Observation of B0 Meson Decay to a1±(1260)π∓

Aubert, B. et al. (2006) Observation of B0 Meson Decay to a1±(1260)π∓. Physical Review Letters, 97 (5). 051802. ISSN 0031-9007

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Abstract

We present a measurement of the branching fraction of the decay B0→a1±(1260)π∓ with a1±(1260)→π∓π±π±. The data sample corresponds to 218×106 BB̅ pairs produced in e+e- annihilation through the Υ(4S) resonance. We measure the branching fraction B(B0→a1±(1260)π∓)B(a1±(1260)→π∓π±π±)=(16.6±1.9±1.5)×10-6, where the first error quoted is statistical and the second is systematic.

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URI:

https://eprints.hud.ac.uk/id/eprint/10067

URI:

https://eprints.hud.ac.uk/id/eprint/10067

Title:

Observation of B0 Meson Decay to a1±(1260)π∓

Creators:

Aubert, B. et al.

Identification Number:

https://doi.org/10.1103/PhysRevLett.97.051802

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