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Abstract:

We consider Higgs boson production by gluon fusion in hadron collisions. We study the doubly-differential transverse-momentum (qT) and rapidity (y) distribution of the Higgs boson in perturbative QCD. In the region of small qT (qT ≪ MH, MH being the mass of the Higgs boson), we include the effect of logarithmically-enhanced contributions due to multiparton radiation to all perturbative orders. We use the impact parameter and double Mellin moments to implement and factorize the multiparton kinematics constraint of transverse- and longitudinal-momentum conservation. The logarithmic terms are then systematically resummed in exponential form. At small qT, we perform the all-order resummation of large logarithms up to next-to-next-to-leading logarithmic accuracy, while at large qT (qT ∼ MH), we apply a matching procedure that recovers the fixed-order perturbation theory up to next-to-leading order. We present quantitative results for the differential cross section in qT and y at the LHC, and we comment on the comparison with the qT cross section integrated over y. © 2007 Elsevier B.V. All rights reserved.

Registro:

Documento: Artículo
Título:Higgs boson production at the LHC: Transverse-momentum resummation and rapidity dependence
Autor:Bozzi, G.; Catani, S.; de Florian, D.; Grazzini, M.
Filiación:Institut für Theoretische Physik, Universität Karlsruhe, PO Box 6980, D-76128 Karlsruhe, Germany
INFN, Sezione di Firenze, Dipartimento di Fisica, I-50019 Sesto Fiorentino, Florence, Italy
Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, (1428) Pabellon 1 Ciudad Universitaria, Capital Federal, Argentina
Palabras clave:Hadronic colliders; Higgs; LHC; QCD
Año:2008
Volumen:791
Número:1-2
Página de inicio:1
Página de fin:19
DOI: http://dx.doi.org/10.1016/j.nuclphysb.2007.09.034
Título revista:Nuclear Physics B
Título revista abreviado:Nucl. Phys. B
ISSN:05503213
CODEN:NUPBB
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05503213_v791_n1-2_p1_Bozzi

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Citas:

---------- APA ----------
Bozzi, G., Catani, S., de Florian, D. & Grazzini, M. (2008) . Higgs boson production at the LHC: Transverse-momentum resummation and rapidity dependence. Nuclear Physics B, 791(1-2), 1-19.
http://dx.doi.org/10.1016/j.nuclphysb.2007.09.034
---------- CHICAGO ----------
Bozzi, G., Catani, S., de Florian, D., Grazzini, M. "Higgs boson production at the LHC: Transverse-momentum resummation and rapidity dependence" . Nuclear Physics B 791, no. 1-2 (2008) : 1-19.
http://dx.doi.org/10.1016/j.nuclphysb.2007.09.034
---------- MLA ----------
Bozzi, G., Catani, S., de Florian, D., Grazzini, M. "Higgs boson production at the LHC: Transverse-momentum resummation and rapidity dependence" . Nuclear Physics B, vol. 791, no. 1-2, 2008, pp. 1-19.
http://dx.doi.org/10.1016/j.nuclphysb.2007.09.034
---------- VANCOUVER ----------
Bozzi, G., Catani, S., de Florian, D., Grazzini, M. Higgs boson production at the LHC: Transverse-momentum resummation and rapidity dependence. Nucl. Phys. B. 2008;791(1-2):1-19.
http://dx.doi.org/10.1016/j.nuclphysb.2007.09.034