Measurement Of Time Dependent Cp Violating Asymmetries In B0 Ksksks Decays

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Measurement Of Time Dependent Cp Violating Asymmetries In B0 Ksksks Decays

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

Measurement Of Time Dependent Cp Violating Asymmetries In B0 Ksksks 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 preliminary measurements of the CP asymmetry parameters in B{sup 0} {yields} K{sub S}{sup 0}K{sub S}{sup 0}K{sub S}{sup 0} decays, reconstructing two of the K{sub S}{sup 0} into {pi}{sup +}{pi}{sup -} and one into {pi}{sup 0}{pi}{sup 0}. In a sample of 227 M B{bar B} pairs collected by the BABAR detector at the PEP-II B Factory at SLAC, they find the CP parameters to be S = -0.25{sub -0.61}{sup +0.68}(stat) {+-} 0.05(syst) and C = 0.56{sub -0.43}{sup +0.34}(stat) {+-} 004(syst). Combining this result with the previous BABAR measurement, obtained from events with three K{sub S}{sup 0} decaying into {pi}{sup +}{pi}{sup -}, they get S = -0.63{sub -0.28}{sup +0.32}(stat) {+-} 0.04(syst); C = -0.10 {+-} 0.25(stat) {+-} 0.05, (syst).

Proceedings Of The International Conference On Qcd And Hadronic Physics Peking University China 16 20 June 2005

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Author :
language : en
Publisher:
Release Date : 2006

Proceedings Of The International Conference On Qcd And Hadronic Physics Peking University China 16 20 June 2005 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Hadrons categories.

Amplitude Analysis And Measurement Of The Time Dependent Cp Asymmetry Of B0 To Ksksks Decays

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Author :
language : en
Publisher:
Release Date : 2012

Amplitude Analysis And Measurement Of The Time Dependent Cp Asymmetry Of B0 To Ksksks 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 2012 with categories.

We present the first results on the Dalitz-plot structure and improved measurements of the time-dependent CP-violation parameters of the process B° → K{sub S}°K{sub S}°K{sub S}° obtained using 468 x 106 B{bar B} decays collected with the BABAR detector at the PEP-II asymmetric-energy B factory at SLAC. The Dalitz-plot structure is probed by a time-integrated amplitude analysis that does not distinguish between B° and {bar B}° decays. We measure the total inclusive branching fraction?(B° → K{sub S}°K{sub S}°K{sub S}°) = (6.19 ± 0.48 ± 0.15 ± 0.12) x 10−6, where the first uncertainty is statistical, the second is systematic, and the third represents the Dalitz-plot signal model dependence. We also observe evidence for the intermediate resonant states f0(980), f0(1710), and f2(2010). Their respective product branching fractions are measured to be (2.70{sub -1.19}{sup +1.25} ± 0.36 ± 1.17) x 10−6, (0.50{sub -0.24}{sup +0.46} ± 0.04 ± 0.10) x 10−6, and (0.54{sub -0.20}{sup +0.21} ± 0.03 ± 0.52) x 10−6. Additionally, we determine the mixing-induced CP-violation parameters to be S = -0.94{sub -0.21}{sup +0.24} ± 0.06 and C = -0.17 ± 0.18 ± 0.04, where the first uncertainty is statistical and the second is systematic. These values are in agreement with the standard model expectation.

Intersections Of Particle And Nuclear Physics

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Author : Tony M. Liss
language : en
Publisher: American Institute of Physics
Release Date : 2006-12-13

Intersections Of Particle And Nuclear Physics written by Tony M. Liss and has been published by American Institute of Physics this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-12-13 with Science categories.

This is a conference that explores areas of common interest between nuclear physicists, high energy (particle) physicists, and astrophysicists. These areas range from studies of the strong interactions that bind the nuclei together, to physics of the very early Universe. They include such topics as the detailed behavior of neutrinos and searches for "new physics", that is phenomena that cannot be accounted for by our current theories.

Proceedings Of The 9th International Workshop On Meson Production Properties And Interaction Meson 2006

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Author :
language : en
Publisher:
Release Date : 2007

Proceedings Of The 9th International Workshop On Meson Production Properties And Interaction Meson 2006 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 Meson-nucleon interactions categories.

Measurement Of Time Dependent Cp Violating Asymmetries In B0 K K K0l Decays

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

Measurement Of Time Dependent Cp Violating Asymmetries In B0 K K K0l 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 preliminary measurements of the Cp asymmetry parameters and CP content in B{sup 0} {yields} K{sup +}K{sup -}K{sub L}{sup 0} decays, with B{sup 0} {yields} {phi}K{sub L}{sup 0} events excluded. In a sample of 227 M B{bar B} pairs collected by the BABAR detector at the PEP-II B Factory at SLAC, they find the CP parameters to be S = 0.07 {+-} 0.28(stat){sub -0.12}{sup +0.11}(syst); C = 0.54 {+-} 0.22(stat){sub -0.09}{sup +0.08}(syst) where the first error is statistical and the second is systematic. Estimating the fraction of CP-odd final states from angular moments analysis in the K{sup +}K{sup -}K{sub S}{sup 0} CP-conjugate final state, f{sub odd}(K{sup +}K{sup -}K{sub L}{sup 0}) = 0.92 {+-} 0.07(stat) {+-} 0.06(syst), they determine sin2{beta}{sub eff} = 0.09 {+-} 0.33(stat){sub -0.14}{sup +0.13}(syst) {+-} 0.10(syst CP-cont) where the last error is due to uncertainty on the CP content.

Susy2004

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Author : Kaoru Hagiwara
language : en
Publisher:
Release Date : 2004

Susy2004 written by Kaoru Hagiwara and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Grand unified theories (Nuclear physics) categories.

Measurement Of Time Dependent Cp Violating Asymmetries In B Meson Decays To Eta K

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Author :
language : en
Publisher:
Release Date : 2004

Measurement Of Time Dependent Cp Violating Asymmetries 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 2004 with categories.

The authors present a preliminary measurement of CP-violating parameters S and C from fits of the time-dependence of B° meson decays to [eta]'K°. The data were recorded with the BABAR detector at PEP-II and correspond to 227 x 106 B{bar B} pairs produced in ee− annihilation through the [Upsilon](4S) resonance. From a maximum likelihood fit they measure the CP-violation parameters S = 0.27 ± 0.14 (stat.) ± 0.03 (syst.) and C = -0.21 ± 0.10 (stat.) ± 0.03 (syst.).

Measurement Of Time Dependent Cp Violating Asymmetries In B 0 Meson Decays To Eta K 0 L

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

Measurement Of Time Dependent Cp Violating Asymmetries In B 0 Meson Decays To Eta K 0 L 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 CP-violating parameters S and C from fits of the time-dependence of B{sup 0} meson decays to {eta}'K{sub L}{sup 0}. The data were recorded with the BABAR detector at PEP-II and correspond to 232 x 10{sup 6} B{bar B} pairs produced in e{sup +}e{sup -} annihilation through the {Upsilon}(4S) resonance. By fitting the time-dependent CP asymmetry of the reconstructed B{sup 0} {yields} {eta}'K{sub L}{sup 0} events, they find S = 0.60 {+-} 0.31 {+-} 0.04 and C = 0.10 {+-} 0.21 {+-} 0.03, where the first error quoted is statistical and the second is systematic. They also perform a combined fit using both {eta}'K{sub S}{sup 0} and {eta}'K{sub L}{sup 0} data, and find S = 0.36 {+-} 0.13 {+-} 0.03 and C = -0.16 {+-} 0.09 {+-} 0.02.

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.