Diphoton signals in theories with large extra dimensions to NLO QCD at hadron colliders

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dc.creatorKumar, M. C.
dc.creatorMathews, Prakash
dc.creatorRavindran, V.
dc.creatorTripathi, Anurag
dc.date2008-11-11
dc.date2009-01-12
dc.date.accessioned2026-07-07T12:36:21Z
dc.date.available2026-07-07T12:36:21Z
dc.descriptionWe present a full next-to-leading order (NLO) QCD corrections to diphoton production at the hadron colliders in both standard model and ADD model. The invariant mass and rapidity distributions of the diphotons are obtained using a semi-analytical two cut-off phase space slicing method which allows for a successful numerical implementation of various kinematical cuts used in the experiments. The fragmentation photons are systematically removed using smooth-cone-isolation cuts on the photons. The NLO QCD corrections not only stabilise the perturbative predictions but also enhance the production cross section significantly.
dc.description13 pages, 5 figures. To appear in PLB
dc.identifierhttps://arxiv.org/abs/0811.1670
dc.identifierhttp://arxiv.org/abs/0811.1670
dc.identifierPhys.Lett.B672:45-50,2009
dc.identifierdoi:10.1016/j.physletb.2009.01.002
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/218067
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Experiment
dc.titleDiphoton signals in theories with large extra dimensions to NLO QCD at hadron colliders
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