Randall-Sundrum graviton spin determination using azimuthal angular dependence

Details Randall-Sundrum graviton spin determination using azimuthal angular dependence Randall-Sundrum graviton spin determination using azimuthal angular dependence

2009-04-29

arxiv.org/abs/0904.4561v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 6 figures

Scientific paper

Quantum interference of helicity amplitudes provides a powerful tool for measuring the spins of new particles. By looking at the azimuthal angular dependence of the differential cross-section in the production followed by decay of a new particle species one can determine its spin by looking at the various cosine modes. The heavy spin-2 Kaluza-Klein (KK) graviton provides a unique signature with a $\cos{(4 \phi)}$ mode. We study the feasibility of this approach to measuring the spin of the KK graviton in the Randall-Sundrum Model at the LHC.

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