Focusing crystal device for deflecting a divergent 50-GeV proton beam

International audienceThis paper is devoted to an experimental study of focusing and defocusing positively charged particle beams with the help of specially bent single crystals. Four crystals have been fabricated for this purpose. The studies have been performed at the CERN SPS in 400 GeV/c proton and 180 GeV/c pion beams. The results of measurements of beam envelopes are presented. The rms size of the horizontal profile at the focus was 5–8 times smaller than at the exit of the crystals. The measured focal lengths were 4–21 m. The results of measurements are in good agreement with calculations. Possible applications of focusing crystals in present and future high energy accelerators are discussed

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“…This possibility of handling the charged particle beam was considered theoretically and experimentally in Refs. [14,23,24].…”

Section: Discussionmentioning

confidence: 99%

Comprehensive study of beam focusing by crystal devices

Scandale¹,

Arduini²,

Cerutti³

et al. 2018

Phys. Rev. Accel. Beams

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“…The paper [4] contains the theoretical description of the inverse focusing and Ref. [8] is devoted to the experimental observation of this focusing mode.…”

Section: Focusing Crystals As a Tool For Obtaining Parallel Pion Beammentioning

confidence: 99%

High energy neutrino beam generation based on crystal optics

Chesnokov,

Maisheev

2018

Preprint

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The problem of creation of high energy neutrino beams on the basis of modern and future circular proton accelerators with the help of traditional technology seems to be expensive and difficult. Because of this, we propose the solution of this problem based on the usage of focusing bend single crystals. In the paper we demonstrate the possibilities of acceptance and focusing of a pion beam with the help of a crystal optical lens system. As an illustration of these features the calculated neutrino fluxes for energy of circulating proton beam equal to 6.5 TeV are presented.

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New beam optics on the basis of bent single crystals

Maisheev

Chesnokov

2017

Nuclear Instruments and Methods in Physics Research Section B:

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Focusing crystal device for deflecting a divergent 50-GeV proton beam

Cited by 18 publications

References 9 publications

Comprehensive study of beam focusing by crystal devices

Comprehensive study of beam focusing by crystal devices

High energy neutrino beam generation based on crystal optics

New beam optics on the basis of bent single crystals

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