Next-to-Next-to-Leading Order Global Analysis of Polarized Parton Distribution Functions

Autores
Borsa, Ignacio; Stratmann, Marco; Vogelsang, Werner; de Florian, Daniel Enrique; Sassot, Rodolfo
Año de publicación
2024
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We present a next-to-next-to-leading order (NNLO) global QCD analysis of the proton’s helicity parton distribution functions, the first of its kind. To obtain the distributions, we use data for longitudinal spin asymmetries in inclusive and semi-inclusive lepton-nucleon scattering as well as in weak-boson and hadron or jet production in proton-proton scattering. We analyze the data using QCD perturbation theory at NNLO accuracy, employing approximations provided by the threshold resummation formalism in cases where full NNLO results for partonic hard-scattering functions are not readily available. Our numerical results suggest a remarkable perturbative stability of the extracted helicity parton distribution functions.
Fil: Borsa, Ignacio. Universitat Tubingen; Alemania
Fil: Stratmann, Marco. Universitat Tubingen; Alemania
Fil: Vogelsang, Werner. Universitat Tubingen; Alemania
Fil: de Florian, Daniel Enrique. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Instituto de Ciencias Fisicas. - Universidad Nacional de San Martin. Instituto de Ciencias Fisicas.; Argentina
Fil: Sassot, Rodolfo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina
Materia
spin
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/258447
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Next-to-Next-to-Leading Order Global Analysis of Polarized Parton Distribution FunctionsBorsa, IgnacioStratmann, MarcoVogelsang, Wernerde Florian, Daniel EnriqueSassot, Rodolfospinhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1We present a next-to-next-to-leading order (NNLO) global QCD analysis of the proton’s helicity parton distribution functions, the first of its kind. To obtain the distributions, we use data for longitudinal spin asymmetries in inclusive and semi-inclusive lepton-nucleon scattering as well as in weak-boson and hadron or jet production in proton-proton scattering. We analyze the data using QCD perturbation theory at NNLO accuracy, employing approximations provided by the threshold resummation formalism in cases where full NNLO results for partonic hard-scattering functions are not readily available. Our numerical results suggest a remarkable perturbative stability of the extracted helicity parton distribution functions.Fil: Borsa, Ignacio. Universitat Tubingen; AlemaniaFil: Stratmann, Marco. Universitat Tubingen; AlemaniaFil: Vogelsang, Werner. Universitat Tubingen; AlemaniaFil: de Florian, Daniel Enrique. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Instituto de Ciencias Fisicas. - Universidad Nacional de San Martin. Instituto de Ciencias Fisicas.; ArgentinaFil: Sassot, Rodolfo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; ArgentinaAmerican Physical Society2024-10info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/258447Borsa, Ignacio; Stratmann, Marco; Vogelsang, Werner; de Florian, Daniel Enrique; Sassot, Rodolfo; Next-to-Next-to-Leading Order Global Analysis of Polarized Parton Distribution Functions; American Physical Society; Physical Review Letters; 133; 15; 10-2024; 1-60031-9007CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://link.aps.org/doi/10.1103/PhysRevLett.133.151901info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevLett.133.151901info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:14:04Zoai:ri.conicet.gov.ar:11336/258447instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-22 11:14:04.919CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Next-to-Next-to-Leading Order Global Analysis of Polarized Parton Distribution Functions
title Next-to-Next-to-Leading Order Global Analysis of Polarized Parton Distribution Functions
spellingShingle Next-to-Next-to-Leading Order Global Analysis of Polarized Parton Distribution Functions
Borsa, Ignacio
spin
title_short Next-to-Next-to-Leading Order Global Analysis of Polarized Parton Distribution Functions
title_full Next-to-Next-to-Leading Order Global Analysis of Polarized Parton Distribution Functions
title_fullStr Next-to-Next-to-Leading Order Global Analysis of Polarized Parton Distribution Functions
title_full_unstemmed Next-to-Next-to-Leading Order Global Analysis of Polarized Parton Distribution Functions
title_sort Next-to-Next-to-Leading Order Global Analysis of Polarized Parton Distribution Functions
dc.creator.none.fl_str_mv Borsa, Ignacio
Stratmann, Marco
Vogelsang, Werner
de Florian, Daniel Enrique
Sassot, Rodolfo
author Borsa, Ignacio
author_facet Borsa, Ignacio
Stratmann, Marco
Vogelsang, Werner
de Florian, Daniel Enrique
Sassot, Rodolfo
author_role author
author2 Stratmann, Marco
Vogelsang, Werner
de Florian, Daniel Enrique
Sassot, Rodolfo
author2_role author
author
author
author
dc.subject.none.fl_str_mv spin
topic spin
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv We present a next-to-next-to-leading order (NNLO) global QCD analysis of the proton’s helicity parton distribution functions, the first of its kind. To obtain the distributions, we use data for longitudinal spin asymmetries in inclusive and semi-inclusive lepton-nucleon scattering as well as in weak-boson and hadron or jet production in proton-proton scattering. We analyze the data using QCD perturbation theory at NNLO accuracy, employing approximations provided by the threshold resummation formalism in cases where full NNLO results for partonic hard-scattering functions are not readily available. Our numerical results suggest a remarkable perturbative stability of the extracted helicity parton distribution functions.
Fil: Borsa, Ignacio. Universitat Tubingen; Alemania
Fil: Stratmann, Marco. Universitat Tubingen; Alemania
Fil: Vogelsang, Werner. Universitat Tubingen; Alemania
Fil: de Florian, Daniel Enrique. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Instituto de Ciencias Fisicas. - Universidad Nacional de San Martin. Instituto de Ciencias Fisicas.; Argentina
Fil: Sassot, Rodolfo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina
description We present a next-to-next-to-leading order (NNLO) global QCD analysis of the proton’s helicity parton distribution functions, the first of its kind. To obtain the distributions, we use data for longitudinal spin asymmetries in inclusive and semi-inclusive lepton-nucleon scattering as well as in weak-boson and hadron or jet production in proton-proton scattering. We analyze the data using QCD perturbation theory at NNLO accuracy, employing approximations provided by the threshold resummation formalism in cases where full NNLO results for partonic hard-scattering functions are not readily available. Our numerical results suggest a remarkable perturbative stability of the extracted helicity parton distribution functions.
publishDate 2024
dc.date.none.fl_str_mv 2024-10
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/258447
Borsa, Ignacio; Stratmann, Marco; Vogelsang, Werner; de Florian, Daniel Enrique; Sassot, Rodolfo; Next-to-Next-to-Leading Order Global Analysis of Polarized Parton Distribution Functions; American Physical Society; Physical Review Letters; 133; 15; 10-2024; 1-6
0031-9007
CONICET Digital
CONICET
url http://hdl.handle.net/11336/258447
identifier_str_mv Borsa, Ignacio; Stratmann, Marco; Vogelsang, Werner; de Florian, Daniel Enrique; Sassot, Rodolfo; Next-to-Next-to-Leading Order Global Analysis of Polarized Parton Distribution Functions; American Physical Society; Physical Review Letters; 133; 15; 10-2024; 1-6
0031-9007
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://link.aps.org/doi/10.1103/PhysRevLett.133.151901
info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevLett.133.151901
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv American Physical Society
publisher.none.fl_str_mv American Physical Society
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 12.982451

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