| Paper |
Title |
Page |
| MOPC117 |
Hybrid Snake Spin Resonance in RHIC
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337 |
| |
- V. H. Ranjbar, D. T. Abell
Tech-X, Boulder, Colorado
- M. Bai, A. U. Luccio
BNL, Upton, Long Island, New York
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Simulations reveal a potential polarization loss during low beta squeeze. This depolarization appears to be driven by a spin tune modulation caused by spin precession through the strong low beta quads due to the vertical fields. The modulation of the spin tune introduces an additional snake resonance condition at νs0 ± n νx - νz l = integer which while the same numerology as the well known sextupole resonance, can operate in the absence of sextupole elements.
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| THPC069 |
Impact of Magnet Misalignment in an ERL for Electron Cooling in RHIC
|
3146 |
| |
- V. H. Ranjbar, D. T. Abell, K. Paul
Tech-X, Boulder, Colorado
- I. Ben-Zvi, J. Kewisch
BNL, Upton, Long Island, New York
- R. D. Ryne
LBNL, Berkeley, California
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The MaryLie/IMPACT code was recently upgraded to include magnet errors. We have used the code to assess the sensitivity of final emittance of an ERL injector for the proposed RHIC electron cooler to up-stream magnetic element misalignments. This calculation will help determine the error tolerance for the construction of the ERL.
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