.M.
AU  - Shubina, O.S.
AU  - Timoshenko, M.V.
AU  - Zemlyansky, I.M.
AU  - Zharinov, Yu.M.
ED  - Li, Ying-ying
ED  - Li, Lu
ED  - Schaa, Volker RW
TI  - Round Colliding Beams at Vepp-2000 with Extreme Tuneshifts
J2  - Proc. of eeFACT2018, Hong Kong, China, 24-27 September 2018
CY  - Hong Kong, China
T2  - ICFA ABDW on High Luminosity Circular e$^+$e$^-$ Colliders
T3  - 62
LA  - english
AB  - VEPP-2000 is the only electron-positron collider operating with round beams that allow to enhance beam-beam limit. VEPP-2000 with SND and CMD-3 detectors carried out two successful data-taking runs after new BINP injection complex was commissioned. The 2016/2017 run was dedicated to high energy range (640-1000 MeV per beam) while the 2017/2018 run was focused at 275-600 MeV/beam energies. With sufficient positron production rate and upgraded full-energy booster the collider luminosity was limited by beam-beam effects, namely flip-flop effect. Thorough machine tuning together with new ideas introduced to suppress flip-flop allowed to achieve high beam-beam tuneshift and bunch-by-bunch luminosity values at specific beam energies. The achieved luminosity increased 2-5 times in a whole energy range in comparison to phase-1 operation (2010-2013).
PB  - JACoW Publishing
CP  - Geneva, Switzerland
SP  - 34
EP  - 40
KW  - luminosity
KW  - collider
KW  - positron
KW  - electron
KW  - emittance
DA  - 2019/04
PY  - 2019
SN  - 978-3-95450-216-5
DO  - DOI: 10.18429/JACoW-eeFACT2018-MOYBA01
UR  - http://jacow.org/eefact2018/papers/moyba01.pdf
ER  -