Angular and energy correlations in Higgs decay

Details Angular and energy correlations in Higgs decay Angular and energy correlations in Higgs decay

1993-03-23

arxiv.org/abs/hep-ph/9303294v1

Phys.Lett.B311:261-265,1993

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages (4 figures in Postscript available upon request), LaTex, Bergen Scientific/Technical Report No. 1993-03

Scientific paper

10.1016/0370-2693(93)90565-Y

We discuss how correlations among momenta of the decay products may yield information about the CP-parity of the Higgs particle. These are correlations of decay planes defined by the momenta of pairs of particles as well as correlations between energy differences. Our study includes finite-width effects. In the narrow-width approximation the angular correlations coincide with previously reported results. The correlations between energy differences turn out to be a much better probe for CP determination than the previously suggested angular correlations, especially for massive Higgs bosons.

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