The Evolution of Soft Collinear Effective Theory

Lee, Christopher

doi:10.1142/S2010194515600459

The Evolution of Soft Collinear Effective Theory

Journal Article · Wed Feb 25 00:00:00 EST 2015 · International Journal of Modern Physics: Conference Series

DOI:https://doi.org/10.1142/S2010194515600459· OSTI ID:1215525

Lee, Christopher ^[1]

Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Soft Collinear Effective Theory (SCET) is an effective field theory of Quantum Chromodynamics (QCD) for processes where there are energetic, nearly lightlike degrees of freedom interacting with one another via soft radiation. SCET has found many applications in high-energy and nuclear physics, especially in recent years the physics of hadronic jets in e⁺e^-, lepton-hadron, hadron-hadron, and heavy-ion collisions. SCET can be used to factorize multi-scale cross sections in these processes into single-scale hard, collinear, and soft functions, and to evolve these through the renormalization group to resum large logarithms of ratios of the scales that appear in the QCD perturbative expansion, as well as to study properties of nonperturbative effects. We overview the elementary concepts of SCET and describe how they can be applied in high-energy and nuclear physics.

View Accepted Manuscript (DOE)

Research Organization:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC52-06NA25396

OSTI ID:: 1215525

Report Number(s):: LA-UR--14-28033

Journal Information:: International Journal of Modern Physics: Conference Series, Journal Name: International Journal of Modern Physics: Conference Series Vol. 37; ISSN 2010-1945

Publisher:: World ScientificCopyright Statement

Country of Publication:: United States

Language:: English

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SCET approach to regularization-scheme dependence of QCD amplitudes Broggio, A.; Gnendiger, Ch.; Signer, A. arXiv https://doi.org/10.48550/arxiv.1506.05301	text	January 2015
SCET approach to regularization-scheme dependence of QCD amplitudes Broggio, A.; Gnendiger, C.; Signer, A. Springer https://doi.org/10.5167/uzh-121777	text	January 2016

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effective field theory
factorization
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The Evolution of Soft Collinear Effective Theory

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