Transverse beam coupling impedance of the CERN Proton Synchrotron

被引：7
|
作者：
Persichelli, S. [1 ]
Migliorati, M. [1 ]
Biancacci, N. [2 ]
Gilardoni, S. [2 ]
Metral, E. [2 ]
Salvant, B. [2 ]
机构：
[1] Univ Roma La Sapienza, Via A Scarpa 14, I-00161 Rome, Italy
[2] CERN, CH-1211 Geneva 23, Switzerland
来源：
PHYSICAL REVIEW ACCELERATORS AND BEAMS | 2016年 / 19卷 / 04期
关键词：
D O I：
10.1103/PhysRevAccelBeams.19.041001
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
Beam coupling impedance is a fundamental parameter to characterize the electromagnetic interaction of a particle beam with the surrounding environment. Synchrotron machine performances are critically affected by instabilities and collective effects triggered by beam coupling impedance. In particular, transverse beam coupling impedance is expected to impact beam dynamics of the CERN Proton Synchrotron (PS), since a significant increase in beam intensity is foreseen within the framework of the LHC Injectors Upgrade (LIU) project. In this paper we describe the study of the transverse beam coupling impedance of the PS, taking into account the main sources of geometrical impedance and the contribution of indirect space charge at different energies. The total machine impedance budget, determined from beam-based dedicated machine measurement sessions, is also discussed and compared with the theoretical model.
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页数：12
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