Special Supersymmetric features of large invariant mass unpolarized and polarized top-antitop production at LHC

Simple item page
dc.creatorBeccaria, M.
dc.creatorBentvelsen, S.
dc.creatorCobal, M.
dc.creatorRenard, F. M.
dc.creatorVerzegnassi, C.
dc.date2004-12-17
dc.date.accessioned2026-07-07T11:58:33Z
dc.date.available2026-07-07T11:58:33Z
dc.descriptionWe consider the top-antitop invariant mass distributions for production of unpolarized and polarized top quark pairs at LHC, in the theoretical framework of the MSSM. Assuming a "moderately" light SUSY scenario, we derive the leading logarithmic electroweak contributions at one loop in a region of large invariant mass, $M_{t\bar t}\simeq1$ TeV, for the unpolarized differential cross section $dσ/dM_{t\bar t}$ and for the differential longitudinal top polarization asymmetry $A_t(M_{t\bar t})$. We perform a realistic evaluation of the expected uncertainties of the two quantities, both from a theoretical and from an experimental point of view, and discuss the possibility of obtaining, from accurate measurements of the two mass distributions, stringent consistency tests of the model, in particular identifications of large $\tanβ$ effects.
dc.description23 pages, 9 eps figures
dc.identifierhttps://arxiv.org/abs/hep-ph/0412249
dc.identifierhttp://arxiv.org/abs/hep-ph/0412249
dc.identifierPhys.Rev.D71:073003,2005
dc.identifierdoi:10.1103/PhysRevD.71.073003
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/206262
dc.subjectHigh Energy Physics - Phenomenology
dc.titleSpecial Supersymmetric features of large invariant mass unpolarized and polarized top-antitop production at LHC
dc.typetext

Files

Collections

arXiv