A coordinate description of partonic processes

George Sterman; Ozan Erdogan

A coordinate description of partonic processes

George Sterman
, Ozan Erdogan

Institute for Theoretical Physics

University of Cambridge
Carnegie Mellon University

Research output: Contribution to journal › Conference article › peer-review

1 Scopus citations

Abstract

We review a perturbative description of amplitudes in coordinate space, aiming at an intuitive perspective on the roles of “long" and “short" distances. We begin with coordinate-space leading regions for fixed-angle scattering amplitudes, and develop approximations and factorizations in analogy to similar procedures in momentum space. There are also applications to products of Wilson lines, including the familiar cusp amplitude. We briefly discuss cross sections from the coordinate viewpoint, and the mechanism by which infrared singularities cancel in inclusive cross sections.

Original language	English
Journal	Proceedings of Science
State	Published - 2015
Event	12th International Symposium on Radiative Corrections, Radcor 2015 and LoopFest XIV (Radiative Corrections for the LHC and Future Colliders) - Los Angeles, United States Duration: Jun 15 2015 → Jun 19 2015

Cite this

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title = "A coordinate description of partonic processes",

abstract = "We review a perturbative description of amplitudes in coordinate space, aiming at an intuitive perspective on the roles of “long{"} and “short{"} distances. We begin with coordinate-space leading regions for fixed-angle scattering amplitudes, and develop approximations and factorizations in analogy to similar procedures in momentum space. There are also applications to products of Wilson lines, including the familiar cusp amplitude. We briefly discuss cross sections from the coordinate viewpoint, and the mechanism by which infrared singularities cancel in inclusive cross sections.",

author = "George Sterman and Ozan Erdogan",

note = "Publisher Copyright: {\textcopyright} Copyright owned by the author(s).; 12th International Symposium on Radiative Corrections, Radcor 2015 and LoopFest XIV (Radiative Corrections for the LHC and Future Colliders) ; Conference date: 15-06-2015 Through 19-06-2015",

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T1 - A coordinate description of partonic processes

AU - Sterman, George

AU - Erdogan, Ozan

N1 - Publisher Copyright: © Copyright owned by the author(s).

PY - 2015

Y1 - 2015

N2 - We review a perturbative description of amplitudes in coordinate space, aiming at an intuitive perspective on the roles of “long" and “short" distances. We begin with coordinate-space leading regions for fixed-angle scattering amplitudes, and develop approximations and factorizations in analogy to similar procedures in momentum space. There are also applications to products of Wilson lines, including the familiar cusp amplitude. We briefly discuss cross sections from the coordinate viewpoint, and the mechanism by which infrared singularities cancel in inclusive cross sections.

AB - We review a perturbative description of amplitudes in coordinate space, aiming at an intuitive perspective on the roles of “long" and “short" distances. We begin with coordinate-space leading regions for fixed-angle scattering amplitudes, and develop approximations and factorizations in analogy to similar procedures in momentum space. There are also applications to products of Wilson lines, including the familiar cusp amplitude. We briefly discuss cross sections from the coordinate viewpoint, and the mechanism by which infrared singularities cancel in inclusive cross sections.

UR - https://www.scopus.com/pages/publications/85022324572

M3 - Conference article

AN - SCOPUS:85022324572

SN - 1824-8039

JO - Proceedings of Science

JF - Proceedings of Science

T2 - 12th International Symposium on Radiative Corrections, Radcor 2015 and LoopFest XIV (Radiative Corrections for the LHC and Future Colliders)

Y2 - 15 June 2015 through 19 June 2015

ER -

A coordinate description of partonic processes

Abstract

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