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Measurement Of Branching Fractions Of Color Suppressed Decays Of The Bar B Meson To D D D And D
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Book Synopsis Measurement of Branching Fractions of Color-Suppressed Decays of the {bar B}° Meson to D(*)°?°, D(*)°?, D(*)°? and D°???????? by :
Download or read book Measurement of Branching Fractions of Color-Suppressed Decays of the {bar B}° Meson to D(*)°?°, D(*)°?, D(*)°? and D°???????? written by and published by . This book was released on 2003 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of Branching Fractions of Color-Suppressed Decays of the [bar B][sup 0] Meson to D(*)[sup 0][pi][sup 0], D(*)[sup 0][eta], D(*)[sup 0][omega] and D[sup 0][eta][prime]. by :
Download or read book Measurement of Branching Fractions of Color-Suppressed Decays of the [bar B][sup 0] Meson to D(*)[sup 0][pi][sup 0], D(*)[sup 0][eta], D(*)[sup 0][omega] and D[sup 0][eta][prime]. written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: No abstract prepared.
Book Synopsis Measurement of Branching Fractions of Color-Suppressed Decays of the {bar B}{sup 0} Meson to D(*){sup 0}{pi}{sup 0}, D(*){sup 0}{eta}, D(*){sup 0}{omega} and D{sup 0}{eta}{prime} by : V. TISSERAND
Download or read book Measurement of Branching Fractions of Color-Suppressed Decays of the {bar B}{sup 0} Meson to D(*){sup 0}{pi}{sup 0}, D(*){sup 0}{eta}, D(*){sup 0}{omega} and D{sup 0}{eta}{prime} written by V. TISSERAND and published by . This book was released on 2003 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Branching Fraction Measurements of the Color-Suppressed Decays B0bar to D(*)0 Pi0, D(*)0 Eta, D(*)0 Omega, and D(*)0 Eta_prime and Measurement of the Polarization in the Decay B0bar to D*0 Omega by :
Download or read book Branching Fraction Measurements of the Color-Suppressed Decays B0bar to D(*)0 Pi0, D(*)0 Eta, D(*)0 Omega, and D(*)0 Eta_prime and Measurement of the Polarization in the Decay B0bar to D*0 Omega written by and published by . This book was released on 2012 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: We report updated branching fraction measurements of the color-suppressed decays {bar B}° → D°?°, D*°?°, D°?, D*°?, D°?, D*°?, D°?', and D*°?'. We measure the branching fractions (x10−4):?({bar B}° → D°?°) = 2.69 ± 0.09 ± 0.13,?({bar B}° → D*°?°) = 3.05 ± 0.14 ± 0.28,?({bar B}° → D°?) = 2.53 ± 0.09 ± 0.11,?({bar B}° → D*°?) = 2.69 ± 0.14 ± 0.23,?({bar B}° → D°?) = 2.57 ± 0.11 ± 0.14,?({bar B}° → D*°?) = 4.55 ± 0.24 ± 0.39,?({bar B}° → D°?') = 1.48 ± 0.13 ± 0.07, and?({bar B}° → D*°?') = 1.49 ± 0.22 ± 0.15. We also present the first measurement of the longitudinal polarization fraction of the decay channel D*°?, f{sub L} = (66.5 ± 4.7 ± 1.5)%. In the above, the first uncertainty is statistical and the second is systematic. The results are based on a sample of (454 ± 5) x 106 B{bar B} pairs collected at the?(4S) resonance, with the BABAR detector at the PEP-II storage rings at SLAC. The measurements are the most precise determinations of these quantities from a single experiment. They are compared to theoretical predictions obtained by factorization, Soft Collinear Effective Theory (SCET) and perturbative QCD (pQCD). We find that the presence of final state interactions is favored and the measurements are in better agreement with SCET than with pQCD.
