Key Features of the TMD Soft-Factor Structure

Alexey Vladimirov; N. G. Stefanis

doi:10.1007/s00601-014-0851-1

Key Features of the TMD Soft-Factor Structure

Alexey Vladimirov, N. G. Stefanis

Research output: Contribution to journal › Article › peer-review

Abstract

We show that the geometry of the Wilson lines, entering the operator definition of the transverse-momentum dependent parton distributions and that of the soft factor, follows from the kinematics of the underlying physical process in conjunction with the gauge invariance of the QCD Lagrangian. We demonstrate our method in terms of concrete examples and determine the paths of the associated Wilson lines. The validation of the factorization theorem in our approach is postponed to future work.

Original language	English
Pages (from-to)	297-302
Journal	Few-Body Systems
Volume	55
Issue number	5-7
DOIs	https://doi.org/10.1007/s00601-014-0851-1
Publication status	Published - 2014

Subject classification (UKÄ)

Subatomic Physics

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10.1007/s00601-014-0851-1

Postdoc Alexey Vladimirov
Bijnens, J. (Researcher) & Vladimirov, A. (Researcher)
2013/09/01 → 2015/10/31
Project: Research

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title = "Key Features of the TMD Soft-Factor Structure",

abstract = "We show that the geometry of the Wilson lines, entering the operator definition of the transverse-momentum dependent parton distributions and that of the soft factor, follows from the kinematics of the underlying physical process in conjunction with the gauge invariance of the QCD Lagrangian. We demonstrate our method in terms of concrete examples and determine the paths of the associated Wilson lines. The validation of the factorization theorem in our approach is postponed to future work.",

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AU - Stefanis, N. G.

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AB - We show that the geometry of the Wilson lines, entering the operator definition of the transverse-momentum dependent parton distributions and that of the soft factor, follows from the kinematics of the underlying physical process in conjunction with the gauge invariance of the QCD Lagrangian. We demonstrate our method in terms of concrete examples and determine the paths of the associated Wilson lines. The validation of the factorization theorem in our approach is postponed to future work.

U2 - 10.1007/s00601-014-0851-1

DO - 10.1007/s00601-014-0851-1

M3 - Article

SN - 0177-7963

VL - 55

SP - 297

EP - 302

JO - Few-Body Systems

JF - Few-Body Systems

IS - 5-7

ER -

Key Features of the TMD Soft-Factor Structure

Abstract

Subject classification (UKÄ)

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Postdoc Alexey Vladimirov

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