Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki
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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2008, Volume 87, Issue 11, Pages 703–708 (Mi jetpl127)  
This article is cited in 10 scientific papers (total in 10 papers)

FIELDS, PARTICLES, AND NUCLEI

Failure of the collinear expansion in calculation of the induced gluon emission

P. Aurenchea, B. G. Zakharovb, H. Zaraketc

a Laboratoire d'Annecy-le-Vieux de Physique Théorique LAPTH, F-74941 Annecy-le-Vieux Cedex, France
b Landau Institute for Theoretical Physics, Russian Academy of Sciences, 117940 GSP-1, Moscow, 117334, Russia
c Faculty of Sciences (I), Lebanese University, Hadeth-Beirut, Lebanon
Full-text PDF (918 kB) Citations (10)
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Abstract: We demonstrate that the collinear expansion fails in the case of gluon emission from a fast quark produced in $eA$ DIS. In this approximation the $N=1$ rescattering contribution to the gluon spectrum vanishes. We show that the higher-twist approach by Guo, Wang and Zhang [4, 5] based on the collinear expansion is wrong. The nonzero gluon spectrum obtained in [4, 5] those works is a consequence of an unjustified neglect of some important terms in the collinear expansion.
Received: 28.04.2008
English version:
Journal of Experimental and Theoretical Physics Letters, 2008, Volume 87, Issue 11, Pages 605–610
DOI: https://doi.org/10.1134/S0021364008110039
Bibliographic databases:
Document Type: Article
PACS: 12.38.Bx, 12.39.St, 13.87.Ce
Language: English
Citation: P. Aurenche, B. G. Zakharov, H. Zaraket, “Failure of the collinear expansion in calculation of the induced gluon emission”, Pis'ma v Zh. Èksper. Teoret. Fiz., 87:11 (2008), 703–708; JETP Letters, 87:11 (2008), 605–610
Citation in format AMSBIB
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\vol 87
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\pages 605--610
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    • This publication is cited in the following 10 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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