Observation of B{sub s}{sup 0}{yields}{psi}(2S){phi} and Measurement of the Ratio of Branching Fractions B(B{sub s}{sup 0}{yields}{psi}(2S){phi})/B(B{sub s}{sup 0}{yields}J/{psi}{phi})
Journal Article
·
· Physical Review Letters
- University of Illinois, Urbana, Illinois 61801 (United States)
- University of Florida, Gainesville, Florida 32611 (United States)
We report the first observation of B{sub s}{sup 0}{yields}{psi}(2S){phi} decay in pp collisions at {radical}(s)=1.96 TeV using 360 pb{sup -1} of data collected by the CDF II detector at the Fermilab Tevatron. We observe 20.2{+-}5.0 and 12.3{+-}4.1 B{sub s}{sup 0}{yields}{psi}(2S){phi} candidates, in {psi}(2S){yields}{mu}{sup +}{mu}{sup -} and {psi}(2S){yields}J/{psi}{pi}{sup +}{pi}{sup -} decay modes, respectively. We present a measurement of the relative branching fraction B(B{sub s}{sup 0}{yields}{psi}(2S){phi})/B(B{sub s}{sup 0}{yields}J/{psi}{phi})=0.52{+-}0.13(stat){+-}0.04= (syst){+-}0.06(BR) using the {psi}(2S){yields}{mu}{sup +}{mu}{sup -} decay mode.
- OSTI ID:
- 20775273
- Journal Information:
- Physical Review Letters, Vol. 96, Issue 23; Other Information: DOI: 10.1103/PhysRevLett.96.231801; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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