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Infrared safe definition of jet flavour

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arxiv hep-ph/0601139 v1 pith:BLBGM47J submitted 2006-01-17 hep-ph

Infrared safe definition of jet flavour

classification hep-ph
keywords infraredjetspartonsafestudiesalgorithmalgorithmsapplications
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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It is common, in both theoretical and experimental studies, to separately discuss quark and gluon jets. However, even at parton level, widely-used jet algorithms fail to provide an infrared safe way of making this distinction. We examine the origin of the problem, and propose a solution in terms of a new "flavour-kt" algorithm. As well as being of conceptual interest this can be a powerful tool when combining fixed-order calculations with multi-jet resummations and parton showers. It also has applications to studies of heavy-quark jets.

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Forward citations

Cited by 6 Pith papers

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    Resummed predictions for b-jet angularities including finite-mass effects and non-perturbative corrections are computed and compared to light-flavour jets.

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