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A Dalitz plot analysis of approximately 13000 Ds+ decays to π+π-π+ has been performed. The analysis uses a 384 fb-1 data sample recorded by the BABAR detector at the PEP-II asymmetric-energy e+e- storage ring running at center of mass energies near 10.6 GeV. Amplitudes and phases of the intermediate resonances which contribute to this final state are measured. A high precision measurement of the ratio of branching fractions is performed: B(Ds+→π+π-π+)/B(Ds+→K+K-π+)=0.199±0.004±0. 009. Using a model-independent partial wave analysis, the amplitude and phase of the S wave have been measured.

(2009). Dalitz plot analysis of Ds+→π+π-π+. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 79(3) [10.1103/PhysRevD.79.032003].

Dalitz plot analysis of Ds+→π+π-π+

CARPINELLI, Massimo;
2009

Abstract

A Dalitz plot analysis of approximately 13000 Ds+ decays to π+π-π+ has been performed. The analysis uses a 384 fb-1 data sample recorded by the BABAR detector at the PEP-II asymmetric-energy e+e- storage ring running at center of mass energies near 10.6 GeV. Amplitudes and phases of the intermediate resonances which contribute to this final state are measured. A high precision measurement of the ratio of branching fractions is performed: B(Ds+→π+π-π+)/B(Ds+→K+K-π+)=0.199±0.004±0. 009. Using a model-independent partial wave analysis, the amplitude and phase of the S wave have been measured.
Articolo in rivista - Articolo scientifico
Scientifica
BABAR detector
English
WOS:000263816600009
2-s2.0-61949109157
(BABAR Collaboration)
(2009). Dalitz plot analysis of Ds+→π+π-π+. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 79(3) [10.1103/PhysRevD.79.032003].
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/10281/389447
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