Measuring the Spin and Parity of a Resonance in the Diphoton Decay Channel
classification
✦ hep-ph
keywords
decaygammamethodparityresonancespinallowsangle
read the original abstract
We present a way to determine the spin and parity of a resonance produced through gluon fusion with a decay to a $\gamma\gamma$ pair based on the transverse momentum and Collins-Soper $\phi$ distribution. This method also allows one to distinguish between various non-minimal coupling spin-2 scenarios and can be used in parallel to the `standard' method based on the polar angle $\theta$.
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