The color dipole picture for prompt photon production in pp and pPb collisions at the CERN-LHC

Detalhes bibliográficos
Autor(a) principal: Santos, Glauber Sampaio dos
Data de Publicação: 2020
Outros Autores: Silveira, Gustavo Gil da, Machado, Magno Valério Trindade
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFRGS
Texto Completo: http://hdl.handle.net/10183/216382
Resumo: A study on the prompt photon production within the QCD color dipole picture with emphasis in pp and pA collisions at the LHC energy regimes is performed. We present predictions for the differential cross section as a function of photon transverse momentum at different rapidity bins considering updated phenomenological color dipole models, which take into account the QCD gluon saturation physics. The results are directly compared to the recent experimental measurements provided by CMS and ATLAS Collaborations, showing a reasonable agreement in all rapidity bins with no free parameters. Special attention is given to the IPSAT model given its good description of the data in all rapidity bins from low- to high-pT ranges. As a result, a free-parameter approach has succeeded in describing the LHC data for prompt photon production, while new predictions for the 13-TeV data is presented in view of new data to confirm such prospect.
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spelling Santos, Glauber Sampaio dosSilveira, Gustavo Gil daMachado, Magno Valério Trindade2020-12-11T04:11:43Z20201434-6044http://hdl.handle.net/10183/216382001118898A study on the prompt photon production within the QCD color dipole picture with emphasis in pp and pA collisions at the LHC energy regimes is performed. We present predictions for the differential cross section as a function of photon transverse momentum at different rapidity bins considering updated phenomenological color dipole models, which take into account the QCD gluon saturation physics. The results are directly compared to the recent experimental measurements provided by CMS and ATLAS Collaborations, showing a reasonable agreement in all rapidity bins with no free parameters. Special attention is given to the IPSAT model given its good description of the data in all rapidity bins from low- to high-pT ranges. As a result, a free-parameter approach has succeeded in describing the LHC data for prompt photon production, while new predictions for the 13-TeV data is presented in view of new data to confirm such prospect.application/pdfengThe European physical journal. C, Particles and fields. Berlin. Vol. 80, no. 9 (Sept. 2020), 812, 13 p.Aceleradores de partículasColisões proton-protonColisao de ions pesadosProdução de fótonsCromodinâmica quânticaThe color dipole picture for prompt photon production in pp and pPb collisions at the CERN-LHCEstrangeiroinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFRGSinstname:Universidade Federal do Rio Grande do Sul (UFRGS)instacron:UFRGSTEXT001118898.pdf.txt001118898.pdf.txtExtracted Texttext/plain55494http://www.lume.ufrgs.br/bitstream/10183/216382/2/001118898.pdf.txtbf697e0f3b9bc81471444de20cd0add4MD52ORIGINAL001118898.pdfTexto completo (inglês)application/pdf550275http://www.lume.ufrgs.br/bitstream/10183/216382/1/001118898.pdf72d0a2594f89610f288c9082067e020fMD5110183/2163822023-07-22 03:40:44.573298oai:www.lume.ufrgs.br:10183/216382Repositório de PublicaçõesPUBhttps://lume.ufrgs.br/oai/requestopendoar:2023-07-22T06:40:44Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false
dc.title.pt_BR.fl_str_mv The color dipole picture for prompt photon production in pp and pPb collisions at the CERN-LHC
title The color dipole picture for prompt photon production in pp and pPb collisions at the CERN-LHC
spellingShingle The color dipole picture for prompt photon production in pp and pPb collisions at the CERN-LHC
Santos, Glauber Sampaio dos
Aceleradores de partículas
Colisões proton-proton
Colisao de ions pesados
Produção de fótons
Cromodinâmica quântica
title_short The color dipole picture for prompt photon production in pp and pPb collisions at the CERN-LHC
title_full The color dipole picture for prompt photon production in pp and pPb collisions at the CERN-LHC
title_fullStr The color dipole picture for prompt photon production in pp and pPb collisions at the CERN-LHC
title_full_unstemmed The color dipole picture for prompt photon production in pp and pPb collisions at the CERN-LHC
title_sort The color dipole picture for prompt photon production in pp and pPb collisions at the CERN-LHC
author Santos, Glauber Sampaio dos
author_facet Santos, Glauber Sampaio dos
Silveira, Gustavo Gil da
Machado, Magno Valério Trindade
author_role author
author2 Silveira, Gustavo Gil da
Machado, Magno Valério Trindade
author2_role author
author
dc.contributor.author.fl_str_mv Santos, Glauber Sampaio dos
Silveira, Gustavo Gil da
Machado, Magno Valério Trindade
dc.subject.por.fl_str_mv Aceleradores de partículas
Colisões proton-proton
Colisao de ions pesados
Produção de fótons
Cromodinâmica quântica
topic Aceleradores de partículas
Colisões proton-proton
Colisao de ions pesados
Produção de fótons
Cromodinâmica quântica
description A study on the prompt photon production within the QCD color dipole picture with emphasis in pp and pA collisions at the LHC energy regimes is performed. We present predictions for the differential cross section as a function of photon transverse momentum at different rapidity bins considering updated phenomenological color dipole models, which take into account the QCD gluon saturation physics. The results are directly compared to the recent experimental measurements provided by CMS and ATLAS Collaborations, showing a reasonable agreement in all rapidity bins with no free parameters. Special attention is given to the IPSAT model given its good description of the data in all rapidity bins from low- to high-pT ranges. As a result, a free-parameter approach has succeeded in describing the LHC data for prompt photon production, while new predictions for the 13-TeV data is presented in view of new data to confirm such prospect.
publishDate 2020
dc.date.accessioned.fl_str_mv 2020-12-11T04:11:43Z
dc.date.issued.fl_str_mv 2020
dc.type.driver.fl_str_mv Estrangeiro
info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
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dc.identifier.uri.fl_str_mv http://hdl.handle.net/10183/216382
dc.identifier.issn.pt_BR.fl_str_mv 1434-6044
dc.identifier.nrb.pt_BR.fl_str_mv 001118898
identifier_str_mv 1434-6044
001118898
url http://hdl.handle.net/10183/216382
dc.language.iso.fl_str_mv eng
language eng
dc.relation.ispartof.pt_BR.fl_str_mv The European physical journal. C, Particles and fields. Berlin. Vol. 80, no. 9 (Sept. 2020), 812, 13 p.
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
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institution UFRGS
reponame_str Repositório Institucional da UFRGS
collection Repositório Institucional da UFRGS
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