Towards the three-dimensional parton structure of the pion: Integrating transverse momentum data into global QCD analysis
We perform a new Monte Carlo QCD analysis of pion parton distribution functions, including, for the first time, transverse momentum dependent pion-nucleus Drell-Yan cross sections together with pT-integrated Drell-Yan and leading neutron electroproduction data from HERA. We assess the sensitivity of...
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| Veröffentlicht in: | Physical review. D 2021-06, Vol.103 (11), p.1, Article 114014 |
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| container_title | Physical review. D |
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| creator | Cao, N. Y. Barry, P. C. Sato, N. Melnitchouk, W. |
| description | We perform a new Monte Carlo QCD analysis of pion parton distribution functions, including, for the first time, transverse momentum dependent pion-nucleus Drell-Yan cross sections together with pT-integrated Drell-Yan and leading neutron electroproduction data from HERA. We assess the sensitivity of the Monte Carlo fits to kinematic cuts, factorization scale, and parametrization choice, and we discuss the impact of the various datasets on the pion's quark and gluon distributions. This study provides the necessary step towards the simultaneous analysis of collinear and transverse momentum dependent pion distributions and the determination of the pion's three-dimensional structure. |
| doi_str_mv | 10.1103/PhysRevD.103.114014 |
| format | Article |
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| ispartof | Physical review. D, 2021-06, Vol.103 (11), p.1, Article 114014 |
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| language | eng |
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| source | American Physical Society Journals |
| subjects | Distribution functions Gluons Parameterization Partons Pions Quantum chromodynamics Transverse momentum |
| title | Towards the three-dimensional parton structure of the pion: Integrating transverse momentum data into global QCD analysis |
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