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Abstract:

We consider the transverse-momentum (qT ) distribution of Standard Model Higgs bosons produced by gluon fusion in hadron collisions. At small qT (qT < m H , m H being the mass of the Higgs boson), we resum the logarithmically-enhanced contributions due to multiple soft-gluon emission to all order in QCD perturbation theory. At intermediate and large values of qT (qT∼ m H ), we consistently combine resummation with the known fixed-order results. We use the most advanced perturbative information that is available at present: next-to-next-to-leading logarithmic resummation combined with the next-to-leading fixed-order calculation. We extend previous results including exactly all the perturbative terms up to order α 4 S in our computation and, after integration over qT , we recover the known next-to-next-to-leading order result for the total cross section. We present numerical results at the Tevatron and the LHC, together with an estimate of the corresponding uncertainties. Our calculation is implemented in an updated version of the numerical code HqT. © 2011 SISSA.

Registro:

Documento: Artículo
Título:Transverse-momentum resummation: Higgs boson production at the Tevatron and the LHC
Autor:De Florian, D.; Ferrera, G.; Grazzini, M.; Tommasini, D.
Filiación:Departamento de Física, FCEYN, Universidad de Buenos Aires, 1428 Pabellón 1 Ciudad Universitaria, Capital Federal, Argentina
Dipartimento di Fisica e Astronomia, Università di Firenze and INFN, Sezione di Firenze, I-50019 Sesto Fiorentino, Florence, Italy
Dipartimento di Fisica, Università di Milano and INFN, Sezione di Milano, I-20133 Milan, Italy
Institut für Theoretische Physik, Universität Zürich, CH-8057 Zürich, Switzerland
INFN, Sezione di Firenze, Sesto Fiorentino, Florence, Italy
Palabras clave:Hadronic Colliders; QCD
Año:2011
Volumen:2011
Número:11
DOI: http://dx.doi.org/10.1007/JHEP11(2011)064
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_v2011_n11_p_DeFlorian

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Citas:

---------- APA ----------
De Florian, D., Ferrera, G., Grazzini, M. & Tommasini, D. (2011) . Transverse-momentum resummation: Higgs boson production at the Tevatron and the LHC. Journal of High Energy Physics, 2011(11).
http://dx.doi.org/10.1007/JHEP11(2011)064
---------- CHICAGO ----------
De Florian, D., Ferrera, G., Grazzini, M., Tommasini, D. "Transverse-momentum resummation: Higgs boson production at the Tevatron and the LHC" . Journal of High Energy Physics 2011, no. 11 (2011).
http://dx.doi.org/10.1007/JHEP11(2011)064
---------- MLA ----------
De Florian, D., Ferrera, G., Grazzini, M., Tommasini, D. "Transverse-momentum resummation: Higgs boson production at the Tevatron and the LHC" . Journal of High Energy Physics, vol. 2011, no. 11, 2011.
http://dx.doi.org/10.1007/JHEP11(2011)064
---------- VANCOUVER ----------
De Florian, D., Ferrera, G., Grazzini, M., Tommasini, D. Transverse-momentum resummation: Higgs boson production at the Tevatron and the LHC. J. High Energy Phys. 2011;2011(11).
http://dx.doi.org/10.1007/JHEP11(2011)064