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Energy-scaling behavior of intrinsic transverse-momentum parameters in Drell-Yan simulation

Abstract: An analysis is presented based on models of the intrinsic transverse momentum (intrinsic ??T) of partons in nucleons by studying the dilepton transverse momentum in Drell-Yan events. Using parameter tuning in event generators and existing data from fixed-target experiments and from hadron colliders, our investigation spans 3 orders of magnitude in center-of-mass energy and 2 orders of magnitude in dilepton invariant mass. The results show an energy-scaling behavior of the intrinsic ??T parameters, independent of the dilepton invariant mass at a given center-of-mass energy.

Authorship: Hayrapetyan A., Tumasyan A., Adam W., Andrejkovic J.W., Bergauer T., Chatterjee S., Damanakis K., Dragicevic M., Hussain P.S., Jeitler M., Krammer N., Li A., Liko D., Mikulec I., Schieck J., Schöfbeck R., Schwarz D., Sonawane M., Waltenberger W., Wulz C.E., Janssen T., Van Laer T., Van Mechelen P., Breugelmans N., D’Hondt J., Dansana S., De Moor A., Delcourt M., Heyen F., Lowette S., Makarenko I., Müller D., Tavernier S., Tytgat M

Fuente: Physical Review D, 2025, 111, 072003

Publisher: American Physical Society

Year of publication: 2025

No. of pages: 23

Publication type: Article

DOI: 10.1103/PhysRevD.111.072003

ISSN: 1550-7998,1550-2368,2470-0010,2470-0029

Publication Url: https://doi.org/10.1103/PhysRevD.111.072003

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