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De Florian, D.; Mahakhud, M.; Mathews, P.; Mazzitelli, J.; Ravindran, V. "Next-to-next-to-leading order QCD corrections in models of TeV-scale gravity" (2014) Journal of High Energy Physics. 2014(4)
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Abstract:

We compute the next-to-next-to-leading order QCD corrections to the graviton production in models of TeV-scale gravity, within the soft-virtual approximation. For the Arkani-Hamed, Dimopoulos and Dvali (ADD) model we evaluate the contribu-tion to the Drell-Yan cross section, and we present distributions for the di-lepton invariant mass at the LHC with a center-of-mass energy √SH = 14 TeV. We find a large K factor (K ∼1.8) for large values of invariant mass, which is the region where the ADD graviton contribution dominates the cross section. The increase in the cross section with respect to the previous order result is larger than 10% in the same invariant mass region. We also observe a substantial reduction in the scale uncertainty. For the Randall-Sundrum (RS) model we computed the total single graviton production cross section at the LHC. We find an increase between 10% and 13% with respect to the next-to-leading order prediction, depending on the model parameters. We provide an analytic expression for the NNLO K factor as a function of the lightest RS graviton mass. © 2014 The Author(s).

Registro:

Documento: Artículo
Título:Next-to-next-to-leading order QCD corrections in models of TeV-scale gravity
Autor:De Florian, D.; Mahakhud, M.; Mathews, P.; Mazzitelli, J.; Ravindran, V.
Filiación:Departamento de Física, FCEyN, Universidad de Buenos Aires (1428), Pabellón 1, Capital Federal, Argentina
Harish-Chandra Research Institute, Chhatnag Road, Jhunsi Allahabad 211 019, India
Saha Institute of Nuclear Physics, 1/AF Bidhan Nagar, Kolkata 700 064, India
Institute of Mathematical Sciencies, C.I.T Campus, 4th Cross s, Tharamani, Chennai Tamil Nadu 600 113, India
Palabras clave:Phenomenology of Large extra dimensions; QCD Phenomenology
Año:2014
Volumen:2014
Número:4
DOI: http://dx.doi.org/10.1007/JHEP04(2014)028
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_v2014_n4_p_DeFlorian

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Citas:

---------- APA ----------
De Florian, D., Mahakhud, M., Mathews, P., Mazzitelli, J. & Ravindran, V. (2014) . Next-to-next-to-leading order QCD corrections in models of TeV-scale gravity. Journal of High Energy Physics, 2014(4).
http://dx.doi.org/10.1007/JHEP04(2014)028
---------- CHICAGO ----------
De Florian, D., Mahakhud, M., Mathews, P., Mazzitelli, J., Ravindran, V. "Next-to-next-to-leading order QCD corrections in models of TeV-scale gravity" . Journal of High Energy Physics 2014, no. 4 (2014).
http://dx.doi.org/10.1007/JHEP04(2014)028
---------- MLA ----------
De Florian, D., Mahakhud, M., Mathews, P., Mazzitelli, J., Ravindran, V. "Next-to-next-to-leading order QCD corrections in models of TeV-scale gravity" . Journal of High Energy Physics, vol. 2014, no. 4, 2014.
http://dx.doi.org/10.1007/JHEP04(2014)028
---------- VANCOUVER ----------
De Florian, D., Mahakhud, M., Mathews, P., Mazzitelli, J., Ravindran, V. Next-to-next-to-leading order QCD corrections in models of TeV-scale gravity. J. High Energy Phys. 2014;2014(4).
http://dx.doi.org/10.1007/JHEP04(2014)028