One-loop triple collinear splitting amplitudes in QCD

Simon Badger; Francesco Buciuni; Tiziano Peraro

doi:10.1007/JHEP09(2015)188

One-loop triple collinear splitting amplitudes in QCD

Simon Badger^*, Francesco Buciuni, Tiziano Peraro

^*Corresponding author for this work

School of Physics and Astronomy

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

Abstract

We study the factorisation properties of one-loop scattering amplitudes in the triple collinear limit and extract the universal splitting amplitudes for processes initiated by a gluon. The splitting amplitudes are derived from the analytic Higgs plus four partons amplitudes. We present compact results for primitive helicity splitting amplitudes making use of super-symmetric decompositions. The universality of the collinear factorisation is checked numerically against the full colour six parton squared matrix elements.

Original language	English
Article number	188
Number of pages	29
Journal	Journal of High Energy Physics
Issue number	9
DOIs	https://doi.org/10.1007/JHEP09(2015)188
Publication status	E-pub ahead of print - 28 Sept 2015

Keywords / Materials (for Non-textual outputs)

Scattering Amplitudes
Strong Coupling Expansion
QCD
TO-LEADING ORDER
GAUGE-THEORY AMPLITUDES
CROSS-SECTIONS
BETA-FUNCTION
ANOMALOUS DIMENSIONS
FACTORIZATION
TREE
SCATTERING
(NLO)-L-3
INTEGRALS

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10.1007/JHEP09(2015)188

art%3A10.1007%2FJHEP09%282015%29188Final published version, 750 KB

http://link.springer.com/article/10.1007%2FJHEP09%282015%29188

Cite this

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title = "One-loop triple collinear splitting amplitudes in QCD",

abstract = "We study the factorisation properties of one-loop scattering amplitudes in the triple collinear limit and extract the universal splitting amplitudes for processes initiated by a gluon. The splitting amplitudes are derived from the analytic Higgs plus four partons amplitudes. We present compact results for primitive helicity splitting amplitudes making use of super-symmetric decompositions. The universality of the collinear factorisation is checked numerically against the full colour six parton squared matrix elements.",

keywords = "Scattering Amplitudes, Strong Coupling Expansion, QCD, TO-LEADING ORDER, GAUGE-THEORY AMPLITUDES, CROSS-SECTIONS, BETA-FUNCTION, ANOMALOUS DIMENSIONS, FACTORIZATION, TREE, SCATTERING, (NLO)-L-3, INTEGRALS",

author = "Simon Badger and Francesco Buciuni and Tiziano Peraro",

year = "2015",

month = sep,

day = "28",

doi = "10.1007/JHEP09(2015)188",

language = "English",

journal = "Journal of High Energy Physics",

issn = "1029-8479",

publisher = "Springer",

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T1 - One-loop triple collinear splitting amplitudes in QCD

AU - Badger, Simon

AU - Buciuni, Francesco

AU - Peraro, Tiziano

PY - 2015/9/28

Y1 - 2015/9/28

N2 - We study the factorisation properties of one-loop scattering amplitudes in the triple collinear limit and extract the universal splitting amplitudes for processes initiated by a gluon. The splitting amplitudes are derived from the analytic Higgs plus four partons amplitudes. We present compact results for primitive helicity splitting amplitudes making use of super-symmetric decompositions. The universality of the collinear factorisation is checked numerically against the full colour six parton squared matrix elements.

AB - We study the factorisation properties of one-loop scattering amplitudes in the triple collinear limit and extract the universal splitting amplitudes for processes initiated by a gluon. The splitting amplitudes are derived from the analytic Higgs plus four partons amplitudes. We present compact results for primitive helicity splitting amplitudes making use of super-symmetric decompositions. The universality of the collinear factorisation is checked numerically against the full colour six parton squared matrix elements.

KW - Scattering Amplitudes

KW - Strong Coupling Expansion

KW - QCD

KW - TO-LEADING ORDER

KW - GAUGE-THEORY AMPLITUDES

KW - CROSS-SECTIONS

KW - BETA-FUNCTION

KW - ANOMALOUS DIMENSIONS

KW - FACTORIZATION

KW - TREE

KW - SCATTERING

KW - (NLO)-L-3

KW - INTEGRALS

U2 - 10.1007/JHEP09(2015)188

DO - 10.1007/JHEP09(2015)188

M3 - Article

SN - 1029-8479

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 9

M1 - 188

ER -

One-loop triple collinear splitting amplitudes in QCD

Abstract

Keywords / Materials (for Non-textual outputs)

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