Deep inelastic structure functions from supergravity at small x

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dc.creatorBayona, C. A. Ballon
dc.creatorBoschi-Filho, Henrique
dc.creatorBraga, Nelson R. F.
dc.date2007-12-20
dc.date2008-03-19
dc.date.accessioned2026-07-07T11:54:47Z
dc.date.available2026-07-07T11:54:47Z
dc.descriptionDeep inelastic structure functions can be calculated from supergravity when the Bjorken parameter $x$ satisfies $ x > 1/\sqrt{gN} $. We consider a gauge theory with very large 't Hooft coupling $gN$ in order to investigate the region $x << 1$. In this case the center of mass energy is large enough to increase the number of hadronic constituents of the final state. We calculate the structure functions in terms of the number of final hadronic constituents. At small $x$ we find a scaling law similar to geometric scaling but with $γ_s = 0.5 $ and $ λ= 1 $.
dc.descriptionIn V1 we assumed the transversality of the 4-d hadronic tensor but considered a non conserved 5-d current that spoils this property. In this V2 we define a modified conserved 5-d current that solves this problem and preserves our previous results for the structure functions. We also clarify the meaning of our final hadronic state. 14 pgs., 1 latex fig
dc.identifierhttps://arxiv.org/abs/0712.3530
dc.identifierhttp://arxiv.org/abs/0712.3530
dc.identifierJHEP0810:088,2008
dc.identifierdoi:10.1088/1126-6708/2008/10/088
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/205030
dc.subjectHigh Energy Physics - Theory
dc.subjectHigh Energy Physics - Phenomenology
dc.titleDeep inelastic structure functions from supergravity at small x
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