Phys. Rev. Lett. 98, 154801 (2007) [4 pages]High-Efficiency Volume Reflection of an Ultrarelativistic Proton Beam with a Bent Silicon CrystalReceived 21 December 2006; published 9 April 2007 The volume reflection phenomenon was detected while investigating 400 GeV proton interactions with bent silicon crystals in the external beam H8 of the CERN Super Proton Synchrotron. Such a process was observed for a wide interval of crystal orientations relative to the beam axis, and its efficiency exceeds 95%, thereby surpassing any previously observed value. These observations suggest new perspectives for the manipulation of high-energy beams, e.g., for collimation and extraction in new-generation hadron colliders, such as the CERN Large Hadron Collider. © 2007 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.98.154801
DOI:
10.1103/PhysRevLett.98.154801
PACS:
29.27.−a, 42.79.Ag, 61.85.+p
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