Beams Document 378-v1

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The Recycler Ring Vacuum: A Comprehensive Report

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Submitted by:
Ruth A. Becker
Updated by:
Krishnaswamy Gounder
Document Created:
30 Apr 2002, 00:00
Contents Revised:
20 Jun 2003, 11:36
Metadata Revised:
20 Jun 2003, 11:36
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30 Apr 2002, 00:00
In this report, we briefly describe the Recycler Ring vacuum system,
and compute the pressure profile for residual gases. Using the pressure
profiles, we study the Recycler beam life time due to
beam-gas interactions such as single coloumb
scattering, inelastic scattering, multiple coloumb scattering, and
nuclear inelastic scattering etc. We also estimate the beam emittance growth
due to beam-gas interactions. Comparison of simulated and measured quantities
is also performed. In the end, we propose measures for improving the
Recycler vacuum.
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