Measurement Of Time Dependent Cp Asymmetry In B0 Ks Pi0 Gamma Decays

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Measurement Of Time Dependent Cp Asymmetry In B0 Ks Pi0 Gamma Decays

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Author :
language : en
Publisher:
Release Date : 2008

Measurement Of Time Dependent Cp Asymmetry In B0 Ks Pi0 Gamma 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 measure the time-dependent CP asymmetry in B° 2!K{sub S}°[pi]°[gamma] decays for two regions of K{sub S}°-[pi]° invariant mass, m(K{sub S}°[pi]°), using the final BABAR data set of 467 x 106 B{bar B} pairs collected at the PEP-II ee− collider at SLAC. They find 339 ± 24 B° 2!K*°[gamma] candidates and measure S{sub K*[gamma]} = -0.03 ± 0.29 ± 0.03 and C{sub K*[gamma]} = -0.14 ± 0.16 ± 0.03. In the range 1.1

Measurement Of Cp Asymmetries In B0 Ks Pi0 Pi0 Decays

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Author : J. C. Chen
language : en
Publisher:
Release Date : 2005

Measurement Of Cp Asymmetries In B0 Ks Pi0 Pi0 Decays written by J. C. Chen 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.

The authors present a preliminary measurement of the time-dependent CP asymmetry for the neutral B-meson decay into the CP = +1 final state K{sub S}{sup 0}{pi}{sup 0}{pi}{sup 0}, with K{sub S}{sup 0} {yields} {pi}{sup +}{pi}{sup -} and {pi}{sup 0} {yields} {gamma}{gamma}. They use a sample of approximately 227 million B-meson pairs recorded at the {Upsilon}(4S) resonance by the BABAR detector at the PEP-II B-Factory at SLAC. From a maximum likelihood fit they extract the mixing-induced CP-violation parameter S{sub K{sub S}{sup 0}{pi}{sup 0}{pi}{sup 0}} = 0.84 {+-} 0.71(stat) {+-} 0.08(syst) and the direct CP-violation parameter C{sub K{sub S}{sup 0}}{pi}{sup 0}{pi}{sup 0} = 0.27 {+-} 0.52(stat) {+-} 0.13(syst), where the first uncertainty is statistical and the second systematic.

Measurement Of Cp Asymmetry In B0 To Ks Pi0 Pi0 Decays

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Author :
language : en
Publisher:
Release Date : 2007

Measurement Of Cp Asymmetry In B0 To Ks Pi0 Pi0 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 2007 with categories.

We present a measurement of the time-dependent CP asymmetry for the neutral B-meson decay into the CP = +1 final state K{sub S}°?°?°, with K{sub S}° →??−. We use a sample of approximately 227 million B-meson pairs recorded at the?(4S) resonance with the BABAR detector at the PEP-II B-Factory at SLAC. From an unbinned maximum likelihood fit we extract the mixing-induced CP-violation parameter S = 0.72 ± 0.71 ± 0.08 and the direct CP-violation parameter C = 0.23 ± 0.52 ± 0.13, where the first uncertainty is statistical and the second systematic.

Search For Physics Beyond The Standard Model Using Measurements Of Cp Violating Asymmetries In Rare B Decays

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Author : Dmytro Kovalskyi
language : en
Publisher:
Release Date : 2005

Search For Physics Beyond The Standard Model Using Measurements Of Cp Violating Asymmetries In Rare B Decays written by Dmytro Kovalskyi 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.

This dissertation presents measurements of time-dependent CP violating asymmetries in the decays B{sup 0} {yields} K{sub s}{sup 0}{pi}{sup 0} and B{sup 0} {yields} K{sub s}{sup 0}{pi}{sup 0}{gamma} based on RUN 1-4 data collected with the BABAR detector at the {Upsilon}(4S) resonance operating at the PEP-II asymmetric e{sup +}e{sup -} collider at SLAC. It was found that the CP violating asymmetry parameters are S{sub K{sub s}{pi}{sup 0}} = 0.35{sub -0.33}{sup +0.30}(stat) {+-} 0.04(syst), C{sub K{sub g}{pi}{sup 0}} = 0.06 {+-} 0.18(stat) {+-} 0.03(syst), S{sub K{sub s}{pi}{sup 0}{gamma}} = 0.9 {+-} 1.0(stat) {+-} 0.2(syst) and C{sub K{sub s}{pi}{sup 0}{gamma}} = -1.0 {+-} 0.5(stat) {+-} 0.2(syst), where B{sup 0} {yields} K{sup +0}{gamma} decays correspond to the K{sub s}{pi}{sup 0} invariant mass interval of [0.8,1.0] GeV and B{sup 0} {yields} K{sub s}{sup 0}{pi}{sup 0}{gamma} of [1.1,1.8] GeV. All results are consistent with the Standard Model predictions.

