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Possibility of high efficient beam extraction from the CERN SPS with a bent crystal. Simulation results

Scandale, W. (INFN, Rome) ; Kovalenko, A.D. (Dubna, JINR) ; Taratin, A.M. (Dubna, JINR)

Published in: Nucl.Instrum.Meth.
Year: 2017
Vol.: A848
Page No: 166-169
Pages: 4
Year: 2017-03-11 published

Abstract: The extraction of the SPS beam of 270 GeV/c protons assisted by a bent crystal was studied by simulation. Two methods for delivering the SPS beam onto a crystal were considered: transverse diffusion and orbit bump of the beam. It was shown that the main condition for high efficient beam extraction with a bent crystal, which is a small divergence of the incident beam, can be fulfilled. Extraction efficiency up to 99% can be reached for both methods of the beam delivering. The irradiation of the electrostatic septum wires during the beam extraction can be considerably reduced.

Keyword(s): numbers: 29.27.-a ; 61.85.+p ; Accelerator ; Beam extraction ; Crystal ; Channeling

Total numbers of views: 83
Numbers of unique views: 42
DOI: 10.1016/j.nima.2016.12.023
 Record created 2017-03-02, last modified 2017-03-02

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