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Phys Rev Lett
; 84(7): 1393-7, 2000 Feb 14.
Article
de Anglais
| MEDLINE
| ID: mdl-11017526
RÉSUMÉ
We present the first observation of the decay B-->J/psistraight phiK. Using 9.6x10(6) B&Bmacr; meson pairs collected with the CLEO detector, we have observed ten fully reconstructed B-->J/psistraight phiK candidates, whereas the estimated background is 0.5+/-0.2 event. We obtain a branching fraction of B(B-->J/psistraight phiK) = (8. 8(+3.5)(-3.0)[stat]+/-1.3[syst])x10(-5). This is the first observed B meson decay requiring the creation of an additional s&smacr; quark pair.
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Phys Rev D Part Fields
; 54(7): 4211-4220, 1996 Oct 01.
Article
de Anglais
| MEDLINE
| ID: mdl-10021104
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Phys Rev D Part Fields
; 53(3): 1039-1050, 1996 Feb 01.
Article
de Anglais
| MEDLINE
| ID: mdl-10020097
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Phys Rev D Part Fields
; 53(3): R1013-R1017, 1996 Feb 01.
Article
de Anglais
| MEDLINE
| ID: mdl-10020167
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Phys Rev D Part Fields
; 52(5): 2661-2672, 1995 Sep 01.
Article
de Anglais
| MEDLINE
| ID: mdl-10019483
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Phys Rev D Part Fields
; 51(5): 2053-2060, 1995 Mar 01.
Article
de Anglais
| MEDLINE
| ID: mdl-10018676
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