PDF bias and flavor dependence in TMD distributions

Transverse momentum dependent (TMD) distributions match collinear parton density functions (PDF) in the limit of small transverse distances, which is accounted for by global extractions of TMD distributions. We study the influence of the collinear PDF value and uncertainties on the determination of...

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Detalles Bibliográficos
Autores: Bury, Marcin, Hautmann, Francesco, Leal Gomez, Sergio, Scimemi, Ignazio, Vladimirov, Aleksey, Zurita, Pia
Tipo de recurso: artículo
Fecha de publicación:2022
País:España
Institución:Universidad Complutense de Madrid (UCM)
Repositorio:Docta Complutense
Idioma:inglés
OAI Identifier:oai:docta.ucm.es:20.500.14352/72634
Acceso en línea:https://hdl.handle.net/20.500.14352/72634
Access Level:acceso abierto
Palabra clave:51-73
To back jets
Transverse momentum
W-boson
Collisions
Mass
Física-Modelos matemáticos
Física matemática
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repository_id_str
spelling PDF bias and flavor dependence in TMD distributionsBury, MarcinHautmann, FrancescoLeal Gomez, SergioScimemi, IgnazioVladimirov, AlekseyZurita, Pia51-73To back jetsTransverse momentumW-bosonCollisionsMassFísica-Modelos matemáticosFísica matemáticaTransverse momentum dependent (TMD) distributions match collinear parton density functions (PDF) in the limit of small transverse distances, which is accounted for by global extractions of TMD distributions. We study the influence of the collinear PDF value and uncertainties on the determination of unpolarized TMD distributions and the description of Drell-Yan (DY) and Z-boson production measurements at low transverse momenta. We take into account, for the first time in fits including TMD evolution, flavordependent non-perturbative TMD profiles. We carry out a Bayesian analysis to incorporate the propagation of PDF uncertainties into TMD extractions. We find that collinear PDF uncertainties and non-perturbative TMD flavor dependence are both essential to obtain reliable TMD determinations, and should be included in future global analyses.SpringerUniversidad Complutense de Madrid20222022-10-1820222022-10-18journal articlehttp://purl.org/coar/resource_type/c_6501info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/20.500.14352/72634reponame:Docta Complutenseinstname:Universidad Complutense de Madrid (UCM)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2Atribución 3.0 Españahttps://creativecommons.org/licenses/by/3.0/es/info:eu-repo/semantics/openAccessoai:docta.ucm.es:20.500.14352/726342026-06-02T12:44:21Z
dc.title.none.fl_str_mv PDF bias and flavor dependence in TMD distributions
title PDF bias and flavor dependence in TMD distributions
spellingShingle PDF bias and flavor dependence in TMD distributions
Bury, Marcin
51-73
To back jets
Transverse momentum
W-boson
Collisions
Mass
Física-Modelos matemáticos
Física matemática
title_short PDF bias and flavor dependence in TMD distributions
title_full PDF bias and flavor dependence in TMD distributions
title_fullStr PDF bias and flavor dependence in TMD distributions
title_full_unstemmed PDF bias and flavor dependence in TMD distributions
title_sort PDF bias and flavor dependence in TMD distributions
dc.creator.none.fl_str_mv Bury, Marcin
Hautmann, Francesco
Leal Gomez, Sergio
Scimemi, Ignazio
Vladimirov, Aleksey
Zurita, Pia
author Bury, Marcin
author_facet Bury, Marcin
Hautmann, Francesco
Leal Gomez, Sergio
Scimemi, Ignazio
Vladimirov, Aleksey
Zurita, Pia
author_role author
author2 Hautmann, Francesco
Leal Gomez, Sergio
Scimemi, Ignazio
Vladimirov, Aleksey
Zurita, Pia
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Universidad Complutense de Madrid
dc.subject.none.fl_str_mv 51-73
To back jets
Transverse momentum
W-boson
Collisions
Mass
Física-Modelos matemáticos
Física matemática
topic 51-73
To back jets
Transverse momentum
W-boson
Collisions
Mass
Física-Modelos matemáticos
Física matemática
description Transverse momentum dependent (TMD) distributions match collinear parton density functions (PDF) in the limit of small transverse distances, which is accounted for by global extractions of TMD distributions. We study the influence of the collinear PDF value and uncertainties on the determination of unpolarized TMD distributions and the description of Drell-Yan (DY) and Z-boson production measurements at low transverse momenta. We take into account, for the first time in fits including TMD evolution, flavordependent non-perturbative TMD profiles. We carry out a Bayesian analysis to incorporate the propagation of PDF uncertainties into TMD extractions. We find that collinear PDF uncertainties and non-perturbative TMD flavor dependence are both essential to obtain reliable TMD determinations, and should be included in future global analyses.
publishDate 2022
dc.date.none.fl_str_mv 2022
2022-10-18
2022
2022-10-18
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/20.500.14352/72634
url https://hdl.handle.net/20.500.14352/72634
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Atribución 3.0 España
https://creativecommons.org/licenses/by/3.0/es/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Atribución 3.0 España
https://creativecommons.org/licenses/by/3.0/es/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Springer
publisher.none.fl_str_mv Springer
dc.source.none.fl_str_mv reponame:Docta Complutense
instname:Universidad Complutense de Madrid (UCM)
instname_str Universidad Complutense de Madrid (UCM)
reponame_str Docta Complutense
collection Docta Complutense
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869412733723607040
score 15,301603

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