Soft Gluon Radiation off Heavy Quarks beyond Eikonal Approximation

Journal Article

2016

Permanent link to this Item
http://hdl.handle.net/11427/35113
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BhattacharyyaTrambak_Soft_Gluon_Radi_2016.pdf (1.51 MB)
Authors
Bhattacharyya, Trambak
Mazumder, Surasree
Abir, Raktim
Journal Title

Advances in High Energy Physics

Link to Journal
https://dx.doi.org/10.1155/2016/1298986
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UCT-CERN Research Centre
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Faculty of Science
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Abstract
We calculate the soft gluon radiation spectrum off heavy quarks (HQs) interacting with light quarks (LQs) beyond small angle scattering (eikonality) approximation and thus generalize the dead-cone formula of heavy quarks extensively used in the literatures of Quark-Gluon Plasma (QGP) phenomenology to the large scattering angle regime which may be important in the energy loss of energetic heavy quarks in the deconfined Quark-Gluon Plasma medium. In the proper limits, we reproduce all the relevant existing formulae for the gluon radiation distribution off energetic quarks, heavy or light, used in the QGP phenomenology.
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Reference:

Bhattacharyya, T., Mazumder, S. & Abir, R. 2016. Soft Gluon Radiation off Heavy Quarks beyond Eikonal Approximation. Advances in High Energy Physics. 2016(4):174 - 177. http://hdl.handle.net/11427/35113

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