Measurement Of Time Dependent Cp Asymmetries And Constraints On Sin 2 Beta Gamma With Partial Reconstruction Of B Sup 0 D Sup Pi Sup Decays

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Measurement Of Time Dependent Cp Asymmetries And Constraints On Sin 2 Beta Gamma With Partial Reconstruction Of B Sup 0 D Sup Pi Sup Decays

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Author :
language : en
Publisher:
Release Date : 2004

Measurement Of Time Dependent Cp Asymmetries And Constraints On Sin 2 Beta Gamma With Partial Reconstruction Of B Sup 0 D Sup Pi Sup 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.

The authors present a preliminary measurement of the time-dependent CP-violating asymmetry in decays of neutral B mesons to the final states D*[sup [-+]][pi][sup [+-]], using approximately 178 million B[bar B] events recorded by the BABAR experiment at the PEP-II d[sup +]e[sup -] storage ring. Events containing these decays are selected with a partial reconstruction technique, in which only the high-momentum [pi][sup [+-]] from the B decay and the low-momentum [pi][sup [-+]]. from the D*[sup [-+]]. decay are used. They measure the amplitude of the asymmetry to be -0.041 [+-] 0.016 (stat.) [+-] 0.010 (syst.) and determine bounds on sin(2[beta]+[gamma]).

Sowjetische Wissenschaftler Zu Fragen Der Kunstentwicklung Und Kunstwissenschaft

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language : en
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Release Date : 1974

Sowjetische Wissenschaftler Zu Fragen Der Kunstentwicklung Und Kunstwissenschaft written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with categories.

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
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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 Time Dependent Cp Violating Asymmetriesand Constraints On Sin 2 Beta Gamma Withpartial Reconstruction Of B To D Pi Decays

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language : en
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Release Date : 2005

Measurement Of Time Dependent Cp Violating Asymmetriesand Constraints On Sin 2 Beta Gamma Withpartial Reconstruction Of B To D Pi 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.

Study Of Time Dependent Cp Asymmetries With Partial Reconstruction Of B D Pi

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language : en
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Release Date : 2003

Study Of Time Dependent Cp Asymmetries With Partial Reconstruction Of B D Pi 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.

The authors present a preliminary measurement of the time-dependent CP asymmetries in decays of neutral B mesons to the final states D*[sup[-+]][pi][sup[+-]], using approximately 82 million B[bar B] events collected by the BABAR experiment at the PEP-II storage ring. Events containing these decays are selected with a partial reconstruction technique, in which only the high momentum[pi][sup[+-]] and the low momentum pion from the D*[sup[-+]] decay are reconstructed. The flavor of the other B meson in the event is tagged using the information from kaon and lepton candidates. They measure the time-dependent CP asymmetry[Alpha]= -0.063[+-] 0.024 (stat.)[+-] 0.017 (syst.). They interpret these results in terms of the angles of the unitarity triangle to set a bound onsin(2[beta]+[gamma]).

Measurement Of Cp Violating Parameters In Fully Reconstructed B D Pi And B Drho Decays

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language : en
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Release Date : 2004

Measurement Of Cp Violating Parameters In Fully Reconstructed B D Pi And B Drho 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.

While the measurement of sin2[beta] is now a precision measurement, the constraints on the other two angles of the Unitarity Triangle, [alpha] and [gamma], are still limited by statistics and/or by theoretical uncertainties. This paper reports on the measurement of CP-violating asymmetries in B[sup 0] --> D(*)[sup [+-]][pi][sub [-+]] and B[sup 0] --> D[sup [+-]][rho][sup [-+]] decays in [Upsilon](4S) --> B[bar B] decays, asymmetries which are rleated to sin(2[beta] + [gamma]). This analysis updates the results already published by including a new decay mode (B[sup 0] --> D[sup [+-]][rho][sup [-+]]) and a larger data sample (110 instead of 88 million [Upsilon](4S) --> B[bar B] decays).

Measurement Of Time Dependent Cp Asymmetry In B 2 D Sup Pi Sup Decays And Constraints On

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language : en
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Release Date : 2003

Measurement Of Time Dependent Cp Asymmetry In B 2 D Sup Pi Sup Decays And Constraints On 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.

We present a preliminary measurement of time-dependent CP-violating asymmetries in fully reconstructed B° → D*{sup {+-}[pi]{sup -+}} decays in a data sample of approximately 88 million [Upsilon](4S) → B{bar B} decays collected with the BABAR detector at the PEP-II asymmetric-energy B factory at SLAC. We interpret the results in terms of the angles of the Cabibbo-Kobayashi-Maskawa unitarity triangle, and set the bound

Measurement Of Time Dependent Cp Asymmetries Inb0 D Pi And B0 Drho Decays

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language : en
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Release Date : 2006

Measurement Of Time Dependent Cp Asymmetries Inb0 D Pi And B0 Drho 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 2006 with categories.

We present updated results on time-dependent CP asymmetries in fully reconstructed B° → D{sup (*)±}[pi]{sup {-+}} and B° → D{sup ±}[rho]{sup {-+}} decays in approximately 232 million [Upsilon](4S) → B{bar B} events collected with the BABAR detector at the PEP-II asymmetric-energy B factory at SLAC. From a time-dependent maximum likelihood fit we obtain for the parameters related to the CP violation angle 2[beta] + [gamma]: a{sup D{pi}} = -0.010 ± 0.023 ± 0.007, c{sub lep}{sup D{pi}} = -0.033 ± 0.042 ± 0.012, a{sup D*{pi}} = -0.040 ± 0.023 ± 0.010, C{sub lep}{sup D*{pi}} = 0.049 ± 0.042 ± 0.015, a{sup D{rho}} = -0.024 ± 0.031 ± 0.009, c{sub lep}{sup D{rho}} = -0.098 {+-} 0.055 {+-} 0.018, where the first error is statistical and the second is systematic. Using other measurements and theoretical assumptions, we interpret the results in terms of the angles of the Cabibbo-Kobayashi-Maskawa unitarity triangle and find

Measurement Of The Cp Asymmetry Parameter Sin 2 Beta At Cdf

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language : en
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Release Date : 2000

Measurement Of The Cp Asymmetry Parameter Sin 2 Beta At Cdf written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with categories.

We present a measurement of the time-dependent asymmetry in the rate for [anti]B[sup 0][sub d] versus B[sup 0][sub d] decays to J/[psi] K[sup 0][sub S] . In the context of the Standard Model this is interpreted as a measurement of the CP-violation parameter sin(2[beta]). A total of 198 [+-] 17 B[sup 0][sub d]/[anti B][sup 0][sub d] decays were observed in p[anti p] collisions at ps = 1:8 TeV by the CDF detector at the Fermilab Tevatron. The initial b-flavor is determined by a same side avor tagging technique. Our analysis results in sin(2[beta]) = 1:8 [+-] 1:1(stat) [+-] 0:3(syst).

Babar Status And Prospects For Cp Asymmetry Measurements

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language : en
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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.