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SUMMARY:qT/Q correction for unpolarized Drell-Yan
DTSTART;VALUE=DATE-TIME:20251119T143000Z
DTEND;VALUE=DATE-TIME:20251119T144500Z
DTSTAMP;VALUE=DATE-TIME:20260424T154105Z
UID:indico-contribution-28875@indico.ific.uv.es
DESCRIPTION:Speakers: Arturo Arroyo (Departamento de Física Teórica e IP
 ARCOS\, Universidad Complutense de Madrid)\nThe transverse momentum depend
 ent (TMD) factorization theorem incorporates several types of power correc
 tions to the leading term. For large values of transverse momentum\, $q_T/
 Q$ corrections become significant. They arise from higher-twist TMD distri
 btuions\, which are singular at small transverse distances. We propose a m
 ethod that reveals this singularity and makes the $q_T/Q$ correction manif
 est. As an application\, we consider twist-three TMD distributuions and co
 mpute the $q_T/Q$\n corrections to next-to-leading power angular coefficie
 nts for unpolarized Drell-Yan. The result is in complete agreement with th
 e data.\n\nhttps://indico.ific.uv.es/event/8035/contributions/28875/
LOCATION:
URL:https://indico.ific.uv.es/event/8035/contributions/28875/
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