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TY - CONF AU - Kelliher, D.J. AU - Lagrange, J.-B. AU - Letchford, A.P. AU - Machida, S. AU - Pasternak, J. AU - Prior, C.R. AU - Rogers, C.T. AU - Yamakawa, E. ED - Liu, Lin ED - Byrd, John M. ED - Neuenschwander, Regis T. ED - Picoreti, Renan ED - Schaa, Volker R. W. TI - Longitudinal Dynamics in the Prototype vFFA Ring for ISIS2 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 vertical Fixed Field Accelerator (vFFA) is a candidate for a future high-power (MW-class) spallation source at ISIS. In order to assess the feasibility of this novel ring, a prototype is currently being designed. Here we consider the longitudinal dynamics in the prototype ring. A key requirement of future neutron spallation sources is flexibility of operation to best serve multiple target stations. Beam stacking allows a rapid cycling, high intensity machine to operate at lower repetition rates but with higher peak output. Here we show how beam stacking can be realised in the vFFA while minimising the peak RF voltage required. PB - JACoW Publishing CP - Geneva, Switzerland SP - 1834 EP - 1837 KW - acceleration KW - extraction KW - bunching KW - injection KW - neutron DA - 2021/08 PY - 2021 SN - 2673-5490 SN - 978-3-95450-214-1 DO - doi:10.18429/JACoW-IPAC2021-TUPAB186 UR - https://jacow.org/ipac2021/papers/tupab186.pdf ER -