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Registration Number

0217U007307, 0117U001680 , R & D reports

Title

Deflection of ultrarelativistic negatively-charged particles by bent crystals

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Head

Kyryllin Igor Volodymyrovych, Кандидат фізико-математичних наук

Registration Date

28-12-2017

Organization

National Science Center "Kharkiv Institute of Physics and Technology

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The study of the process of the deflaction of ultrarelativistic negatively charged particles with the help of bent crystals has been carried out. The existence of a maximum in dependence of the deflection angle on which the given fraction of beam particles can be deflected by a stochastic deflection, on the radius of curvature of the crystal is shown. The optimal parameters for using bent crystals with axial orientation for controlling the direction of motion of the negatively charged particles in high-energy accelerators are determined. It is shown that when the energy of charged particles is increased, the maximum deflection angle achieved with the help of a stochastic deflection mechanism decreases as E^-1/4, and the optimal radius of curvature of the crystal corresponding to this maximum deflection angle increases as E^5/4. Optimal conditions for the deflection of ultrarelativistic negatively charged particles by means of bent crystals that were found during the study can be used, in particular, in solving the problem of removing beams of negatively charged particles from cyclic accelerators and the collimation of beams of negatively charged particles.

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Кириллін Ігор Володимирович

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2020-04-02