Siberian snake experiments at the IUCF Cooler Ring

V A Anferov ,T Rinckel,T Kageya,B Von Przewoski,F Sperisen,B B Blinov ,P Schwandt ,S V Koutin ,D A Crandell ,S S Youssof ,Dennis Sivers ,K V Sourkont ,Ya S Derbenev ,L G Ratner ,C M Chu ,A D Krisch ,P A Semenov ,W Lorenzon ,V K Wong ,S.y Lee ,R A Phelps ,V Grishin ,Hikaru Sato

doi:10.1109/pac.1999.795713

Siberian snake experiments at the IUCF Cooler Ring

V A Anferov , T Rinckel + Show 21 more

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https://doi.org/10.1109/pac.1999.795713

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Publication Date: Jan 1, 1999

Citations: 1

Affiliation: Indiana University Bloomington, University of Michigan–Ann Arbor, Institute for High Energy Physics

#IUCF Cooler Ring #RF Solenoid + Show 8 more

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Abstract

Recent polarized proton beam experiments in the IUCF Cooler Ring found an evidence for a second-order snake depolarizing resonance, when the vertical betatron tune was inadvertently set near a quarter-integer. We have also studied the possibility of spin-flipping the beam polarization in the presence of a full Siberian snake using an RF solenoid. By varying the rf solenoid's ramp time and frequency range, we reached a spin-flip efficiency of about 97%.

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