Measurements Of Cp Violating Asymmetries In B0 Ks Pi0 Decays

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Author :
language : en
Publisher:
Release Date : 2004

Measurements Of Cp Violating Asymmetries In B0 Ks Pi0 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 2004 with categories.

We present a measurement of the time-dependent CP-violating (CPV) asymmetries in B[sup 0] [yields] K[sub s][sup 0][pi][sup 0] decays based on 124 million [Upsilon](4S) [yields] B[bar B] decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. In a sample containing 122 [+-] 16 signal decays, we obtain the magnitude of the direct CPV asymmetry C[sub K[sub S][sup 0][pi][sup 0]] = 0.40 [sub -0.28][sup +0.27] [+-] 0.09 and the magnitude of the CPV asymmetry in the interference between mixing and decay S[sub K[sub S][sup 0][pi][sup 0]] = 0.48 [sub -0.47][sup +0.38] [+-] 0.06 where the first error is statistical and the second systematic.

Measurement Of Time Dependent Cp Violating Asymmetries In B0 K 0 Gamma K 0 K0 Sub S Pi0 Decays

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Author :
language : en
Publisher:
Release Date : 2004

Measurement Of Time Dependent Cp Violating Asymmetries In B0 K 0 Gamma K 0 K0 Sub S Pi0 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 2004 with categories.

We present a measurement of the time-dependent CP-violating asymmetries in B[sup 0] [yields] K*[sup 0][gamma](K*[sup 0] [yields] K[sub S][sup 0][pi][sup 0]) decays based on 124 million [Upsilon](4S) [yields] B[bar B] decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at the Stanford Linear Accelerator Center. In a sample containing 105 [+-] 14 signal decays, we measure S[sub K*[sub [gamma]]] = 0.25 [+-] 0.63 [+-] 0.14 and C[sub K*[sub [gamma]]] = -0.57 [+-] 0.32 [+-] 0.09, where the first error is statistical and the second systematic.

Bericht Zum Referendum Gegen Den Beschluss Des Weiteren B Rgerrates Vom 30 Mai 1972 Betr Erm Chtigung Der Christoph Merian Stiftung Zu Landverk Ufen Im Banne Muttenz

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Author :
language : en
Publisher:
Release Date : 1975

Bericht Zum Referendum Gegen Den Beschluss Des Weiteren B Rgerrates Vom 30 Mai 1972 Betr Erm Chtigung Der Christoph Merian Stiftung Zu Landverk Ufen Im Banne Muttenz written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with categories.

Measurement Of The Time Dependent Cp Violating Asymmetry In B 0 To K 0 S Pi 0 Gamma Decays

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Author :
language : en
Publisher:
Release Date : 2005

Measurement Of The Time Dependent Cp Violating Asymmetry In B 0 To K 0 S Pi 0 Gamma 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.

We present a measurement of the time-dependent CP-violating asymmetry in B° 2!K*°[gamma] decays with K*° 2!K{sub S}°[pi]° based on 232 million [Upsilon](4S) 2!B{bar B} decays collected with the BABAR detector at the PEP-II asymmetric-energy ee− collider at SLAC. In a sample containing 157 ± 16 signal decays, we measure S{sub K*°[gamma]} = -0.21 ± 0.40 ± 0.05 and C{sub K*°[gamma]} = -0.40 ± 0.23 ± 0.03, where the first error is statistical and the second systematic. We also explore B° 2!K{sub S}°[pi]°[gamma] decays with 1.1

Measurement Of Cp Asymmetries In B0 To Phi K0 And B0 To K K Ks Decays

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Author :
language : en
Publisher:
Release Date : 2005

Measurement Of Cp Asymmetries In B0 To Phi K0 And B0 To K K Ks 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.

We measure the time-dependent CP asymmetry parameters in B° 2!KK−K° based on a data sample of approximately 227 million B-meson pairs recorded at the [Upsilon](4S) resonance with the BABAR detector at the PEP-II B-meson Factory at SLAC. We reconstruct two-body B° decays to [phi](1020)K{sub s}° and [phi](1020)K{sub L}°, and the three-body decay KK−K{sub s}° with [phi](1020)K{sub s}° excluded. For the B° 2![phi]K° decays, they measure sin 2[beta]{sub eff}([phi]K°) = +0.50 ± 0.25(stat){sub -0.04}{sup +0.07}(syst). The B° 2!K+K−K{sub s}° decays are dominated by K+K− S-wave, as determined from an angular analysis; they measure sin 2[beta]{sub eff} (K+K−K{sub s}°) = +0.55 ± 0.22(stat) ± 0.04(syst) ± 0.11(CP), where the last error is due to the uncertainty in the fraction of CP-even contributions to the decay amplitude. We find no evidence for direct CP violation.

Pandex Current Index To Scientific And Technical Literature

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Author :
language : en
Publisher:
Release Date : 1971

Pandex Current Index To Scientific And Technical Literature written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Medicine categories.