Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-04-03
Phys.Rev.Lett.81:4067-4070,1998
Physics
High Energy Physics
High Energy Physics - Phenomenology
Version to appear in Physical Review Letters
Scientific paper
10.1103/PhysRevLett.81.4067
A natural procedure is presented to measure the angle $\gamma$ from the decay $B^{\pm} \to \pi^{\pm}\pi^+\pi^-$. It is based in the Dalitz plot fitting analysis. Neither amplitudes nor strong phases have to be known a priori. We present simulations of this decay computing both statistical and theoretical uncertainties and analyze the experimental feasibility. We found that $\gamma$ could be measured with a combined error of the order of 20$^o$ with 90% of CL after about a couple of years of running of the first generation of B factories.
Bediaga Ignacio
Blanco R. E.
Gobel Carla
Méndez--Galain R.
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