Phys. Rev. Lett. 102, 114801 (2009) [4 pages]Coherent Electron CoolingReceived 24 September 2008; published 16 March 2009 Cooling intense high-energy hadron beams poses a major challenge for modern accelerator physics. The synchrotron radiation emitted from such beams is feeble; even in the Large Hadron Collider (LHC) operating with 7 TeV protons, the longitudinal damping time is about 13 hours. None of the traditional cooling methods seem able to cool LHC-class protons beams. In this Letter, we present a novel method of coherent electron cooling based on a high-gain free-electron laser (FEL). This technique could be critical for reaching high luminosities in hadron and electron-hadron colliders. © 2009 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.102.114801
DOI:
10.1103/PhysRevLett.102.114801
PACS:
29.27.−a, 41.60.Cr, 41.75.Ak
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