Physics
Scientific paper
Jan 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005nimpb.227...16a&link_type=abstract
Nuclear Instruments and Methods in Physics Research Section B, Volume 227, Issue 1-2, p. 16-21.
Physics
Channeling, Bent Crystal, Particle Deflection
Scientific paper
A modified method for registration of particle deflection by a bent crystal was proposed and studied at the external proton beam of the Nuclotron. A telescope of scintillation counters was placed at an angle that was smaller than the crystal bending angle. The count dependence of the telescope on the crystal orientation was formed by the particles, which passed in channeling states only some part of the crystal length. Two maximums were observed in the dependencies due to particles captured into the channeling states at the crystal surface and in the crystal volume. This allows to receive, using the telescope and high-intensity beams, a useful data about the particle channeling and the crystal what usually demands more complicated registration by means of coordinate detectors. The proposed method can be useful for the investigation of particle deflection by the crystals, in which the particle channeling length is small because of some lattice defects.
Afanasiev S. V.
Boiko V. V.
Kovalenko A. D.
Kuznetsov Nikolay V.
Romanov S. V.
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