Measurements Of Cp Violating Asymmetries And Branchingfractions In B Decays To Omegak And Omegapi

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Measurements Of Cp Violating Asymmetries And Branchingfractions In B Decays To Omegak And Omegapi

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Author : B. Aubert
language : en
Publisher:
Release Date : 2006

Measurements Of Cp Violating Asymmetries And Branchingfractions In B Decays To Omegak And Omegapi written by B. Aubert and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.

We present measurements of CP-violating asymmetries and branching fractions for the decays B{sup +} {yields} {omega}{pi}{sup +}, B{sup +} {yields} {omega}K{sup +}, and B{sup 0} {yields} {omega}K{sup 0}. The data sample corresponds to 232 million B{bar B} pairs produced by e{sup +}e{sup -} annihilation at the {Upsilon}(4S) resonance. For the decay B{sup 0} {yields} {omega}K{sub s}{sup 0}, we measure the time-dependent CP-violation parameters S = 0.51{sub -0.39}{sup +0.35} {+-} 0.02, and C = -0.55{sub -0.26}{sup +0.28} {+-} 0.03. We also measure the branching fractions, in units of 10{sup -6}, {Beta}(B{sup +} {yields} {omega}{pi}{sup +}) = 6.1 {+-} 0.7 {+-} 0.4, {Beta}(B{sup +} {yields} {omega}K{sup +}) = 6.1 {+-} 0.6 {+-} 0.4, and {Beta}(B{sup 0} {yields} {omega}K{sup 0}) = 6.2 {+-} 1.0 {+-} 0.4, and charge asymmetries {Alpha}{sub ch}(B{sup +} {yields} {omega}{pi}{sup +}) = -0.01 {+-} 0.10 {+-} 0.01 and {Alpha}{sub ch}(B{sup +} {yields} {omega}K{sup +}) = 0.05 {+-} 0.09 {+-} 0.01.

Branching Fraction And P Violation Charge Asymmetry Measurements For B Meson Decays To Eta K Eta Pi Eta K Eta Pi Omega K And Omega Pi

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Author :
language : en
Publisher:
Release Date : 2007

Branching Fraction And P Violation Charge Asymmetry Measurements For B Meson Decays To Eta K Eta Pi Eta K Eta Pi Omega K And Omega Pi written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.

Measurements Of Cp Violating Asymmetries And Branching Fractions In B Meson Decays To Eta K

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Author :
language : en
Publisher:
Release Date : 2003

Measurements Of Cp Violating Asymmetries And Branching Fractions In B Meson Decays To Eta K written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.

Measurement Of Branching Fractions And Cp Violating Asymmetries In B Rho H

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Author :
language : en
Publisher:
Release Date : 2003

Measurement Of Branching Fractions And Cp Violating Asymmetries In B Rho H written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.

We present measurements of branching fractions and CP-violating asymmetries in B[sup 0][yields][rho][sup[+-]][pi][sup[-+]] and B[sup 0][yields][rho][sup -]K[sup+] decays. The results are obtained from a data sample of 88.9 x 10[sup 6][Upsilon](4S)[yields] B[bar B] decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. From a time-dependent maximum likelihood fit we measure the charge-averaged branching fractions[Beta](B[sup 0][yields][rho][sup[+-]][pi][sup[-+]])= (22.6[+-] 1.8 (stat)[+-] 2.2 (syst)) x 10[sup -6] and[Beta](B[sup 0][yields][rho][sup -]K[sup+])= (7.3[sub -1.2][sup+1.3][+-] 1.3) x 10[sup -6]; and the CP-violating charge asymmetries A[sub CP][sup[rho][pi]]= -0.18[+-] 0.08[+-] 0.03 and A[sub CP][sup[rho]K]= 0.28[+-] 0.17[+-] 0.08; the direct CP violation parameter C[sub[rho][pi]]= 0.36[+-] 0.18[+-] 0.04 and the mixing-induced CP violation parameter S[sub[rho][pi]]= 0.19[+-] 0.24[+-] 0.03; and the dilution parameters[Delta]C[sub[rho][pi]]= 0.28[sub -0.19][sup+0.18][+-] 0.04 and[Delta]S[sub[rho][pi]]= 0.15[+-] 0.25[+-] 0.03.

Measurements Of Branching Fractions And Time Dependent Cp Violating Asymmetries In B To Eta K Decays

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Author :
language : en
Publisher:
Release Date : 2005

Measurements Of Branching Fractions And Time Dependent Cp Violating Asymmetries In B To Eta K Decays written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.

Branching Fractions And Cp Violating Asymmetries In Radiative B Decays To Eta K Gamma

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Author :
language : en
Publisher:
Release Date : 2008

Branching Fractions And Cp Violating Asymmetries In Radiative B Decays To Eta K Gamma written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.

