Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2010-12-07
J.Phys.Conf.Ser.295:012074,2011
Physics
High Energy Physics
High Energy Physics - Phenomenology
Presentation at the SPIN2010 International Symposium, Juelich (Germany), Sep. 27-Oct. 2, 2010
Scientific paper
10.1088/1742-6596/295/1/012074
New Physics scenarios generally predict the existence of very heavy quantum states that can possibly manifest themselves as peaks in the cross sections at the LHC. For values of the parameters in certain domains, different nonstandard models can generate peaks with the same mass and same number of events. In this case, the spin determination of a peak, requiring the angular analysis of the events, becomes crucial in order to identify the relevant nonstandard source. We here discuss, using a particularly suitable symmetrically integrated angular asymmetry applied to Drell-Yan dilepton and diphoton events at LHC, the identification reach on the exchanges in these reactions of the following heavy bosons: spin-2 Randall-Sundrum graviton excitations; spin-1 heavy neutral gauge bosons Z^\prime; and spin-0 SUSY R-parity violating sneutrinos.
Osland Per
Pankov A. A.
Paver Nello
Tsytrinov A. V.
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