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TY - CONF
AU - He, T.L.
AU - Bai, Z.H.
AU - Feng, G.Y.
AU - Li, W.
AU - Li, W.W.
AU - Liu, G.
AU - Wang, L.
AU - Xu, H.
AU - Zhang, S.C.
ED - Liu, Lin
ED - Byrd, John M.
ED - Neuenschwander, Regis T.
ED - Picoreti, Renan
ED - Schaa, Volker R. W.
TI - Bunch Lengthening of the HALF Storage Ring in the Presence of Passive Harmonic Cavities
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 - A passive 3^{rd} harmonic RF system, being necessary for the Hefei Advanced Light Facility (HALF) storage ring under design, will be employed to lengthen the bunches for suppressing the intrabeam scattering and improving the beam lifetime. However, the transient beam loading due to the fundamental mode may significantly reduce the bunch lengthening. Since the scale of transient effects is proportional to R/Q, the effects of R/Q on bunch lengthening, in uniform fill pattern with the near-optimum condition fulfilled, are analyzed by multibunches multiparticles tracking simulation. It indicates that the passive superconducting harmonic cavity with a lower R/Q is preferred by HALF.
PB - JACoW Publishing
CP - Geneva, Switzerland
SP - 2082
EP - 2085
KW - cavity
KW - storage-ring
KW - simulation
KW - damping
KW - emittance
DA - 2021/08
PY - 2021
SN - 2673-5490
SN - 978-3-95450-214-1
DO - doi:10.18429/JACoW-IPAC2021-TUPAB265
UR - https://jacow.org/ipac2021/papers/tupab265.pdf
ER -