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Measurement Of Branching Fractions And Cp Violating Asymmetries In B Rho H
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Book Synopsis Measurement of Branching Fractions and CP-Violating Asymmetries in B -] Rho+/-h-/ by :
Download or read book Measurement of Branching Fractions and CP-Violating Asymmetries in B -] Rho+/-h-/ written by and published by . This book was released on 2003 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present measurements of branching fractions and CP-violating asymmetries in B° 2![rho]{sup ±}[pi]{sup {-+}} and B° 2![rho]−K decays. The results are obtained from a data sample of 88.9 x 106 [Upsilon](4S) 2!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° 2![rho]{sup ±}[pi]{sup {-+}}) = (22.6 ± 1.8 (stat) ± 2.2 (syst)) x 10−6 and [Beta](B° 2![rho]−K) = (7.3{sub -1.2}{sup +1.3} ± 1.3) x 10−6; 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.
Book Synopsis A Measurement of the Branching Fractions and CP Asymmetries of the Decays B± 2!K*±[pi]0 and B± 2![rho]±[pi]0 at BaBar by :
Download or read book A Measurement of the Branching Fractions and CP Asymmetries of the Decays B± 2!K*±[pi]0 and B± 2![rho]±[pi]0 at BaBar written by and published by . This book was released on 2005 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurements of the branching fractions (average over charge-conjugate decays), B, and CP violating asymmetries, ACP, of the decays B± → K*±[pi]0 and B± → [rho]±[pi]0 are presented.
Book Synopsis Study of Branching Fractions and CP-violating Asymmetries in B Meson Decays to Rho and Pion Final States with the BABAR Detector by : Jinwei Wu
Download or read book Study of Branching Fractions and CP-violating Asymmetries in B Meson Decays to Rho and Pion Final States with the BABAR Detector written by Jinwei Wu and published by . This book was released on 2005 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurements of the Branching Fraction and CP-Violating Asymmetries of B°--] K°s[pi]° Decays by :
Download or read book Measurements of the Branching Fraction and CP-Violating Asymmetries of B°--] K°s[pi]° Decays written by and published by . This book was released on 2004 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Кинословарь в 2 томач written by and published by . This book was released on 1966 with total page 975 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurements of Branching Fractions, Polarizations, and Direct CP-violation Asymmetries in B -] Rho0 K* and B -] F0(980) K* Decays by :
Download or read book Measurements of Branching Fractions, Polarizations, and Direct CP-violation Asymmetries in B -] Rho0 K* and B -] F0(980) K* Decays written by and published by . This book was released on 2011 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present measurements of the branching fractions, longitudinal polarization, and direct CP-violation asymmetries for the decays B →?°K*+ and B+ f0(980)K*+ with a sample of (467 ± 5) x 106 B{bar B} pairs collected with the BABAR detector at the PEP-II asymmetric-energy e+e− collider at the SLAC National Accelerator Laboratory. We observe B+ →?°K*+ with a significance of 5.3? and measure the branching fraction?(B+ →?°K*+) = (4.6 ± 1.0 ± 0.4) x 10−6, the longitudinal polarization f{sub L} = 0.78 ± 0.12 ± 0.03, and the CP-violation asymmetry A{sub CP} = 0.31 ± 0.13 ± 0.03. We observe B+ → f0(980)K*+ and measure the branching fraction?(B+ → f0(980)K*+) x?(f0(980) →?+?−) = (4.2 ± 0.6 ± 0.3) x 10−6 and the CP-violation asymmetry A{sub CP} = -0.15 ± 0.12 ± 0.03. The first uncertainty quoted is statistical and the second is systematic.
Book Synopsis Measurements of CP-Violating Asymmetries and BranchingFractions in B Decays to OmegaK and OmegaPi by : B. Aubert
Download or read book Measurements of CP-Violating Asymmetries and BranchingFractions in B Decays to OmegaK and OmegaPi written by B. Aubert and published by . This book was released on 2006 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Measurement of the Branching Fractions and CP Violating Asymmetries of Charmless Hadronic B Decays -> K*pi at BaBar by : Nicole Isabelle Chevalier
Download or read book Measurement of the Branching Fractions and CP Violating Asymmetries of Charmless Hadronic B Decays -> K*pi at BaBar written by Nicole Isabelle Chevalier and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 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 by :
Download or read book 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 published by . This book was released on 2008 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Measurement of the Branching Fractions and CP Violating Asymmetries of Charmless Hadronic B Decays B [to] K*[pi] at BaBar by :
Download or read book Measurement of the Branching Fractions and CP Violating Asymmetries of Charmless Hadronic B Decays B [to] K*[pi] at BaBar written by and published by . This book was released on 2002 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Branching Fractions and CP-Violating Asymmetries in Radiative B Decays to Eta K Gamma by :
Download or read book Branching Fractions and CP-Violating Asymmetries in Radiative B Decays to Eta K Gamma written by and published by . This book was released on 2008 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Dedham Library Scrapbook, 1972-1980 by :
Download or read book Dedham Library Scrapbook, 1972-1980 written by and published by . This book was released on 1972 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Branching Fractions and CP Asymmetries in B ---] H+ Hh'- by : Giovanni Punzi
Download or read book Branching Fractions and CP Asymmetries in B ---] H+ Hh'- written by Giovanni Punzi and published by . This book was released on 2005 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 -}).
