Abstract: The first measurement of decay-time-dependent CP asymmetries in the decay Bs0 → J/ψKS0 and an updated measurement of the ratio of branching fractions ℬ(formula presented.)→J/ψ(formula presented.)$$ \mathrm\mathcalB\left(B_\mathrms^0\to J/\psiK_\mathrmS^0\right)/\mathrm\mathcalB\left(B^0\to J/\psi K_\mathrmS^0\right) $$ is measured to be0.0431±0.0017stat±0.0012syst±0.0025fs/fd,$$ 0.0431\pm 0.0017\left(\mathrmstat\right)\pm 0.0012\left(\mathrmsyst\right)\pm 0.0025\left(f_s/f_d\right), $$where the last uncertainty is due to the knowledge of the Bs0 and B0 production fractions.[Figure not available: see fulltext.] © 2015, The Author(s).
Measurement of the time-dependent CP asymmetries in Bs0→ J/ψKS0
PALANO, Antimo;PAPPAGALLO, MARCO IGNAZIO;
2015-01-01
Abstract
Abstract: The first measurement of decay-time-dependent CP asymmetries in the decay Bs0 → J/ψKS0 and an updated measurement of the ratio of branching fractions ℬ(formula presented.)→J/ψ(formula presented.)$$ \mathrm\mathcalB\left(B_\mathrms^0\to J/\psiK_\mathrmS^0\right)/\mathrm\mathcalB\left(B^0\to J/\psi K_\mathrmS^0\right) $$ is measured to be0.0431±0.0017stat±0.0012syst±0.0025fs/fd,$$ 0.0431\pm 0.0017\left(\mathrmstat\right)\pm 0.0012\left(\mathrmsyst\right)\pm 0.0025\left(f_s/f_d\right), $$where the last uncertainty is due to the knowledge of the Bs0 and B0 production fractions.[Figure not available: see fulltext.] © 2015, The Author(s).I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.