Abstract
Theoretical studies of jet stopping in strongly-coupled QCD-like plasmas have used gauge-gravity duality to find that the maximum stopping distance scales like E 1/3 for large jet energies E. In recent work studying jets that are created by finite-size sources in the gauge theory, we found an additional scale: the typical (as opposed to maximum) jet stopping distance scales like (EL)1/4, where L is the size of the space-time region where the jet is created. In this paper, we show that the results of our previous, somewhat involved computation in the gravity dual, and the (EL)1/4 scale in particular, can be very easily reproduced and understood in terms of the distance that high-energy particles travel in AdS5-Schwarzschild space before falling into the black brane. We also investigate how stopping distances depend on the conformal dimension of the source operator used to create the jet.
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ArXiv ePrint:1101.2689
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Arnold, P., Vaman, D. Jet quenching in hot strongly coupled gauge theories simplified. J. High Energ. Phys. 2011, 27 (2011). https://doi.org/10.1007/JHEP04(2011)027
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DOI: https://doi.org/10.1007/JHEP04(2011)027