Measurements Of Branching Fractions In Byieldsphik And Byieldsphipi And Search For Direct Cp Violation In Bsup Yieldsphiksup PDF Download

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Branching Fractions in B -] Phi H and Search for Direct CP Violation in B+ -] Phi K

Branching Fractions in B -] Phi H and Search for Direct CP Violation in B+ -] Phi K
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Release: 2003
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The authors present preliminary measurements of branching fractions of 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 Factor at SLAC. They determine[Beta](B[sup[+-]][yields][phi]K[sup[+-]])= (10.0[sub -0.8][sup+0.9](stat.)[+-] 0.5(syst.)) x 10[sup -6] and[Beta](B[sup 0][yields][phi]K[sup 0])= (7.6[sub -1.2][sup+1.3](stat.)[+-] 0.5(syst.)) x 10[sup -6]. Additionally, they measure the charge asymmetry[Alpha][sub CP](B[sup[+-]][yields][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[+-]][yields][phi][pi][sup[+-]], [Beta](B[sup[+-]][yields][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[+-].

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[+-].
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Release: 2003
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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+])

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 {+-}}
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Total Pages: 5
Release: 2003
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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 and Direct CP Violation in B -] PP(PV) Decays

Branching Fractions and Direct CP Violation in B -] PP(PV) Decays
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Release: 2004
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I present the results of searches for B meson decays into two charmless mesons. I take into account final states made up of two pseudo-scalar (PP) or one pseudo-scalar and one vector (PV). The measurements use the data samples collected and analyzed by the B-factory experiments at the [Upsilon](4S) resonance energy: BABAR, Belle and CLEO.

Measurement of Branching Fractions and CP Violation in B -] NcK and Observation of B" -] PpK."

Measurement of Branching Fractions and CP Violation in B -] NcK and Observation of B
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We report measurements of branching fractions for charged and neutral B -> ncK decays, and determine the nc mass and width. The results are based on an analysis of 29.1 fb-1 of data collected by the Belle detector at KEKB. We also report a measurement of the CP violation parameter sin©ı1) ימ 0ֶ ־> מד0ּף גבףוה ןמ במ במבלשףיף ןז ב 78 זג־1 ןז הבפב ףבםנלו. �ו עונןעפ פטו ןגףועצבפיןמ ןז פטו הודבש םןהו ״ֶ־־> ננ״ּ גבףוה ןמ במ במבלשףיף ןז 29.4 זג ־1 ןז הבפב דןללודפוה גש פטו וֶללו הופודפןע בפ .ֶֹּּ �טיף יף פטו זיעףפ ורבםנלו ןז ב ג ־> ף פעבמףיפיןמ קיפט גבעשןמף ימ פטו זימבל ףפבפו. �טו ננ םבףף ףנודפעץם ימ פטיף הודבש יף ימדןמףיףפומפ קיפט נטבףו ףנבדו במה יף נובכוה בפ לןק םבףף. �טו געבמדטימח זעבדפיןמ זןע פטיף הודבש יף םובףץעוה פן גו ֶ" -> ppK") = ڃڋٽۋۍڲۍڀچڃچ ڂڅڃڍپ ٲ څڃډٽۋ�ۋۍپپ ۓ چڅڂڊڃ ڨڶ ڲڹۋۄ ۊڶۅۄۊۍ ێۅۅڶۊ ڹڻھڻۍۋ ڷۄۊ ۍںڶ ڵڶڴڲ�ۋ ږڅ ڂڒ ۅۅڞۋ ڲۀڵ ږٲ ڂڒ ۅۅ�€ڃٲ

Branching Fractions and CP Asymmetries in B ---] H+ Hh'-

Branching Fractions and CP Asymmetries in B ---] H+ Hh'-
Author: Giovanni Punzi
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Total Pages: 5
Release: 2005
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Relative branching fractions of B{sub d, s} {yields} h{sup +}h'{sup -} decays (where h, h' = K or {pi}) and direct CP asymmetry in B{sub d} {yields} K{sup +}{pi}{sup -} have been measured with 180 pb{sup -1} of data collected by the CDFII detector at the Tevatron collider. This includes the first BR measurement of a charmless B{sub s} {yields} PP decay (B{sub s} {yields} K{sup +}K{sup -}).