Constraints On R Sub B And Gamma In B Sup Rightarrow D Sup 0 K Sup Decays By A Dalitz Analysis Of D Sup 0 Rightarrow K Sub S Pi Sup Pi Sup

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Constraints On R Sub B And Gamma In B Sup Rightarrow D Sup 0 K Sup Decays By A Dalitz Analysis Of D Sup 0 Rightarrow K Sub S Pi Sup Pi Sup

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Author :
language : en
Publisher:
Release Date : 2004

Constraints On R Sub B And Gamma In B Sup Rightarrow D Sup 0 K Sup Decays By A Dalitz Analysis Of D Sup 0 Rightarrow K Sub S Pi Sup Pi Sup 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.

In this paper the authors report on a measurement of direct CP violation in B[sup -] --> D(*)[sup 0]K[sup -] based on the analysis of the Dalitz distribution of the three-body decay D[sup 0] --> K[sub S][pi][sup -][pi][sup +]. The advantage of this method is that it involves the entire resonant substructure of the three-body decay, with Cabibbo-allowed and double Cabibbo-suppressed amplitudes interfering directly. It is therefore expected to have a higher statistical precision than the methods outlined.

Constraints On R Sub B And Gamma In B Sup Rightarrow D Sup 0 K Sup Decays By A Dalitz Analysis Of D Sup 0 Rightarrow K Sub S Pi Sup Pi Sup

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Author : B. Aubert
language : en
Publisher:
Release Date : 2004

Constraints On R Sub B And Gamma In B Sup Rightarrow D Sup 0 K Sup Decays By A Dalitz Analysis Of D Sup 0 Rightarrow K Sub S Pi Sup Pi Sup 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 2004 with categories.

In this paper the authors report on a measurement of direct CP violation in B{sup -} --> D(*){sup 0}K{sup -} based on the analysis of the Dalitz distribution of the three-body decay D{sup 0} --> K{sub S}{pi}{sup -}{pi}{sup +}. The advantage of this method is that it involves the entire resonant substructure of the three-body decay, with Cabibbo-allowed and double Cabibbo-suppressed amplitudes interfering directly. It is therefore expected to have a higher statistical precision than the methods outlined.

Constraints On R Sub B And Gamma In B Sup Rightarrow D K Sup Decays By A Dalitz Analysis Of D Rightarrow K Sub S Pi Pi

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Author :
language : en
Publisher:
Release Date : 2004

Constraints On R Sub B And Gamma In B Sup Rightarrow D K Sup Decays By A Dalitz Analysis Of D Rightarrow K Sub S Pi 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 2004 with categories.

In this paper the authors report on a measurement of direct CP violation in B− --> D(*)°K− based on the analysis of the Dalitz distribution of the three-body decay D° --> K{sub S}?−?. The advantage of this method is that it involves the entire resonant substructure of the three-body decay, with Cabibbo-allowed and double Cabibbo-suppressed amplitudes interfering directly. It is therefore expected to have a higher statistical precision than the methods outlined.

Measurement Of Gamma In B To D K Decays With A Dalitz Analysis Of D To K0s Pi Pi

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Author :
language : en
Publisher:
Release Date : 2005

Measurement Of Gamma In B To D K Decays With A Dalitz Analysis Of D To K0s Pi 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 2005 with categories.

We report on a measurement of the Cabibbo-Kobayashi-Maskawa CP-violating phase? through a Dalitz analysis of neutral D decays to K{sub s}°?−? in the processes B{sup {-+}} → D{sup (*)} K{sup {-+}}, D* → D?°, D?

Time Dependent Dalitz Plot Analysis Of B0 To D K0pi Decays

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Author :
language : en
Publisher:
Release Date : 2008

Time Dependent Dalitz Plot Analysis Of B0 To D K0pi 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.

