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| TUPAB145 |
Alignment of Electron and Ion Beam Trajectories in Non-Magnetized Electron Cooler |
solenoid, electron, alignment, ion |
1672 |
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- S. Seletskiy, M. Blaskiewicz, A.V. Fedotov, D. Kayran, J. Kewisch, R.J. Michnoff, I. Pinayev
BNL, Upton, Long Island, New York, USA
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The cooling section (CS) of the low energy RHIC electron cooler (LEReC) consists of two 20 m long parts each containing six solenoids with trajectory correctors placed inside the solenoids and the BPMs located downstream of each solenoid. The solenoids are used to minimize the scalloping of the electron beam envelope. To obtain the cooling it is required to keep the overall RMS electron angles in the cooling section below 100 urad. Possible mechanical misalignment, such as shift and inclination of the CS solenoids can cause an unacceptable misalignment of the e-beam trajectory with respect to the ideal trajectory set by ions. Therefore, it is critical to perform a beam based alignment of the CS solenoids. In this paper we suggest a procedure for such an alignment.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-TUPAB145
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