电子冷却对水平极化储存环梁极化寿命的影响

论文标题

电子冷却对水平极化储存环梁极化寿命的影响

Influence of electron cooling on the polarization lifetime of a horizontally polarized storage ring beam

论文作者

Karanth, S., Stephenson, E., Wronska, A., Ciullo, G., Dymov, S., Gebel, R., Guidoboni, G., Hejny, V., Kacharava, A., Keshelashvili, I., Kulessa, P., Lenisa, P., Lehrach, A., Lorentz, B., Mchedlishvili, D., Nass, A., Nikolaev, N., Pesce, A., Pretz, J., Prasuhn, D., Rathmann, F., Saleev, A., Senichev, Y., Shmakova, V., Stroeher, H., Talman, R., Valdau, Yu., Weidemann, C., Wuestner, P.

论文摘要

A previous publication has shown that the in-plane polarization (IPP) component of a polarized 0.97-GeV/c deuteron beam in the COSY storage ring may acquire a polarization half-life in excess of 1000 s through a combination of beam bunching, electron cooling (prior to any spin manipulation), sextupole field adjustment, and a limitation of the beam intensity.本文记录了进一步的测试，指出，如果整个光束店里的冷却活跃，则在IPP寿命中增加了收益。

A previous publication has shown that the in-plane polarization (IPP) component of a polarized 0.97-GeV/c deuteron beam in the COSY storage ring may acquire a polarization half-life in excess of 1000 s through a combination of beam bunching, electron cooling (prior to any spin manipulation), sextupole field adjustment, and a limitation of the beam intensity. This paper documents further tests pointing to additional gains in the IPP lifetime if cooling is active throughout the beam store.

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