Measurement and Optimization of Local Coupling from RHIC BPM Data


Global coupling in RHIC is routinely corrected by using three skew quadrupole families to minimize the tune split (ΔQ<inf>min</inf>). In this paper we propose to re-optimize transverse coupling by minimizing the resonance driving terms (RDT’s) and the coupling matrix (|C̄|/γ<sup>2</sup>) in two steps: 1. Identify locations with coupling sources by… (More)

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