On the breaking of collinear factorization in QCD

Jeffrey R. Forshaw; Michael H. Seymour; Andrzej Siódmok

doi:10.1007/JHEP11(2012)066

On the breaking of collinear factorization in QCD

Jeffrey R. Forshaw, Michael H. Seymour, Andrzej Siódmok

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

Abstract

We investigate the breakdown of collinear factorization for non-inclusive observables in hadron-hadron collisions. For pure QCD processes, factorization is violated at the three-loop level and it has a structure identical to that encountered previously in the case of super-leading logarithms. In particular, it is driven by the non-commutation of Coulomb/Glauber gluon exchanges with other soft exchanges. Beyond QCD, factorization may be violated at the two-loop level provided that the hard subprocess contains matrix element contributions with phase differences between different colour topologies. © SISSA 2012.

Original language	English
Article number	066
Journal	The Journal of High Energy Physics
Volume	2012
Issue number	11
DOIs	https://doi.org/10.1007/JHEP11(2012)066
Publication status	Published - 2012

Keywords

Jets
QCD phenomenology

Access to Document

10.1007/JHEP11(2012)066

Cite this

@article{9f3a7786712c4dd68089c4fb77a65a9b,

title = "On the breaking of collinear factorization in QCD",

abstract = "We investigate the breakdown of collinear factorization for non-inclusive observables in hadron-hadron collisions. For pure QCD processes, factorization is violated at the three-loop level and it has a structure identical to that encountered previously in the case of super-leading logarithms. In particular, it is driven by the non-commutation of Coulomb/Glauber gluon exchanges with other soft exchanges. Beyond QCD, factorization may be violated at the two-loop level provided that the hard subprocess contains matrix element contributions with phase differences between different colour topologies. {\textcopyright} SISSA 2012.",

keywords = "Jets, QCD phenomenology",

author = "Forshaw, {Jeffrey R.} and Seymour, {Michael H.} and Andrzej Si{\'o}dmok",

year = "2012",

doi = "10.1007/JHEP11(2012)066",

language = "English",

volume = "2012",

journal = "The Journal of High Energy Physics",

issn = "1126-6708",

publisher = "Springer Nature",

number = "11",

}

TY - JOUR

T1 - On the breaking of collinear factorization in QCD

AU - Forshaw, Jeffrey R.

AU - Seymour, Michael H.

AU - Siódmok, Andrzej

PY - 2012

Y1 - 2012

N2 - We investigate the breakdown of collinear factorization for non-inclusive observables in hadron-hadron collisions. For pure QCD processes, factorization is violated at the three-loop level and it has a structure identical to that encountered previously in the case of super-leading logarithms. In particular, it is driven by the non-commutation of Coulomb/Glauber gluon exchanges with other soft exchanges. Beyond QCD, factorization may be violated at the two-loop level provided that the hard subprocess contains matrix element contributions with phase differences between different colour topologies. © SISSA 2012.

AB - We investigate the breakdown of collinear factorization for non-inclusive observables in hadron-hadron collisions. For pure QCD processes, factorization is violated at the three-loop level and it has a structure identical to that encountered previously in the case of super-leading logarithms. In particular, it is driven by the non-commutation of Coulomb/Glauber gluon exchanges with other soft exchanges. Beyond QCD, factorization may be violated at the two-loop level provided that the hard subprocess contains matrix element contributions with phase differences between different colour topologies. © SISSA 2012.

KW - Jets

KW - QCD phenomenology

U2 - 10.1007/JHEP11(2012)066

DO - 10.1007/JHEP11(2012)066

M3 - Article

SN - 1126-6708

VL - 2012

JO - The Journal of High Energy Physics

JF - The Journal of High Energy Physics

IS - 11

M1 - 066

ER -

On the breaking of collinear factorization in QCD

Abstract

Keywords

Access to Document

Fingerprint

Cite this