Book Synopsis 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 {+-}} by :
Download or read book 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 {+-}} written by and published by . This book was released on 2003 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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]+)
Book Synopsis MEASUREMENT OF THE BRANCHING FRACTIONS FOR THE DECAYS B[sup 0]--]D*[sup -] P[bar P][pi][sup +], B[sup 0]--]D[sup -]p[bar P][pi][sup +], B0--]D*[sup 0] P[bar P] AND B[sup 0]--]D[sup 0] P[bar P]. by :
Download or read book MEASUREMENT OF THE BRANCHING FRACTIONS FOR THE DECAYS B[sup 0]--]D*[sup -] P[bar P][pi][sup +], B[sup 0]--]D[sup -]p[bar P][pi][sup +], B0--]D*[sup 0] P[bar P] AND B[sup 0]--]D[sup 0] P[bar P]. written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The B[sup 0] meson decay modes B[sup 0] --> D*[sup -]p[bar p][pi][sup +], D[sup -]p[bar p][sup +], [bar D]*[sup 0]p[bar p], and B[sup 0] --> [bar D][sup 0]p[bar p] are studied in a sample of 124 x 10[sup 6] B[bar B] pairs collected with the BABAR detector at the PEP-II collider. The decay of B[sup 0] --> D[sup -]p[bar p][pi][sup +] is observed for the first time, with a measured branching fraction B(B[sup 0] --> D[sup -]p[bar p][pi][sup +]) = (3.80 [+-] 0.35 [+-] 0.46) x 10[sup -4]. The following branching fractions are also determined: B(B[sup 0] --> D*[sup -]p[bar p][pi][sup +]) = (5.61 [+-] 0.59 [+-] 0.73) x 10[sup -4], B(B[sup 0] --> [bar D]*[sup 0] p[bar p]) = (0.67 [+-] 0.21 [+-] 0.09) x 10[sup -4], and B(B[sup 0] --> [bar D][sup 0]p[bar p]) = (1.24 [+-] 0.14 [+-] 0.12) x 10[sup -4]. In each decay mode the invariant mass spectra of the charmed mesons and the baryons are compared with a pure phase-space hypothesis in order to gain insight into the B meson decay dynamics. In particular, the Dalitz plots of [bar D]*[sup 0]p versus [bar D]*[sup 0][bar p] for B[sup 0] --> [bar D]*[sup 0]p[bar p] and of [bar D][sup 0]p versus [bar D][sup 0][bar p] for B[sup 0] --> [bar D][sup 0]p[bar p] are presented. All results are preliminary.
Book Synopsis Branching Fraction Measurement of B0 to D(*)-pi+and B- to D(*)0pi+ and Isospin Analyses of B to D(*)pi Decays by : B. Aubert
Download or read book Branching Fraction Measurement of B0 to D(*)-pi+and B- to D(*)0pi+ and Isospin Analyses of B to D(*)pi Decays written by B. Aubert and published by . This book was released on 2006 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using 65 million {Upsilon}(4S) {yields} B{bar B} events collected with the BABAR detector at the PEP-II e{sup +}e{sup -} storage ring at the Stanford Linear Accelerator Center, they measure the color-favored branching fractions {Beta}({bar B}{sup 0} {yields} D{sup +}{pi}{sup -}) = (2.63 {+-} 0.05 {+-} 0.22) x 10{sup -3}, {Beta}({bar B}{sup 0} {yields} D*{sup +}{pi}{sup -}) = (2.79 {+-} 0.08 {+-} 0.18) x 10{sup -3}, {Beta}(B{sup -} {yields} D{sup 0}{pi}{sup -}) = (4.90 {+-} 0.07 {+-} 0.23) x 10{sup -3} and {Beta}(B{sup -} {yields} D*{sup 0} {pi}{sup -}) = (5.52 {+-} 0.17 {+-} 0.43) x 10{sup -3}, where the first error is statistical and the second is systematic. With these results and the current world average for the branching fraction for the color-suppressed decay {bar B}{sup 0} {yields} D{sup (*)0}{pi}{sup 0}, the cosines of the strong phase difference {delta} between the I = 1/2 and I = 3/2 isospin amplitudes are determined to be cos{sigma} = 0.860{sub -0.006-0.028}{sup +0.007+0.029} for the {bar B} {yields} D{pi} process and cos{sigma} = 0.917{sub -0.016-0.051}{sup +0.018+0.059} for the {bar B} {yields} D*{pi} process. The results for cos{delta} suggest that final-state interactions are presented in the D{pi} system.
Book Synopsis Measurement of the Color-Suppressed B0-]D(*)0 Pi0 [omega]eta/eta Prime Branching Fractions by :
Download or read book Measurement of the Color-Suppressed B0-]D(*)0 Pi0 [omega]eta/eta Prime Branching Fractions written by and published by . This book was released on 2008 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Branching Fractions in B -] Phi H and Search for Direct CP Violation in B+ -] Phi K by :
Download or read book Branching Fractions in B -] Phi H and Search for Direct CP Violation in B+ -] Phi K written by and published by . This book was released on 2003 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 {+-}})
Book Synopsis Measurement of Branching Fractions and CP-ViolatingCharge Asymmetries for B Meson Decays to D(*)D(*), and Implications for the CKMAngle Gamma by :
Download or read book Measurement of Branching Fractions and CP-ViolatingCharge Asymmetries for B Meson Decays to D(*)D(*), and Implications for the CKMAngle Gamma written by and published by . This book was released on 2006 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: In summary, the authors have measured branching fractions, upper limits, and charge asymmetries for all B meson decays to D{sup (*)} {bar D}{sup (*)}.
Book Synopsis 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[+-]. by :
Download or read book 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[+-]. written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: 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+])
Book Synopsis Measurement of the Relative Branching Fractions of Bbar to D/D*/D** L- Nubar_l Decays in Events with a Fully Reconstructed B Meson by :
Download or read book Measurement of the Relative Branching Fractions of Bbar to D/D*/D** L- Nubar_l Decays in Events with a Fully Reconstructed B Meson written by and published by . This book was released on 2007 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: We determine the relative branching fractions of semileptonic B decays to charmed final states. The measurement is performed on the recoil from a fully reconstructed B meson in a sample of 362 million B{bar B} pairs collected at the [Upsilon](4S) resonance with the BABAR detector. A simultaneous fit to a set of discriminating variables is performed on a sample of {bar B} → DXl−{bar {nu}}{sub {ell}} decays to determine the contributions from the different channels.
