Journal Article

PUBDB-2024-01316

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Center-of-mass energy dependence of intrinsic-$k_T$ distributions obtained from Drell-Yan production

Bubanja, I. ; Jung, H. (Corresponding author)Extern*DESY* ; Lelek, A.Extern* ; Raicevic, N.Extern* ; Taheri Monfared, S.DESY*

2025
Springer Heidelberg

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Please use a persistent id in citations: doi:10.1140/epjc/s10052-025-14021-3  doi:10.3204/PUBDB-2024-01316

Report No.: DESY-24-049; arXiv:2404.04088

Abstract: The internal motion of partons has been studied through its impact on very low transverse momentum spectra of Drell-Yan pairs created in hadron-hadron collisions at next-to-leading order using the Parton Branching (PB) method which describes the evolution of transverse momentum dependent parton distributions. The main focus is on studying the dependence of the intrinsic transverse momentum of partons in the initial state (intrinsic-$k_T$ ) on collision center of mass energy, $\sqrt{s}$.While the collinear parton shower Monte Carlo event generators require parton intrinsic transverse momentum distributions strongly dependent on $\sqrt s$, which is not the case in the PB method.In this paper we do the detailed study of the impact of soft parton emission on this dependence and show that by requiring minimal transverse momentum of the radiated parton at a branching of the order of 1-2 GeV , the dependence on the intrinsic-$k_T$ in the PB method will be introduced and will be steeper by increasing the minimal value.

Note: Updated with published version in EPJC, 85(3), 278

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Contributing Institute(s):

1. LHC/CMS Experiment (CMS)

Research Program(s):

1. 611 - Fundamental Particles and Forces (POF4-611) (POF4-611)
2. DFG project G:(GEPRIS)467467041 - Ein neuer Ansatz für Präzisionsberechnungen von harten Streuprozessen am LHC und zukünftigen Beschleunigern unter Verwendung von Parton Branching Transversalimpuls Verteilungen (PB-app) (467467041) (467467041)
3. STRONG-2020 - The strong interaction at the frontier of knowledge: fundamental research and applications (824093) (824093)

Experiment(s):

1. No specific instrument

Appears in the scientific report 2025

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Database coverage:
; ; ; ; ; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; DOAJ Seal ; Ebsco Academic Search ; Essential Science Indicators ; IF < 5 ; JCR ; SCOAP3 sponsored Journal ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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Linked articles:

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Preprint Bubanja, I. ; Jung, H. (Corresponding author)Extern*DESY* ; Lelek, A. ; Raicevic, N. ; Taheri Monfared, S.DESY*
Center-of-mass energy dependence of intrinsic-$k_{\textrm{T}}$ distributions obtained from Drell–Yan production
[10.3204/PUBDB-2025-01694]     Files  Fulltext by arXiv.org BibTeX | EndNote: XML, Text | RIS

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