Measurement Of Cp Violating Asymmetry Sin2beta With The Babar Detector

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Measurement Of Cp Violating Asymmetry Sin2beta With The Babar Detector

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Author :
language : en
Publisher:
Release Date : 2002

Measurement Of Cp Violating Asymmetry Sin2beta With The Babar Detector written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.

The Standard Model of electroweak interactions describes CP violation in weak interactions as a consequence of a complex phase in the three-generation Cabibbo-Kobayashi-Maskawa (CKM) quark-mixing matrix. In this framework, measurements of CP-violating asymmetries in the time distribution of neutral B decays to charmonium final states provide a direct measurement of sin2[beta][2], where[beta][triple-bond] arg[-V[sub cd]V*[sub cb]/V[sub td]V*[sub tb]]. The authors report an updated measurement of time-dependent CP-asymmetries in samples of fully reconstructed B decays to charmonium-containing CP eigenstates (b[yields] c[bar c]s). The data for these studies were recorded at the[Upsilon](4S) resonance with the BABAR detector at the PEP-II asymmetric-energy e[sup+]e[sup -] collider at the Stanford Linear Accelerator Center.

From Quarks To Black Holes Progress In Understanding The Logic Of Nature Proceedings Of The International School Of Subnuclear Physics

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Author : Antonino Zichichi
language : en
Publisher: World Scientific
Release Date : 2005-06-16

From Quarks To Black Holes Progress In Understanding The Logic Of Nature Proceedings Of The International School Of Subnuclear Physics written by Antonino Zichichi and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-06-16 with Science categories.

This volume is a unique report on the frontiers of subnuclear physics presented by global specialists in a clear and rigorous style.The question of Lattice QCD is presented by R D Kenway, and that of Quark-Gluon Plasma Physics by F Karsch. Quantum Field theory is discussed by R G Dijkgraff, and the status of Local Supersymmetry by M J Duff. Detailed analysis of Supersymmetry in Nuclei is made by F Iachello, and that of Inflation, Dark Matter and Dark Energy by E W Kolb. Compactified dimensions are outlined by I Antoniadis, Horizons in the quantization of the gravitational force by Nobel Laureate G 't Hooft, as also are Neutrino Oscillations by G Fogli and Fundamental Constants by H Fritzsch. The experimental data from BNL and Babar are presented by T W Ludlum and M A Giorgi, those from Fermilab and Hera by Parke and G Wolf. The status at CERN is given by L Maiani for the LHC and by W-D Schlatter for the non-LHC experiments. Highlights from Gran Sasso are presented by A Bettini. This volume also contains reports by a selected group of “new talents” on various topics in the field of subnuclear physics.The proceedings have been selected for coverage in:• Index to Scientific & Technical Proceedings® (ISTP® / ISI Proceedings)• Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings)• CC Proceedings — Engineering & Physical Sciences

Kik Ind

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Author :
language : en
Publisher:
Release Date : 1987

Kik Ind written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with categories.

Measurement Of Sin2beta With Babar

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Author : D. Wright
language : en
Publisher:
Release Date : 2003

Measurement Of Sin2beta With Babar written by D. Wright and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.

The authors present updated results on time-dependent CP-violating asymmetries in neutral B decays to several CP eigenstates containing charmonium. In the Standard Model, the amplitude of these asymmetries is proportional to sin 2{beta}. They measure sin2{beta} = 0.741 {+-} 0.067 (stat) {+-} 0.034 (syst) from a data sample of about 88 million {Upsilon}(4S) {yields} B{bar B} decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. The authors have also measured CP-violating asymmetries in open charm, and penguin modes sensitive to sin2{beta}, which provide important consistency tests of the Standard Model.

Study Of Rare B Meson Decays Related To The Cp Observable Sin 2 Beta Gamma At The Babar Experiment

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Author : Toyoko Jennifer Orimoto
language : en
Publisher:
Release Date : 2006

Study Of Rare B Meson Decays Related To The Cp Observable Sin 2 Beta Gamma At The Babar Experiment written by Toyoko Jennifer Orimoto 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.

A Measurement Of The Cp Parameter Sine Two Beta Using Fully Reconstructed B To Ccbar Decays At The Babar Experiment

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Author :
language : en
Publisher:
Release Date : 2003

A Measurement Of The Cp Parameter Sine Two Beta Using Fully Reconstructed B To Ccbar Decays At The Babar Experiment written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.

This dissertation presents a measurement of the time-dependent CP-violating asymmetries in the neutral B-meson system performed with data collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at the Stanford Linear Accelerator Center. The data sample used consists of 29.7 fb−1 collected at the [Upsilon](4S) resonance and 3.9 fb−1 collected off-resonance. We analyze three samples of fully-reconstructed B-meson decays: a sample of decays to CP eigenstates in the modes J/[psi] K{sub s}°, [psi](2S) K{sub s}°, [chi]{sub cl} K{sub s}°, and J/[psi] K*° (822 events); as well as both charged (14304 events) and neutral (10457 events) B decays to flavor-eigenstates including D{sup (*)} and [pi]/[rho]/[alpha]1. In all cases, the proper decay time difference between the reconstructed B-meson and the recoiling B-meson is determined by measuring the separation of the two decay vertices. Furthermore, the flavor of the recoiling B-meson is tagged using a neural network algorithm. We use the flavor-eigenstate samples to calibrate both the vertexing and tagging performance. We measure the amplitude of the CP asymmetry, sin2[beta] = 0.61 ± 0.14(stat) ± 0.06(syst). These results indicate the existence of indirect CP violation in the B-meson system.

Babar Status And Prospects For Cp Asymmetry Measurements

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Author :
language : en
Publisher:
Release Date : 2007

Babar Status And Prospects For Cp Asymmetry Measurements 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 recent experimental results on CP violation related to the angles of the Cabibbo-Kobayashi-Maskawa (CKM) unitarity triangle 2[beta] + [gamma] are summarized in these proceedings. These results are obtained with approximately 232 million [Upsilon](4S) → B{bar B} events collected with the BABAR detector at the PEP-II asymmetric-energy B-factory at SLAC. Using the measurements on time-dependent CP asymmetries in B° → D{sup (*){-+}} [pi]{sup {-+}} and B° → D{sup {-+}}[rho]{sup {+-}} decays and theoretical assumptions, one finds.

Measurement Of Sin2 Beta With Babar

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Author :
language : en
Publisher:
Release Date : 2002

Measurement Of Sin2 Beta With Babar written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.

We present updated results on time-dependent CP-violating asymmetries in neutral B decays to several CP eigenstates containing charmonium. In the Standard Model, the amplitude of these asymmetries is proportional to sin2[beta]. We measure sin2[beta] = 0.741 ± 0.067 (stat) ± 0.034 (syst) from a data sample of about 88 million [Lambda](4S) → B{bar B} decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. We have also measured CP-violating asymmetries in open charm, and penguin modes sensitive to sin2[beta], which provide important consistency tests of the Standard Model.

Tovari Moskva

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Author :
language : en
Publisher:
Release Date : 1973

Tovari Moskva written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with categories.

John Cyclos Die Kunst Des Schlittschuhfahrens Mit Deutlichen Anweisungen Zur Erlernung Der Schwierigsten Und Grasi Sesten Bewegungen Zweite Auflage Mit Tafeln

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Author :
language : en
Publisher:
Release Date : 1858

John Cyclos Die Kunst Des Schlittschuhfahrens Mit Deutlichen Anweisungen Zur Erlernung Der Schwierigsten Und Grasi Sesten Bewegungen Zweite Auflage Mit Tafeln written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1858 with categories.