Observation of deflection of a beam of multi-GeV electrons by a thin crystal

Physical Review Letters
U WienandsM Miller

Abstract

We report on an experiment performing channeling and volume reflection of a high-energy electron beam using a quasimosaic, bent silicon (111) crystal at the End Station A Test Beam at SLAC. The experiment uses beams of 3.35 and 6.3 GeV. In the channeling orientation, deflections of the beam of 400 μrad for both energies with about 22% efficiency are observed, while in the volume-reflection orientation, deflection of the beam by 120 μrad at 3.35 GeV and by 80 μrad at 6.3 GeV is observed with 86%-95% efficiency. Quantitative measurements of the channeling efficiency, surface transmission, and dechanneling length are taken. These are the first quantitative measurements of channeling and volume reflection using a primary beam of multi-GeV electrons.

References

Apr 7, 2010·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·E BagliV A Maisheev
Apr 22, 2014·Physical Review Letters·A MazzolariD De Salvador
Jul 12, 2014·Physical Review Letters·Tobias N WistisenHartmut Backe

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Citations

Jul 29, 2017·Physical Review Letters·T N WistisenUNKNOWN SLAC E-212 Collaboration
Jul 17, 2015·Physical Review Letters·E BagliE Vallazza

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