Measurements Of Branching Fractions In B 2 Phi K And B 2 Phi Pi And Search For Direct Cp Violation In B Sup 2 Phi K Sup
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Measurements of Branching Fractions in B 2![phi]K and B 2![phi][pi] and Search for Direct CP Violation in B{sup {+-}} 2![phi]K{sup {+-}}
![Measurements of Branching Fractions in B 2![phi]K and B 2![phi][pi] and Search for Direct CP Violation in B{sup {+-}} 2![phi]K{sup {+-}}](https://library.ardhindie.com/contents/assets/images/blank.png){kind=small}
The authors present measurements of branching fractions in the b 2!s{bar s}s penguin-dominated decays B 2![phi]K and B° 2![phi]K° in a sample of approximately 89 million B{bar B} pairs collected by the BABAR detector at the PEP-II asymmetric-energy B-meson Factory at SLAC. They determine [Beta](B+ 2![phi]K+) = (10.0{sub -0.8}{sup +0.9} ± 0.5) x 10−6 and [Beta](B° 2![phi]K°) = (8.4{sub -1.3}{sup +1.5} ± 0.5) x 10−6. Additionally, they measure the CP-violating charge asymmetry [Alpha]{sub CP}(B{sup ±} 2![phi]K{sup ±}) = 0.04 {+-} 0.09 {+-} 0.01, with a 90% confidence-level interval of [-0.10, 0.18], and set an upper limit on the CKM- and color-suppressed decay B+ 2![phi][pi]+, [Beta](B+ 2![phi][pi]+)
Branching Fractions in B -] Phi H and Search for Direct CP Violation in B+ -] Phi K
The authors present preliminary measurements of branching fractions of the b 2!s{bar s}s penguin-dominated decays B{sup ±} 2![phi]K{sup ±} and B° 2![phi]K° in a sample of approximately 89 million B{bar B} pairs collected by the BABAR detector at the PEP-II asymmetric-energy B-meson Factor at SLAC. They determine [Beta](B{sup ±} 2![phi]K{sup ±}) = (10.0{sub -0.8}{sup +0.9}(stat.) {+-} 0.5(syst.)) x 10−6 and [Beta](B° 2![phi]K°) = (7.6{sub -1.2}{sup +1.3}(stat.) {+-} 0.5(syst.)) x 10−6. Additionally, they measure the charge asymmetry [Alpha]{sub CP}(B{sup {+-}} 2![phi]K{sup {+-}}) = 0.039 {+-} 0.086(stat.) {+-} 0.011(syst.) and set an upper limit on the CKM- and color-suppressed decay B{sup {+-}} 2![phi][pi]{sup {+-}}, [Beta](B{sup {+-}} 2![phi][pi]{sup {+-}})
Measurements of Branching Fractions in B[yields][phi]K and B[yields][phi][pi] and Search for Direct CP Violation in B[sup[+-][yields][phi]K[sup[+-].
The authors present measurements of branching fractions in the b[yields] s[bar s]s penguin-dominated decays B[sup+][yields][phi]K[sup+] and B[sup 0][yields][phi]K[sup 0] in a sample of approximately 89 million B[bar B] pairs collected by the BABAR detector at the PEP-II asymmetric-energy B-meson Factory at SLAC. They determine[Beta](B[sup+][yields][phi]K[sup+])= (10.0[sub -0.8][sup+0.9][+-] 0.5) x 10[sup -6] and[Beta](B[sup 0][yields][phi]K[sup 0])= (8.4[sub -1.3][sup+1.5][+-] 0.5) x 10[sup -6]. Additionally, they measure the CP-violating charge asymmetry[Alpha][sub CP](B[sup[+-]][yields][phi]K[sup[+-]])= 0.04[+-] 0.09[+-] 0.01, with a 90% confidence-level interval of[-0.10, 0.18], and set an upper limit on the CKM- and color-suppressed decay B[sup+][yields][phi][pi][sup+], [Beta](B[sup+][yields][phi][pi][sup+])