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Abstract:

We compute the next-to-next-to-leading order (NNLO) soft and virtual QCD corrections for the partonic cross section of colourless-final state processes in hadronic collisions. The results are valid to all orders in the dimensional regularization parameter Ïμ. The dependence of the results on a particular process is given through finite contributions to the one and two-loop amplitudes, which have to be computed in a process-by-process basis. To evaluate the accuracy of the soft-virtual approximation we compare it with the full NNLO result for Drell-Yan and Higgs boson production via gluon fusion. We also provide a universal expression for the hard coefficient needed to perform threshold resummation up to next-to-next-to-leading logarithmic (NNLL) accuracy. © 2012 SISSA, Trieste, Italy.

Registro:

Documento: Artículo
Título:A next-to-next-to-leading order calculation of soft-virtual cross sections
Autor:De Florian, D.; Mazzitelli, J.
Filiación:Departamento de Física, FCEyN, Universidad de Buenos Aires (1428), Pabellón 1, Capital Federal, Argentina
Palabras clave:NLO Computations; QCD Phenomenology
Año:2012
Volumen:2012
Número:12
DOI: http://dx.doi.org/10.1007/JHEP12(2012)088
Título revista:Journal of High Energy Physics
Título revista abreviado:J. High Energy Phys.
ISSN:11266708
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_11266708_v2012_n12_p_DeFlorian

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Citas:

---------- APA ----------
De Florian, D. & Mazzitelli, J. (2012) . A next-to-next-to-leading order calculation of soft-virtual cross sections. Journal of High Energy Physics, 2012(12).
http://dx.doi.org/10.1007/JHEP12(2012)088
---------- CHICAGO ----------
De Florian, D., Mazzitelli, J. "A next-to-next-to-leading order calculation of soft-virtual cross sections" . Journal of High Energy Physics 2012, no. 12 (2012).
http://dx.doi.org/10.1007/JHEP12(2012)088
---------- MLA ----------
De Florian, D., Mazzitelli, J. "A next-to-next-to-leading order calculation of soft-virtual cross sections" . Journal of High Energy Physics, vol. 2012, no. 12, 2012.
http://dx.doi.org/10.1007/JHEP12(2012)088
---------- VANCOUVER ----------
De Florian, D., Mazzitelli, J. A next-to-next-to-leading order calculation of soft-virtual cross sections. J. High Energy Phys. 2012;2012(12).
http://dx.doi.org/10.1007/JHEP12(2012)088