Conveners
WECDB WGA contributed oral: WECDB
- Adrian Oeftiger (John Adams Institute)
The ISIS rapid-cycling synchrotron accelerates a high-intensity
beam of protons from 70 MeV to 800 MeV at 50 Hz,
facilitated by ferrite-loaded RF cavities at harmonics ℎ = 2
and ℎ = 4. The extracted proton beam is delivered along
separate transfer lines to two tungsten spallation neutron targets,
TS1 and TS2, at rates of 40 Hz and 10 Hz respectively.
An intermediate carbon target on the...
Beam coupling impedance is a fundamental performance limitation in high-intensity hadron rings, affecting both beam stability and the thermal load on accelerator components. As beam intensity increases, impedance-driven collective effects—such as transverse mode coupling and longitudinal coupled-bunch instabilities—become more pronounced, while beam-induced power losses can cause local...
High-intensity multi-bunch beams in the CERN Super Proton Synchrotron (SPS) experience significant coherent and incoherent tune shifts due to the transverse beam coupling impedance. Studies with LHC-type beams have been performed to optimize the working point along the extended SPS injection plateau to enhance beam performance and brightness. The initial tune correction approach focused on...
