Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-01-28
JHEP 1106:132,2011
Physics
High Energy Physics
High Energy Physics - Phenomenology
Scientific paper
10.1007/JHEP06(2011)132
Spin-2 particles and in particular gravitons are predicted in many new physics scenarios at the TeV scale. Depending on the details of models such new states might show up as a continuum, massless particles, or TeV scale resonances. Correspondingly, very different discovery signatures should be exploited, from the search of excesses in events with multi jets and large missing transverse energy, to resonances in weak boson or jet pair productions. We present a very general and flexible implementation in MadGraph/MadEvent of spin-2 particles interacting with the standard model particles via the energy momentum tensor, which encompasses all of the most popular TeV scale models featuring gravitons. By merging matrix elements with parton shower, we can generate inclusive samples of graviton+jets at the hadron colliders in several scenarios (ADD, zero-mass graviton and RS). We compare and validate our results against the corresponding next-to-leading order QCD calculations.
Aquino Priscila de
Hagiwara Kaoru
Li Qiang
Maltoni Fabio
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