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SUMMARY:Angular distributions of Drell-Yan leptons in the TMD factorizatio
 n approach
DTSTART;VALUE=DATE-TIME:20241119T131500Z
DTEND;VALUE=DATE-TIME:20241119T133000Z
DTSTAMP;VALUE=DATE-TIME:20260422T145253Z
UID:indico-contribution-25273@indico.ific.uv.es
DESCRIPTION:Speakers: Sara Piloñeta ()\nWe present a comprehensive study 
 of the angular structure functions for Drell-Yan leptons in Z/$\\gamma$-bo
 son production within the framework of the transverse momentum dependent (
 TMD) factorization theorem\, including kinematic power corrections (KPCs).
  We find good agreement with the data in the applicability region of the T
 MD factorization theorem. The inclusion of KPCs allows us to describe all 
 angular coefficients in a frame-independent manner using only the leading-
 twist TMD distributions: the unpolarized and the Boer-Mulders functions. T
 he value of the Boer-Mulders function is determined using the ATLAS measur
 ement of the $A_2$ angular coefficient. The analysis is performed at N$^4$
 LL perturbative order. Additionally\, we discuss the technical implementat
 ion and impact of KPCs on the phenomenology of TMD distributions.\n\nhttps
 ://indico.ific.uv.es/event/7664/contributions/25273/
LOCATION:
URL:https://indico.ific.uv.es/event/7664/contributions/25273/
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