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TY - CONF AU - Shwartz, D.B. AU - Belikov, O.V. AU - Berkaev, D.E. AU - Burenkov, D.B. AU - Denisov, V.S. AU - Kasaev, A.S. AU - Kirpotin, A.N. AU - Kladov, S.A. AU - Koop, I. AU - Krasnov, A.A. AU - Kupurzhanov, A.V. AU - Kurkin, G.Y. AU - Lyalin, M.A. AU - Lysenko, A.P. AU - Motygin, S.V. AU - Perevedentsev, E. AU - Prosvetov, V.P. AU - Rogovsky, Yu.A. AU - Semenov, A.M. AU - Senchenko, A.I. AU - Serdakov, L.E. AU - Shatilov, D.N. AU - Shatunov, P.Yu. AU - Shatunov, Y.M. AU - Timoshenko, M.V. AU - Zemlyansky, I.M. AU - Zharinov, Yu.M. ED - Liu, Lin ED - Byrd, John M. ED - Neuenschwander, Regis T. ED - Picoreti, Renan ED - Schaa, Volker R. W. TI - Round Colliding Beams: Successful Operation Experience J2 - Proc. of IPAC2021, Campinas, SP, Brazil, 24-28 May 2021 CY - Campinas, SP, Brazil T2 - International Particle Accelerator Conference T3 - 12 LA - english AB - VEPP-2000 electron-positron collider operating in the beam energy range of 150-1000 MeV is the only machine originally designed for and successfully exploiting Round Beams Concept. After injection chain upgrade including link to the new BINP injection complex VEPP-2000 proceeded with data taking since 2017 with luminosity limited only by beam-beam effects. At the low energies (300-600 MeV/beam) the novel technique of effective emittance controlled increase by weak coherent beam shaking allowed to suppress the limiting flip-flop effect and resulted in additional luminosity gain factor of 4. The averaged delivered luminosity at the omega-meson production energy (2*391 MeV) achieved L = 2*10³¹cm⁻²s⁻¹/IP. At the top energies above nucleon-antinucleon production threshold the stable operation with luminosity of L = 5*10³¹cm⁻²s⁻¹/IP resulted in high average data taking rate of 2 pb⁻¹/day in 2020. PB - JACoW Publishing CP - Geneva, Switzerland SP - 1326 EP - 1329 KW - luminosity KW - emittance KW - collider KW - solenoid KW - beam-beam-effects DA - 2021/08 PY - 2021 SN - 2673-5490 SN - 978-3-95450-214-1 DO - doi:10.18429/JACoW-IPAC2021-TUPAB002 UR - https://jacow.org/ipac2021/papers/tupab002.pdf ER -