The design and manufacturing details of a new crystal deflector for proton beams are reported. The technique allows one to manufacture a very short deflector along the beam direction (2 mm). Thanks to that, multiple encounters of circulating particles with the crystal are possible with a reduced probability of multiple scattering and nuclear interactions per encounter. Thus, drastic increase in efficiency for particle extraction out of the accelerator was attained (85%) on a 70 GeV proton beam. We show the characteristics of the crystal deflector and the technology behind it.

Crystal deflector for highly efficient channeling extraction of a proton beam from accelerators

GUIDI, Vincenzo;MALAGU', Cesare;MARTINELLI, Giuliano;STEFANCICH, Marco;VINCENZI, Donato
Ultimo
2002

Abstract

The design and manufacturing details of a new crystal deflector for proton beams are reported. The technique allows one to manufacture a very short deflector along the beam direction (2 mm). Thanks to that, multiple encounters of circulating particles with the crystal are possible with a reduced probability of multiple scattering and nuclear interactions per encounter. Thus, drastic increase in efficiency for particle extraction out of the accelerator was attained (85%) on a 70 GeV proton beam. We show the characteristics of the crystal deflector and the technology behind it.
2002
Biryukov, Vm; Chesnokov, Ya; Guidi, Vincenzo; Kotov, Vi; Malagu', Cesare; Martinelli, Giuliano; Scandale, W; Stefancich, Marco; Vincenzi, Donato
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/1204951
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