Round colliding beams at VEPP-2000 with extreme tuneshifts

D. Shwartz, V. Anashin, O. Belikov, D. Berkaev, K. Gorchakov, A. Kasaev, A. Kirpotin, I. Koop, A. Krasnov, G. Kurkin, A. Lysenko, S. Motygin, E. Perevedentsev, V. Prosvetov, D. Rabusov, Yu Rogovsky, A. Semenov, A. Senchenko, D. Shatilov, P. ShatunovYu Shatunov, O. Shubina, M. Timoshenko, I. Zemlyansky, Yu Zharinov

Результат исследования: Публикации в книгах, отчётах, сборниках, трудах конференцийстатья в сборнике материалов конференциинаучнаярецензирование

Аннотация

VEPP-2000 is the only electron-positron collider operating with round beams that results in enhancement of 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).

Язык оригиналаанглийский
Название основной публикацииeeFACT 2018 - Proceedings of the 62nd ICFA Advanced Beam Dynamics Workshop on High Luminosity Circular e+e- Colliders
ИздательJoint Accelerator Conferences Website (JACoW)
Страницы34-40
Число страниц7
ISBN (электронное издание)9783954502165
DOI
СостояниеОпубликовано - 1 фев 2019
Событие62nd ICFA Advanced Beam Dynamics Workshop on High Luminosity Circular e+e� Colliders, eeFACT 2018 - Hong Kong, Китай
Продолжительность: 24 сен 201827 сен 2018

Серия публикаций

НазваниеeeFACT 2018 - Proceedings of the 62nd ICFA Advanced Beam Dynamics Workshop on High Luminosity Circular e+e- Colliders

Конференция

Конференция62nd ICFA Advanced Beam Dynamics Workshop on High Luminosity Circular e+e� Colliders, eeFACT 2018
СтранаКитай
ГородHong Kong
Период24.09.201827.09.2018

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