tau tau decay > 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.
