On the possibility of extracting part of a beam of negatively charged particles from an accelerator using a bent crystal

The efficiency of deflection of high-energy negatively charged particles by a bent crystal using planar channeling and stochastic deflection mechanism is compared. The comparison is carried out on the example of antiprotons with kinetic energy from 1 to 14 GeV, which will be achievable on accelerato...

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Bibliographic Details
Published in:The European physical journal. C, Particles and fields Particles and fields, 2023-01, Vol.83 (1), p.34-8, Article 34
Main Authors: Kyryllin, I. V., Shul’ga, N. F.
Format: Article
Language:English
Subjects:
Antiparticles
Antiprotons
Astronomy
Astrophysics and Cosmology
Atoms & subatomic particles
Channeling
Charged particles
Comparative analysis
Critical angle
Deflection
Efficiency
Elementary Particles
Energy
Force and energy
Hadrons
Heavy Ions
Kinetic energy
Measurement Science and Instrumentation
Nuclear Energy
Nuclear Physics
Particle accelerators
Particle beams
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Regular Article - Experimental Physics
Silicon
Simulation
String Theory
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Summary:The efficiency of deflection of high-energy negatively charged particles by a bent crystal using planar channeling and stochastic deflection mechanism is compared. The comparison is carried out on the example of antiprotons with kinetic energy from 1 to 14 GeV, which will be achievable on accelerators of the Facility for Antiproton and Ion Research. The comparison showed that both deflection mechanisms make it possible to deflect a part of the antiproton beam in the specified energy range by angles of the order of several hundred microradians, which significantly exceed the critical angle of planar channeling. At the same time, the stochastic deflection mechanism makes it possible to deflect particles at much larger angles than planar channeling.
ISSN:1434-6052
1434-6044
1434-6052
DOI:10.1140/epjc/s10052-023-11196-5