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001     419179
005     20211110153543.0
024 7 _ |a arXiv:1812.08690
|2 arXiv
024 7 _ |a 10.3204/PUBDB-2019-00961
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024 7 _ |a inspire:1710427
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037 _ _ |a PUBDB-2019-00961
041 _ _ |a English
088 1 _ |a DESY-18-209; arXiv:1812.08690
088 _ _ |a DESY-18-209
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088 _ _ |a arXiv:1812.08690
|2 arXiv
100 1 _ |a Bell, Guido
|b 0
245 _ _ |a Generic dijet soft functions at two-loop order: correlated emissions
260 _ _ |c 2018
336 7 _ |a Preprint
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336 7 _ |a Electronic Article
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336 7 _ |a preprint
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336 7 _ |a Report
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336 7 _ |a ARTICLE
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336 7 _ |a Output Types/Working Paper
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520 _ _ |a We present a systematic algorithm for the perturbative computation of soft functions that are defined in terms of two light-like Wilson lines. Our method is based on a universal parametrisation of the phase-space integrals, which we use to isolate the singularities in Laplace space. The observable-dependent integrations can then be performed numerically, and they are implemented in the new, publicly available package SoftSERVE that we use to derive all of our numerical results. Our algorithm applies to both SCET-1 and SCET-2 soft functions, and in the current version it can be used to compute two out of three NNLO colour structures associated with the so-called correlated-emission contribution. We confirm existing two-loop results for about a dozen $e^+e^-$ and hadron-collider soft functions, and we obtain new predictions for the C-parameter as well as thrust-axis and broadening-axis angularities.
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700 1 _ |a Rahn, Rudi
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700 1 _ |a Talbert, Jim
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856 4 _ |y OpenAccess
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910 1 _ |a Deutsches Elektronen-Synchrotron
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913 1 _ |a DE-HGF
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914 1 _ |y 2018
915 _ _ |a OpenAccess
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915 _ _ |a Published
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920 1 _ |0 I:(DE-H253)T-20120731
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