Measurement Of Cp Violating Asymmetries In The B0 K K Ks Dalitz Plot

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Measurement Of Cp Violating Asymmetries In The B0 K K Ks Dalitz Plot

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Author :
language : en
Publisher:
Release Date : 2008

Measurement Of Cp Violating Asymmetries In The B0 K K Ks Dalitz Plot 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 a preliminary measurement of CP-violation parameters in the decay B° → KK−K{sub S}°, using approximately 465 million B{bar B} events collected by the BABAR detector at SLAC. Reconstructing the neutral kaon as K{sub S}° →?+?− or K{sub S}° →?°?°, they analyze the Dalitz plot distribution and measure fractions to intermediate states. They extract CP parameters from the asymmetries in amplitudes and phases between B° and {bar B}° decays across the Dalitz plot. From a fit to the whole Dalitz plot, they measure?{sub eff} = 0.44 ± 0.07 ± 0.02, A{sub CP} = 0.03 ± 0.07 ± 0.02, where the first uncertainties are statistical and the second ones are systematic. For decays to?K{sub S}°, they measure?{sub eff} = 0.13 ± 0.13 ± 0.02, A{sub CP} = 0.14 ± 0.19 ± 0.02. For decays to f0K{sub S}°, they measure?{sub eff} = 0.15 ± 0.13 ± 0.03, A{sub CP} = 0.01 ± 0.26 ± 0.07. From a fit to the region of the Dalitz plot with m{sub K{sup +}K−}> 1.1 GeV/c2, they measure?{sub eff} = 0.52 ± 0.08 ± 0.03, A{sub CP} = 0.05 ± 0.09 ± 0.04.

Proceedings Of The Third International Conference On B Physics And Cp Violation

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Author : Hai-Yang Cheng
language : en
Publisher: World Scientific
Release Date : 2000

Proceedings Of The Third International Conference On B Physics And Cp Violation written by Hai-Yang Cheng and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Science categories.

Proceedings of the Third International Conference on B Physics and CP Violation, held in Taipei, Taiwan, December 3-7, 1999. The main focus of the conference was to discuss the state of the art and future prospects of the field, at a high technical level. The fifth conference is to be held in May 2002 in Philadelphia. The Fourth took place in Central Japan in February 2001.zation.

Study Of Cp Violation In Dalitz Plot Analyses Of B0 To K K Ks B To K K K And B To Ksksk

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Author :
language : en
Publisher:
Release Date : 2012

Study Of Cp Violation In Dalitz Plot Analyses Of B0 To K K Ks B To K K K And B To Ksksk 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.

Italian Meeting On High Energy Physics Proceedings Of The 15 Th Ifae

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Author : P. Ciafaloni
language : en
Publisher: SIF Edizioni Scientifiche
Release Date : 2004

Italian Meeting On High Energy Physics Proceedings Of The 15 Th Ifae written by P. Ciafaloni and has been published by SIF Edizioni Scientifiche this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Science categories.

High Energy Physics

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Author : James R Sanford
language : en
Publisher:
Release Date : 1993

High Energy Physics written by James R Sanford and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.

Measurements Of Cp Violating Asymmetries In The Decay B0 To K K K0

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Author :
language : en
Publisher:
Release Date : 2007

Measurements Of Cp Violating Asymmetries In The Decay B0 To K K K0 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.

The authors analyze the decay B° 2!KK−K° using 383 million B{bar B} events collected by the BABAR detector at SLAC to extract CP violation parameter values over the Dalitz plot. Combining all KK−K° events, they find A{sub CP} = -0.015 ± 0.077 ± 0.053 and [beta]{sub eff} = 0.352 ± 0.076 ± 0.026 rad, corresponding to a CP violation significance of 4.8[sigma]. A second solution near [pi]/2 - [beta]{sub eff} is disfavored with a significance of 4.5[sigma]. They also report A{sub CP} and [beta]{sub eff} separately for decays to [phi](1020)K°, f0(980)K°, and K+K−K° with m{sub K{sup +}K−}> 1.1 GeV/c2.

Physics Briefs

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Author :
language : en
Publisher:
Release Date : 1992

Physics Briefs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Physics categories.

Chinese Journal Of Physics

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Author :
language : en
Publisher:
Release Date : 2007

Chinese Journal Of Physics 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 Physics categories.

Measurement Of Cp Violating Asymmetries In B0 To Rho Pi 0 Using A Time Dependent Dalitz Plot Analysis

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Author :
language : en
Publisher:
Release Date : 2005

Measurement Of Cp Violating Asymmetries In B0 To Rho Pi 0 Using A Time Dependent Dalitz Plot Analysis 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.

Measurement Of Cp Violating Asymmetries In B0 To Rho Pi 0 Using A Time Dependent Dalitz Plot Analysis

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

Measurement Of Cp Violating Asymmetries In B0 To Rho Pi 0 Using A Time Dependent Dalitz Plot Analysis 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 report a measurement of CP-violating asymmetries in B{sup 0} {yields} ({rho}{pi}){sup 0} {yields} {pi}{sup +}{pi}{sup -}{pi}{sup 0} decays using a time-dependent Dalitz plot analysis. The results are obtained from a data sample of 347 million {Upsilon}(4S) {yields} B{bar B} decays, collected by the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. We measure 26 coefficients of the bilinear form factor terms occurring in the time-dependent decay rate of the B{sup 0} meson and derive the physically relevant quantities from these coefficients. In particular we find a three standard deviation evidence of direct CP-violation in the B{sup 0} {yields} {rho}{sup {+-}}{pi}{sup {-+}} decays, with systematic uncertainties included. We also achieve a constraint of the angle {alpha} of the Unitarity Triangle. All results presented are preliminary.