The authors present measurements of the CP-violation parameters S and C for the radiative decay B° →?K{sub S}°?; for B →?K? they also measure the branching fractions and for B →?K+? the time-integrated charge asymmetry?{sub ch}. The data, collected with the BABAR detector at the Stanford Linear Accelerator Center, represent 465 x 106 B{bar B} pairs produced in e+e− annihilation. The results are S = -0.18{sub -0.46}{sup +0.49} ± 0.12, C = -0.32{sub -0.39}{sup +0.40} ± 0.07,?(B° →?K°?) = (7.1{sub -2.0}{sup +2.1} ± 0.4) x 10−6,?(B+ →?K+?) = (7.7 ± 1.0 ± 0.4) x 10−6, and?{sub ch} = ( -9.0{sub -9.8}{sup +10.4} ± 1.4) x 10−2. The first error quoted is statistical and the second systematic.

Measurements Of Cp Violating Asymmetries And Branching Fractions In The Decays Of B Mesons To Charged Pions And Kaons At The Babar Detector

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Author : Morris Nicholas Danielson
language : en
Publisher:
Release Date : 2005

Measurements Of Cp Violating Asymmetries And Branching Fractions In The Decays Of B Mesons To Charged Pions And Kaons At The Babar Detector written by Morris Nicholas Danielson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.

Measurements Of Branching Fractions And Cp Violating Asymmetries In B0 Pi Pi K Pi K K Decays

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Author :
language : en
Publisher:
Release Date : 2003

Measurements Of Branching Fractions And Cp Violating Asymmetries In B0 Pi Pi K Pi K K Decays written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.

We present measurements of branching fractions and CP-violating asymmetries for neutral B meson decays to two-body final states of charged pions and kaons. The results are obtained from a data sample of about 88 million[Upsilon](4S)[yields] B[bar B] decays collected between 1999 and 2002 with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. From a time-independent fit we measure the charge-averaged branching fractions[Beta](B[sup 0][yields][pi][sup+][pi][sup -])= (4.7[+-] 0.6[+-] 0.2) x 10[sup -6] and[Beta](B[sup 0][yields] K[sup+][pi][sup -])= (17.9[+-] 0.9[+-] 0.7) x 10[sup -6], where the first uncertainty is statistical and the second is systematic; the 90% confidence level upper limit[Beta](B[sup 0][yields] K[sup+]K[sup -])

Measurement Of Cp Asymmetries And Branching Fractions In B0 Pi Pi B0 K Pi B0 Pi0 Pi0 B0 K0 Pi0 And Isospin Analysis Of B Pi Pi Decays

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Author :
language : en
Publisher:
Release Date : 2008

Measurement Of Cp Asymmetries And Branching Fractions In B0 Pi Pi B0 K Pi B0 Pi0 Pi0 B0 K0 Pi0 And Isospin Analysis Of B Pi Pi Decays written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.

The authors present preliminary results of improved measurements of the CP-violating asymmetries and branching fractions in the decays B° →??−, B° → K+?−, B° →?°?°, and B° → K°?°. This update includes all data taken at the?(4S) resonance by the BABAR experiment at the asymmetric PEP-II B-meson factory at SLAC, corresponding to 467 ± 5 million B{bar B} pairs. They find S{sub??} = -0.68 ± 0.10 ± 0.03, C{sub??} = -0.25 ± 0.08 ± 0.02,?{sub K{sub?}} = -0.107 ± 0.016{sub -0.004}, {sup +0.006}, C{sub?°?°} = -0.43 ± 0.26 ± 0.05,?(B° →?°?°) = (1.83 ± 0.21 ± 0.13) x 10−6,?(B° → K°?°) = (10.1 ± 0.6 ± 0.4) x 10−6, where the first error is statistical and the second is systematic. They observe CP violation with a significance of 6.7? in B° → {pi}− and 6.1? in B° → K+{pi}−. Constraints on the Unitarity Triangle angle? are determined from the isospin relation between all B → {pi}{pi} rates and asymmetries.

Measurements Of Branching Fractions And Cp Violating Asymmetries In B Meson Decays To Charmless Two Body States Containing A K Sup 0

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Author :
language : en
Publisher:
Release Date : 2004

Measurements Of Branching Fractions And Cp Violating Asymmetries In B Meson Decays To Charmless Two Body States Containing A K Sup 0 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.

The authors present measurements of branching fractions and CP-violating asymmetries in decays of B mesons to two-body final states containing a K[sup 0]. The results are based on a data sample of approximately 88 million [Upsilon](4S) [yields] B[bar B] decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC.