Hadron structure functions at small x from string theory

Deep inelastic scattering of leptons from hadrons at small values of the Bjorken parameter x is studied from superstring theory. In particular, we focus on single-flavored scalar and vector mesons in the large N limit. This is studied in terms of different holographic dual models with flavor Dp-bran...

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Detalles Bibliográficos
Autores principales: Koile, Leandro Ezequiel, Kovensky, Nicolás, Schvellinger, Martín Alejandro
Formato: Articulo
Lenguaje:Inglés
Publicado: 2015
Materias:
Ciencias Exactas
Física
Gauge-gravity correspondence
AdS-CFT Correspondence
D-branes
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/123825
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-123825
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Exactas
Física
Gauge-gravity correspondence
AdS-CFT Correspondence
D-branes
spellingShingle Ciencias Exactas
Física
Gauge-gravity correspondence
AdS-CFT Correspondence
D-branes
Koile, Leandro Ezequiel
Kovensky, Nicolás
Schvellinger, Martín Alejandro
Hadron structure functions at small x from string theory
topic_facet Ciencias Exactas
Física
Gauge-gravity correspondence
AdS-CFT Correspondence
D-branes
description Deep inelastic scattering of leptons from hadrons at small values of the Bjorken parameter x is studied from superstring theory. In particular, we focus on single-flavored scalar and vector mesons in the large N limit. This is studied in terms of different holographic dual models with flavor Dp-branes in type IIA and type IIB superstring theories, in the strong coupling limit of the corresponding dual gauge theories. We derive the hadronic tensor and the structure functions for scalar and polarized vector mesons. In particular, for polarized vector mesons we obtain the eight structure functions at small values of the Bjorken parameter. The main result is that we obtain new relations of the Callan-Gross type for several structure functions. These relations have similarities for all different Dp-brane models that we consider. This would suggest their universal character, and therefore, it is possible that they hold for strongly coupled QCD in the large N limit.
format Articulo
Articulo
author Koile, Leandro Ezequiel
Kovensky, Nicolás
Schvellinger, Martín Alejandro
author_facet Koile, Leandro Ezequiel
Kovensky, Nicolás
Schvellinger, Martín Alejandro
author_sort Koile, Leandro Ezequiel
title Hadron structure functions at small x from string theory
title_short Hadron structure functions at small x from string theory
title_full Hadron structure functions at small x from string theory
title_fullStr Hadron structure functions at small x from string theory
title_full_unstemmed Hadron structure functions at small x from string theory
title_sort hadron structure functions at small x from string theory
publishDate 2015
url http://sedici.unlp.edu.ar/handle/10915/123825
work_keys_str_mv AT koileleandroezequiel hadronstructurefunctionsatsmallxfromstringtheory
AT kovenskynicolas hadronstructurefunctionsatsmallxfromstringtheory
AT schvellingermartinalejandro hadronstructurefunctionsatsmallxfromstringtheory
bdutipo_str Repositorios
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