Sensitivity of the LHC isolated-γ + jet data to the parton distribution functions of the proton
We study the impact of differential isolated-photon+jet cross sections measured in proton-proton collisions at a center-of-mass energy of √s= 7TeV on the parton distribution functions (PDF) of the proton. Next-to-leading-order perturbative QCD (pQCD) calculations complemented with the NNPDF2.1 parto...
| मुख्य लेखकों: | , , , , , , , |
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| स्वरूप: | Journal article |
| भाषा: | English |
| प्रकाशित: |
2013
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| _version_ | 1826286403342827520 |
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| author | Carminati, L Costa, G D'Enterria, D Koletsou, I Marchiori, G Rojo, J Stockton, M Tartarelli, F |
| author_facet | Carminati, L Costa, G D'Enterria, D Koletsou, I Marchiori, G Rojo, J Stockton, M Tartarelli, F |
| author_sort | Carminati, L |
| collection | OXFORD |
| description | We study the impact of differential isolated-photon+jet cross sections measured in proton-proton collisions at a center-of-mass energy of √s= 7TeV on the parton distribution functions (PDF) of the proton. Next-to-leading-order perturbative QCD (pQCD) calculations complemented with the NNPDF2.1 parton densities, and a Bayesian PDF reweighting method are employed. We find that although the current data provide only mild constraints to the parton densities, future γ-jet measurements with reduced experimental uncertainties can improve our knowledge of the gluon density over a wide range of parton fractional momenta x as well as of the quarks at low x. © EPLA, 2013. |
| first_indexed | 2024-03-07T01:43:14Z |
| format | Journal article |
| id | oxford-uuid:978bed5c-4b7d-4ef5-9e9b-9f11dd2ded70 |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-07T01:43:14Z |
| publishDate | 2013 |
| record_format | dspace |
| spelling | oxford-uuid:978bed5c-4b7d-4ef5-9e9b-9f11dd2ded702022-03-27T00:00:34ZSensitivity of the LHC isolated-γ + jet data to the parton distribution functions of the protonJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:978bed5c-4b7d-4ef5-9e9b-9f11dd2ded70EnglishSymplectic Elements at Oxford2013Carminati, LCosta, GD'Enterria, DKoletsou, IMarchiori, GRojo, JStockton, MTartarelli, FWe study the impact of differential isolated-photon+jet cross sections measured in proton-proton collisions at a center-of-mass energy of √s= 7TeV on the parton distribution functions (PDF) of the proton. Next-to-leading-order perturbative QCD (pQCD) calculations complemented with the NNPDF2.1 parton densities, and a Bayesian PDF reweighting method are employed. We find that although the current data provide only mild constraints to the parton densities, future γ-jet measurements with reduced experimental uncertainties can improve our knowledge of the gluon density over a wide range of parton fractional momenta x as well as of the quarks at low x. © EPLA, 2013. |
| spellingShingle | Carminati, L Costa, G D'Enterria, D Koletsou, I Marchiori, G Rojo, J Stockton, M Tartarelli, F Sensitivity of the LHC isolated-γ + jet data to the parton distribution functions of the proton |
| title | Sensitivity of the LHC isolated-γ + jet data to the parton distribution functions of the proton |
| title_full | Sensitivity of the LHC isolated-γ + jet data to the parton distribution functions of the proton |
| title_fullStr | Sensitivity of the LHC isolated-γ + jet data to the parton distribution functions of the proton |
| title_full_unstemmed | Sensitivity of the LHC isolated-γ + jet data to the parton distribution functions of the proton |
| title_short | Sensitivity of the LHC isolated-γ + jet data to the parton distribution functions of the proton |
| title_sort | sensitivity of the lhc isolated γ jet data to the parton distribution functions of the proton |
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