Using 385fb-1 of e+e- collisions, we study the amplitudes of the singly Cabibbo-suppressed decay D0→K-K+π0. We measure the strong phase difference between the D̄0 and D0 decays to K*(892)+K- to be -35.5°±1.9°(stat)±2.2°(syst), and their amplitude ratio to be 0.599±0.013(stat)±0.011(syst). We observe contributions from the Kπ and K-K+ scalar and vector amplitudes, and analyze their angular moments. We find no evidence for charged κ, nor for higher spin states. We also perform a partial-wave analysis of the K-K+ system in a limited mass range.

Aubert, B., Bona, M., Boutigny, D., Karyotakis, Y., Lees, J., Poireau, V., et al. (2007). Amplitude analysis of the decay D0→K-K+π0. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 76(1) [10.1103/PhysRevD.76.011102].

Amplitude analysis of the decay D0→K-K+π0

CARPINELLI, Massimo;
2007

Abstract

Using 385fb-1 of e+e- collisions, we study the amplitudes of the singly Cabibbo-suppressed decay D0→K-K+π0. We measure the strong phase difference between the D̄0 and D0 decays to K*(892)+K- to be -35.5°±1.9°(stat)±2.2°(syst), and their amplitude ratio to be 0.599±0.013(stat)±0.011(syst). We observe contributions from the Kπ and K-K+ scalar and vector amplitudes, and analyze their angular moments. We find no evidence for charged κ, nor for higher spin states. We also perform a partial-wave analysis of the K-K+ system in a limited mass range.
Articolo in rivista - Articolo scientifico
Physics
English
B. Aubert et al. (BABAR Collaboration)
Aubert, B., Bona, M., Boutigny, D., Karyotakis, Y., Lees, J., Poireau, V., et al. (2007). Amplitude analysis of the decay D0→K-K+π0. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 76(1) [10.1103/PhysRevD.76.011102].
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