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Title: Measuring the Higgs boson's parity using tau -> rho upsilon
Authors: Bower, G. R.
Pierzchała, T.
Wąs, Z.
Worek, Małgorzata
Keywords: leptons; decay; τ lepton
Issue Date: 2002
Citation: Physics Letters B, Vol. 543, iss. 3-4(2002), s. 227-234
Abstract: We present a very promising method for a measurement of the Higgs boson parity using the H/A →τ+τ- →ρ+ν̄τρ-ντ→ π+π0 ν̄τ-π0ντ decay chain. The method is both model independent and independent of the Higgs production mechanism. Angular distributions of the τ decay products which are sensitive to the Higgs boson parity are defined and are found to be measurable using typical properties of a future detector for an e+e- linear collider. The prospects for the measurement of the parity of a Higgs boson with a mass of 120 GeV are quantified for the case of e+e- collisions of 500 GeV center of mass energy with an integrated luminosity of 500 fb-1. The Standard Model Higgsstrahlung production process is used as an example.
DOI: 10.1016/S0370-2693(02)02445-0
ISSN: 0370-2693
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