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RIS citation export for TUPMP042: The Beam Cleaning Analysis for the TPS Vacuum System

AU  - Yang, Y.C.
AU  - Chan, C.K.
AU  - Chang, C.-C.
AU  - Chen, A.Y.
AU  - Chuang, J.-Y.
AU  - Huang, C.H.
ED  - Boland, Mark
ED  - Tanaka, Hitoshi
ED  - Button, David
ED  - Dowd, Rohan
ED  - Schaa, Volker RW
ED  - Tan, Eugene
TI  - The Beam Cleaning Analysis for the TPS Vacuum System
J2  - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019
CY  - Melbourne, Australia
T2  - International Particle Accelerator Conference
T3  - 10
LA  - english
AB  - Commissioning for the TPS, a low-emittance 3-GeV synchrotron ring, started in December 2014 and is now currently operating in top-up mode at 400mA for users. Until the last machine shut down in December 2018, a total beam dose of 4919 Ah was accumulated and the beam cleaning effect decreased the dynamic pressure to 1.5×10⁻¹¹ Pa/mA. During past years operation, several vacuum chambers were replaced to improve vacuum performance and avoid exposure to synchrotron radiation from insertion devices. In this paper, the beam cleaning evolution of new vacuum sections will be discussed and compared with experience in the rest of the storage ring. A particular cleaning evolution could be predicted and can be referenced for machine shutdown planning in the future.
PB  - JACoW Publishing
CP  - Geneva, Switzerland
SP  - 1344
EP  - 1346
KW  - vacuum
KW  - radiation
KW  - operation
DA  - 2019/06
PY  - 2019
SN  - 978-3-95450-208-0
DO  - DOI: 10.18429/JACoW-IPAC2019-TUPMP042
UR  - http://jacow.org/ipac2019/papers/tupmp042.pdf
ER  -