Abstract

The beam and luminosity lifetimes during the Run-5 polarized proton operation showed large variation from store to store. We report observed lifetimes and lifetime distributions. We calculate beam lifetimes and emittance growth due to luminosity, rest gas scattering, intrabeam scattering, and beam-beam elastic scattering for Run-5 parameters, the Enhanced Luminosity parameters, and RHIC II.

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