Measurements of the masses and widths of the (2455) and (2520) baryons
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The reactions γ γ → π+ π- π+ π- and γ γ → π+ π0 π- π0 are studied with the L3 detector at LEP in a data sample collected at centre-of-mass energies from 161 GeV to 209 GeV with a total integrated luminosity of 698 pb-1. A spin-parity-helicity analysis of t ...
We report an improved measurement of the partial-rate CP asymmetry in B±→K0π± decays. The analysis is based on a data sample of 85×106 BB̄ pairs collected at the Y(4S) resonance with the Belle detector at the KEKB e +e- storage ring. We measure ACP(K 0π±) ...