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Double parton scattering: A study of the effective cross section within a Light-Front quark model

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Title: Double parton scattering: A study of the effective cross section within a Light-Front quark model
Authors: Rinaldi, Matteo, Scopetta, Sergio, Traini, Marco Claudio, Vento, Vicente
Contributors: Rinaldi, Matteo, Scopetta, Sergio, Traini, Marco Claudio, Vento, Vicente
Publisher Information: NLD
Publication Year: 2015
Collection: Università degli Studi di Trento: CINECA IRIS
Subject Terms: Parton, Multi parton interaction, Parton correlations
Description: We present a calculation of the effective cross section σeff, an important ingredient in the description of double parton scattering in proton–proton collisions. Our theoretical approach makes use of a Light-Front quark model as a framework to calculate the double parton distribution functions at low-resolution scale. QCD evolution is implemented to reach the experimental scale. The obtained values of σeff in the valence region are consistent with the present experimental scenario, in particular with the sets of data which include the same kinematical range. However the result of the complete calculation shows a dependence of σeff on xi, a feature not easily seen in the available data, probably because of their low accuracy. Measurements of σeff in restricted xi regions are addressed to obtain indications on double parton correlations, a novel and interesting aspect of the three dimensional structure of the nucleon.
Document Type: article in journal/newspaper
File Description: STAMPA
Language: English
Relation: info:eu-repo/semantics/altIdentifier/wos/WOS:000368026000007; volume:752; firstpage:40; lastpage:45; numberofpages:6; journal:PHYSICS LETTERS. SECTION B; https://hdl.handle.net/11572/122277
DOI: 10.1016/j.physletb.2015.11.031
Availability: https://hdl.handle.net/11572/122277
https://doi.org/10.1016/j.physletb.2015.11.031
Rights: info:eu-repo/semantics/openAccess ; license:Creative commons ; license uri:http://creativecommons.org/licenses/by/4.0/
Accession Number: edsbas.D81BAB5B
Database: BASE
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  – Url: https://hdl.handle.net/11572/122277#
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  Data: Double parton scattering: A study of the effective cross section within a Light-Front quark model
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  Data: <searchLink fieldCode="AR" term="%22Rinaldi%2C+Matteo%22">Rinaldi, Matteo</searchLink><br /><searchLink fieldCode="AR" term="%22Scopetta%2C+Sergio%22">Scopetta, Sergio</searchLink><br /><searchLink fieldCode="AR" term="%22Traini%2C+Marco+Claudio%22">Traini, Marco Claudio</searchLink><br /><searchLink fieldCode="AR" term="%22Vento%2C+Vicente%22">Vento, Vicente</searchLink>
– Name: Author
  Label: Contributors
  Group: Au
  Data: Rinaldi, Matteo<br />Scopetta, Sergio<br />Traini, Marco Claudio<br />Vento, Vicente
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  Data: NLD
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  Data: 2015
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  Data: Università degli Studi di Trento: CINECA IRIS
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– Name: Abstract
  Label: Description
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  Data: We present a calculation of the effective cross section σeff, an important ingredient in the description of double parton scattering in proton–proton collisions. Our theoretical approach makes use of a Light-Front quark model as a framework to calculate the double parton distribution functions at low-resolution scale. QCD evolution is implemented to reach the experimental scale. The obtained values of σeff in the valence region are consistent with the present experimental scenario, in particular with the sets of data which include the same kinematical range. However the result of the complete calculation shows a dependence of σeff on xi, a feature not easily seen in the available data, probably because of their low accuracy. Measurements of σeff in restricted xi regions are addressed to obtain indications on double parton correlations, a novel and interesting aspect of the three dimensional structure of the nucleon.
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  Data: info:eu-repo/semantics/altIdentifier/wos/WOS:000368026000007; volume:752; firstpage:40; lastpage:45; numberofpages:6; journal:PHYSICS LETTERS. SECTION B; https://hdl.handle.net/11572/122277
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  Data: 10.1016/j.physletb.2015.11.031
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  Data: https://hdl.handle.net/11572/122277<br />https://doi.org/10.1016/j.physletb.2015.11.031
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