Increasing the AGS polarization

Increasing the AGS polarization

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The Ann Arbor Workshop on Increasing the AGS Polarization discusses the surprising spin effects discovered at lower energy accelerators, making the new multi-hundred-GeV RHIC polarized proton collider especially important. The four Siberian snakes in the two RHIC rings successfully preserved most polarization during acceleration and storage; RHIC's main problem was the low polarization injected from the AGS. The Workshop determined a quick and practical plan for increasing the AGS polarization by using three techniques to overcome the three types of depolarizing resonances.Other solutions using one or two spin rotators may be possible without requiring a realignment of snakes; this will be explored in the future. Another ... I. Alekseev et al., Design Manual Polarized Proton Collider at RHIC, ( 1 998). ... George Arfken, Mathematical Methods for Physicists, Academic Press, New York (1970). 5.

Title:Increasing the AGS polarization
Author:A. D. Krisch, Thomas Roser, University of Michigan, Brookhaven National Laboratory
Publisher:Amer Inst of Physics - 2003


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