Study of the B- --> J/psi K- pi+ pi- Decay and Measurement of the B- --> X(3872) K- Branching Fraction.

Aubert, B.

Technical Information Center Oak Ridge Tennessee

关键词: Decay;    Branching ratio;    Measurement;    Resonance;    Storage rings;   

RP-ID  :  DE2004826959

学科分类：工程和技术（综合）

美国|英语

来源: National Technical Reports Library

【 摘 要 】

The authors study the decay B(sup -) (yields) J/(psi)K(sup -)(pi)(sup +)(pi)(sup -) using 117 million B(bar B) events collected at the (Upsilon)(4S) resonance with the BaBar detector at the PEP-II e(sup +)e(sup -) asymmetric-energy storage ring.