Higgs CP from H/A -> tau tau decay

Details Higgs CP from H/A -> tau tau decay Higgs CP from H/A -> tau tau decay

2003-05-08

arxiv.org/abs/hep-ph/0305082v1

Acta Phys.Polon. B34 (2003) 4549-4560

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 8 figures, Presented at the Cracow Epiphany Conference on Heavy Flavors, 3-6 January 2003, Cracow, Poland

Scientific paper

We show how the transverse tau tau spin correlations can be used to measure the parity of the Higgs boson and hence to distinguish a CP-even H boson from CP-odd A in the future high energy accelerator experiments. We investigate the subsequent decays of the tau into pi nu and rho nu. The prospects for the measurement of the Higgs boson parity with a mass of 120 GeV are quantified for the case of e+ e- collisions of 500 GeV center of mass energy. The Standard Model Higgsstrahlung production process is used as an example.

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