Book Synopsis Measurement of Branching Fractions and CP-Violating Asymmetries in B0 {u2192} K0$\bar{K}$0 and B+ to $\bar{K}$0K+ Decays at the BaBar Experiment by :
Download or read book Measurement of Branching Fractions and CP-Violating Asymmetries in B0 {u2192} K0$\bar{K}$0 and B+ to $\bar{K}$0K+ Decays at the BaBar Experiment written by and published by . This book was released on 2007 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last few years, the B factories have established the Cabbibo-Kobayashi-Maskawa mechanism of CP violation in the Standard Model through the study of the decays of B mesons. The focus of Belle and BaBar has now expanded to the search for signatures of new physics beyond the Standard Model, particularly through examination of flavor-changing neutral-current transitions, which proceed through diagrams involving virtual loops. These decays are suppressed in the Standard Model, increasing sensitivity to new-physics effects but decreasing branching fractions. Exploiting large and growing datasets, BaBar and Belle have made many measurements in loop decays where a b quark transitions to an s quark, observing hints of possible deviations from Standard Model expectations in CP-violating measurements.
Book Synopsis Measurements of Branching Fraction Ratios and CP-asymmetries in Suppressed B-2!D(2!K+[pi]- )K- and B-2!D(2!K+[pi]- )[pi]- Decays by :
Download or read book Measurements of Branching Fraction Ratios and CP-asymmetries in Suppressed B-2!D(2!K+[pi]- )K- and B-2!D(2!K+[pi]- )[pi]- Decays written by and published by . This book was released on 2011 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: We report the first reconstruction in hadron collisions of the suppressed decays B-2!D(2!K+[pi]- )K- and B-2!D(2!K+[pi]- )[pi]- decays, sensitive to the CKM phase [gamma], using data from 7 fb-1 of integrated luminosity collected by the CDF II detector at the Tevatron collider. We reconstruct a signal for the B-2!D(2!K+[pi]- )K- suppressed mode with a significance of 3.2 standard deviations, and measure the ratios of the suppressed to favored branching fractions R(K) = [22.0 " 8.6(stat) " 2.6(syst)] x 10-3, R+(K) = [42.6 " 13.7(stat) " 2.8(syst)] x 10-3, R-(K) = [3.8 " 10.3(stat) " 2.7(syst)] x 10-3 as well as the direct CP-violating asymmetry A(K) = -0.82"0.44(stat)"0.09(syst) of this mode. Corresponding quantities for B- 2!D(2!K+[pi]- )[pi]- decay are also reported.
Book Synopsis Measurement of the Branching Fraction, Polarization, and CP Asymmetries in B0-]rho0rho0 Decay, and Implications for the CKM Angle Alpha by :
Download or read book Measurement of the Branching Fraction, Polarization, and CP Asymmetries in B0-]rho0rho0 Decay, and Implications for the CKM Angle Alpha written by and published by . This book was released on 2008 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: We study B° 2![rho]°[rho]° decays in a sample of 465 x 106 [Upsilon](4S) 2!B{bar B} events collected with the BABAR detector at the PEP-II asymmetric-energy ee− collider located at the Stanford Linear Accelerator Center (SLAC). We measure the branching fraction [Beta] = (0.92 ± 0.32 ± 0.14) x 10−6 and longitudinal polarization fraction f{sub L} = 0.75{sub -0.14}{sup +0.11} ± 0.04, where the first uncertainty is statistical and the second is systematic. The evidence for the B° 2![rho]°[rho]° signal has a significance of 3.1 standard deviations, including systematic uncertainties. We investigate the proper-time dependence of the longitudinal component in the decay and measure the CP-violating coefficients S{sub L}°° = (0.3 ± 0.7 ± 0.2) and C{sub L}°° = (0.2 ± 0.8 ± 0.3). They study the implication of these results for the unitarity triangle angle [alpha].
Book Synopsis Measurements of the Branching Fraction and CP-Violation Asymmetries in B0-]f0(980)Ks by :
Download or read book Measurements of the Branching Fraction and CP-Violation Asymmetries in B0-]f0(980)Ks written by and published by . This book was released on 2004 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present measurements of the branching fraction and CP-violating asymmetries in the decay B° → f0(980)K{sub S}°. The results are obtained from a data sample of 123 x 106?(4S) → B{bar B} decays. From a time-dependent maximum likelihood fit they measure the branching fraction?(B° → f0(980)(→??°)K°) = (6.0 ± 0.9 ± 0.6 ± 1.2) x 10−6, the mixing-induced CP violation parameter S = 1.62{sub -0.51}{sup +0.56} ± 0.09 ± 0.04 and the direct CP violation parameter C = 0.27 ± 0.36 ± 0.10 ± 0.07, where the first errors are statistical, the second systematic and the third due to model uncertainties. They measure the f0(980) mass and width to be m{sub f{sub 0(980)}} = (980.6 ± 4.1 ± 0.5 ± 4.0) MeV/c2 and?{sub f{sub 0(980)}} = (43−9{sup +12} ± 3 ± 9) MeV/c2, respectively.
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