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Phys. Rev. ST Accel. Beams 7, 071001 (2004) [6 pages]

Overcoming an intrinsic depolarizing resonance with a partial Siberian snake

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H. Huang1, L. Ahrens1, M. Bai1, K. A. Brown1, J. W. Glenn1, A. U. Luccio1, W. W. MacKay1, C. Montag1, V. Ptitsyn1, T. Roser1, N. Tsoupas1, K. Zeno1, V. Ranjbar2,*, H. Spinka3, and D. Underwood3
1C-A Department, Brookhaven National Laboratory, Upton, New York 11973, USA
2Physics Department, Indiana University, Bloomington, Indiana 47405, USA
3Argonne National Laboratory, Argonne, Illinois 60439, USA

Received 8 August 2002; revised 19 May 2004; published 27 July 2004

An 11.4% partial Siberian snake was used to successfully accelerate polarized protons through a strong intrinsic depolarizing spin resonance in the Alternating Gradient Synchrotron (AGS). No noticeable depolarization was observed. This opens up the possibility of using a 20% to 30% partial Siberian snake in the AGS or other medium energy proton synchrotrons to overcome all weak and strong depolarizing spin resonances.

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© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevSTAB.7.071001
DOI:
10.1103/PhysRevSTAB.7.071001
PACS:
41.75.Ak, 07.77.Ka, 29.27.Bd, 29.27.Hj

*Present address: Fermi Lab, P.O. Box 500, Batavia, IL 60510, USA.

 
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