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Extraction of unpolarized transverse momentum distributions from the fit of Drell-Yan data at N4LL
Moos, Valentin
, Scimemi, Ignazio, Vladimirov, Alexey und Zurita, Pia
(2024)
Extraction of unpolarized transverse momentum distributions from the fit of Drell-Yan data at N4LL.
Journal of High Energy Physics 2024 (5).
Veröffentlichungsdatum dieses Volltextes: 18 Feb 2025 06:06
Artikel
DOI zum Zitieren dieses Dokuments: 10.5283/epub.74980
Zusammenfassung
We present an extraction of unpolarized transverse momentum dependent parton distributions functions (TMDPDFs) and Collins-Soper kernel from the fit of Drell-Yan and weak-vector boson production data. The TMDPDF are parameterized, as commonly done, using their (large transverse momentum) asymptotic matching to PDF. The analysis is done at the next-to-next-to-next-to-next-to leading logarithmic ...
We present an extraction of unpolarized transverse momentum dependent parton distributions functions (TMDPDFs) and Collins-Soper kernel from the fit of Drell-Yan and weak-vector boson production data. The TMDPDF are parameterized, as commonly done, using their (large transverse momentum) asymptotic matching to PDF. The analysis is done at the next-to-next-to-next-to-next-to leading logarithmic accuracy (N4LL) (performed only approximately because PDF evolution is known so far at next-to-next-to leading order (NNLO)). The non-perturbative model used for TMDPDF is flavor dependent to reduce the colllinear PDF bias. The estimation of uncertainties is done with the replica method and, for the first time, it includes the propagation of uncertainties due to the collinear distributions.
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Details
| Dokumentenart | Artikel | ||||
| Titel eines Journals oder einer Zeitschrift | Journal of High Energy Physics | ||||
| Verlag: | Springer Nature | ||||
|---|---|---|---|---|---|
| Band: | 2024 | ||||
| Nummer des Zeitschriftenheftes oder des Kapitels: | 5 | ||||
| Datum | 3 Mai 2024 | ||||
| Institutionen | Physik > Institut für Theoretische Physik | ||||
| Projekte |
Gefördert von:
Deutsche Forschungsgemeinschaft (DFG)
(430824754)
Gefördert von:
Europäische Kommission (EU)
(824093)
| ||||
| Identifikationsnummer |
| ||||
| Stichwörter / Keywords | Parton Distributions, Resummation, Factorization, Renormalization Group, Higher-Order Perturbative Calculations | ||||
| Dewey-Dezimal-Klassifikation | 500 Naturwissenschaften und Mathematik > 530 Physik | ||||
| Status | Veröffentlicht | ||||
| Begutachtet | Ja, diese Version wurde begutachtet | ||||
| An der Universität Regensburg entstanden | Zum Teil | ||||
| URN der UB Regensburg | urn:nbn:de:bvb:355-epub-749800 | ||||
| Dokumenten-ID | 74980 |
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