Book Synopsis MEASUREMENT OF THE BRANCHING FRACTIONS FOR THE DECAYS B°--]D*− P{bar P}?, B°--]D−p{bar P}?+, B0--]D*° P{bar P} AND B°--]D° P{bar P} by :
Download or read book MEASUREMENT OF THE BRANCHING FRACTIONS FOR THE DECAYS B°--]D*− P{bar P}?, B°--]D−p{bar P}?+, B0--]D*° P{bar P} AND B°--]D° P{bar P} written by and published by . This book was released on 2004 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The B° meson decay modes B° --> D*−p{bar p}?, D−p{bar p}+, {bar D}*°p{bar p}, and B° --> {bar D}°p{bar p} are studied in a sample of 124 x 106 B{bar B} pairs collected with the BABAR detector at the PEP-II collider. The decay of B° --> D−p{bar p}?+ is observed for the first time, with a measured branching fraction B(B° --> D−p{bar p}?+) = (3.80 ± 0.35 ± 0.46) x 10−4. The following branching fractions are also determined: B(B° --> D*−p{bar p}?+) = (5.61 ± 0.59 ± 0.73) x 10−4, B(B° --> {bar D}*° p{bar p}) = (0.67 ± 0.21 ± 0.09) x 10−4, and B(B° --> {bar D}°p{bar p}) = (1.24 ± 0.14 ± 0.12) x 10−4. In each decay mode the invariant mass spectra of the charmed mesons and the baryons are compared with a pure phase-space hypothesis in order to gain insight into the B meson decay dynamics. In particular, the Dalitz plots of {bar D}*°p versus {bar D}*°{bar p} for B° --> {bar D}*°p{bar p} and of {bar D}°p versus {bar D}°{bar p} for B° --> {bar D}°p{bar p} are presented. All results are preliminary.
Book Synopsis Measurement of Relative Branching Fractions for D0 Meson Cabibbo Suppressed Hadronic Decays, from the CDF Secondary Vertex Trigger Sample at the Tevatron Collider by : Sandro De Cecco
Download or read book Measurement of Relative Branching Fractions for D0 Meson Cabibbo Suppressed Hadronic Decays, from the CDF Secondary Vertex Trigger Sample at the Tevatron Collider written by Sandro De Cecco and published by . This book was released on 2002 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Doubly Cabibbo Suppressed Decays of the Charged D Meson by : Jonathan Freeman Labs
Download or read book Search for Doubly Cabibbo Suppressed Decays of the Charged D Meson written by Jonathan Freeman Labs and published by . This book was released on 1992 with total page 660 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of Branching Fractions and Resonance Contributions for B0 -] D0bar K+ Pi- and Search for B0 -] D0 K+ Pi- Decays by :
Download or read book Measurement of Branching Fractions and Resonance Contributions for B0 -] D0bar K+ Pi- and Search for B0 -] D0 K+ Pi- Decays written by and published by . This book was released on 2005 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using 226 million?(4S) → B{bar B} events collected with the BABAR detector at the PEp-II ee− storage ring at the Stanford Linear Accelerator Center, they measure the branching fraction for B° → {bar D}°K+?−, excluding B° → D*−K+, to be?(B° → {bar D}°K+?−) = 88 ± 15 ± 9 x 10−6. They observe B° → {bar D}°K*(892)° and B° → D*2(2460)−K+ contributions. The ratio of branching fractions?(B° → D*− K+)/?(B° → D*−?+) = (7.76 ± 0.34 ± 0.29)% is measured separately. The branching fraction for the suppressed mode B° → D°K+?− is?(B° → D°K+?−)
Book Synopsis Measurement of Branching Fractions and Charge Asymmetries in B Meson Decays To[eta][prime]K*, [eta][prime][rho], And[eta][pi]. by :
Download or read book Measurement of Branching Fractions and Charge Asymmetries in B Meson Decays To[eta][prime]K*, [eta][prime][rho], And[eta][pi]. written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present preliminary measurements of branching fractions and charge asymmetries for the B meson decays B[yields][eta][prime] K*, B[yields][eta][prime][rho], and B[sup+][yields][eta][prime][pi][sup+]. The data were recorded with the BABAR detector at PEP-II and correspond to 89 x 10[sup 6] B[bar B] pairs produced in e[sup+]e[sup -] annihilation through the[Upsilon](4S) resonance. They find the branching fractions[Beta](B[sup 0][yields][eta]K*[sup 0])= (19.0[sub -2.1][sup+2.2][+-] 1.3) x 10[sup -6], [Beta](B[sup+][yields][eta]K*[sup+])= (25.7[sub -3.6][sup+3.8][+-] 1.8) x 10[sup -6] with 90% confidence, and[Beta](B[sup+][yields][eta][prime][pi][sup+])= (2.8[sub -1.0][sup+1.3][+-] 0.3) x 10[sup -6] (
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