Progress with FEL-based coherent electron cooling
Cooling intense high-energy hadron beams remains a major challenge for accelerator physics. Synchrotron radiation is too feeble, while efficiency of two other cooling methods falls rapidly either at high bunch intensities (i.e. stochastic cooling of protons) or at high energies (i.e. e-cooling). The possibility of coherent electron cooling, based on high-gain FEL and ERL, was presented at last FEL conference [1]. This scheme promises significant increases in luminosities of modern high-energy hadron and electron-hadron colliders, such as LHC and eRHIC. In this paper we report progress made in the past year on the development of this scheme of coherent electron cooling (CeC), results of analytical and numerical evaluation of the concept as well our prediction for LHC and RHIC. We also present layout for proof-of-principle experiment at RHIC using our R&D ERL which is under construction.
- Research Organization:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Organization:
- Doe - Office Of Science
- DOE Contract Number:
- DE-AC02-98CH10886
- OSTI ID:
- 939941
- Report Number(s):
- BNL-81547-2008-CP; R&D Project: 18031; KB0202011; TRN: US0806909
- Resource Relation:
- Conference: 30th Free Electron Laser Conference (FEL 2008); Gyeongju, Korea; 20080824 through 20080829
- Country of Publication:
- United States
- Language:
- English
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FREE ELECTRON LASERS AND HIGH-ENERGY ELECTRON COOLING.
FEL-based Coherent Electron Cooling for High-energy Hadron Colliders