Abstract
We study nuclear modification of the photon-tagged jets in AA collisions within the jet quenching scheme based on the light-cone path integral approach to the induced gluon emission. The calculations are performed for running coupling. Collisional energy loss is treated as a perturbation to the radiative mechanism. We obtain a reasonable agreement with the recent data from the STAR Collaboration on the mid-rapidity nuclear modification factor I AA for Au+Au collisions at \(\sqrt s \)= 200 GeV for parametrization of running α s consistent with that necessary for description of the data on suppression of the high-p T spectra.
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Original Russian Text © B.G. Zakharov, 2017, published in Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2017, Vol. 152, No. 6, pp. 1257–1270.
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Zakharov, B.G. Medium-Modification of Photon-Tagged Jets in AA Collisions. J. Exp. Theor. Phys. 125, 1071–1082 (2017). https://doi.org/10.1134/S1063776117100107
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DOI: https://doi.org/10.1134/S1063776117100107