Paper | Title | Page |
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TUPAB002 | Round Colliding Beams: Successful Operation Experience | 1326 |
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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. | ||
DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-TUPAB002 | |
About • | paper received ※ 20 May 2021 paper accepted ※ 07 June 2021 issue date ※ 31 August 2021 | |
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