The branching fractions for charmless decays of B mesons into the three-body final states B0→K+K-K 0 and B+K0 sK0 s was measured. It was found that the branching fractions and CP asymmetries were extracted in unbinned extended maximum likelihood fits. It was found that the K+K-K0 S final state was dominated by a CP-enev component. The contributions from the signal reconstruction efficiency and form the modeling of the efficiency variation over the space was included to measure systematic uncertainities in the branching fraction.

Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J., Hicheur, A., et al. (2004). Branching fractions and CP asymmetries in B0 → K +K-Ks 0 and B- → K+Ks 0Ks 0. PHYSICAL REVIEW LETTERS, 93(18), 1-7 [10.1103/PhysRevLett.93.181805].

Branching fractions and CP asymmetries in B0 → K +K-Ks 0 and B- → K+Ks 0Ks 0

CARPINELLI, Massimo;
2004

Abstract

The branching fractions for charmless decays of B mesons into the three-body final states B0→K+K-K 0 and B+K0 sK0 s was measured. It was found that the branching fractions and CP asymmetries were extracted in unbinned extended maximum likelihood fits. It was found that the K+K-K0 S final state was dominated by a CP-enev component. The contributions from the signal reconstruction efficiency and form the modeling of the efficiency variation over the space was included to measure systematic uncertainities in the branching fraction.
Articolo in rivista - Articolo scientifico
Correlation methods; Error analysis; Measurement theory; Photons; Probability density function; Protons; Sensitivity analysis; Gaussian distributions; Isospin analysis; Rest of the event (ROE); Standard deviations; High energy physics;
English
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B. Aubert et al. (BABAR Collaboration)
Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J., Hicheur, A., et al. (2004). Branching fractions and CP asymmetries in B0 → K +K-Ks 0 and B- → K+Ks 0Ks 0. PHYSICAL REVIEW LETTERS, 93(18), 1-7 [10.1103/PhysRevLett.93.181805].
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