We present for the first time a measurement of the weak phase 2[beta] + [gamma] obtained from a time-dependent Dalitz plot analysis of B° → D{sup {-+}}K°[pi]{sup ±} decays. Using a sample of approximately 347 x 106 B{bar B} pairs collected by the BABAR detector at the PEP-II asymmetric-energy storage rings, we obtain 2[beta] + [gamma] = (83 ± 53 ± 20)° and (263 ± 53 {+-} 20){sup o} assuming the ratio r of the b → u and b → c decay amplitudes to be 0.3. The magnitudes and phases for the resonances associated with the b → c transitions are also extracted from the fit.

Measurement Of Neutral B Decay Branching Fractions To K Sub S Sup 0 Pi Sup Pi Sup Final States

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Author :
language : en
Publisher:
Release Date : 2004

Measurement Of Neutral B Decay Branching Fractions To K Sub S Sup 0 Pi Sup Pi Sup Final States 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 branching fractions for B[sup 0] --> K[sup 0][pi][sup +][pi][sup -], B[sup 0] --> K*[sup +][pi][sup -] and B[sup 0] --> D[sup -]( --> K[sub s][sup 0][pi][sup -])[pi][sup +] decaying to a K[sub s][sup 0][pi][sup +][pi][sup -] state have been measured and agree with previous measurements. The direct CP violating parameter A[sub K*[pi]] was measured for the decay B[sup 0] --> K*[sup +][pi][sup -] and is in agreement with the CLEO measurement, with no evidence of CP violation with the statistics used. Using larger datasets, one can extract amplitudes and relative phases of the resonant contributions to the Dalitz plot, with the possibility to observe new B-meson decays.

A Study Of B To C And B To U Interference In The Decay B To K Pi D K

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

A Study Of B To C And B To U Interference In The Decay B To K Pi D K 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.

Using a sample of 232 x 10{sup 6} {Upsilon}(4S) {yields} B{bar B} events collected with the BABAR detector at the PEP-II B-factory we study the decay B{sup -} {yields} [K{sup +}{pi}{sup -}]{sub D}K*{sup -} where the K{sup +}{pi}{sup -} is either from a Cabibbo-favored {bar D}{sup 0} decay or doubly-suppressed D{sup 0} decay. We measure two observables that are sensitive to the CKM angle {gamma}; the ratio R of the charge-averaged branching fractions for the suppressed and favored decays; and the charge asymmetry A of the suppressed decays: R = 0.046 {+-} 0.031(stat.) {+-} 0.008(syst.); A = -0.22 {+-} 0.61(stat.) {+-} 0.17(syst.).

Dalitz Plot Study Of B0 To K K K0s Decays

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

Dalitz Plot Study Of B0 To K K K0s 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.

We present a study of the dynamics in B{sup 0} {yields} K{sup +}K{sup -}K{sub S}{sup 0} decays with approximately 230 million B{bar B} events collected by the BABAR detector at SLAC. They find that the Dalitz plot distribution is best parameterized with the {phi}K{sub S}{sup 0} mode, an S-wave K{sup +}K{sup -} resonance near 1500 MeV/c{sup 2}, and a large non-resonant contribution. We set limits on resonances not included in the model, and study models for the non-resonant contribution.

Study Of The Decay K Sup 0 Sub L Pi E Nu

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Author :
language : en
Publisher:
Release Date : 1976

Study Of The Decay K Sup 0 Sub L Pi E Nu written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with categories.

Results are reported from a Dalitz plot analysis of 17750 K/sup 0//sub e3/ candidates obtained in an experiment designed to study both the semileptonic and 3.pi. decay modes of the K/sup 0//sub L/ with high efficiency across the Dalitz plot.

Search For The Decay B 0 K 0 S K 0 S K 0 L

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

Search For The Decay B 0 K 0 S K 0 S K 0 L 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.

The authors present the first search for the decay B{sup 0} {yields} K{sub S}{sup 0} K{sub S}{sup 0} K{sub L}{sup 0} using a data sample of 232 million B{bar B} pairs. They find no statistically significant evidence for the non-resonant component of this decay. Our central value for the branching fraction, assuming the tru Dalitz distribution is uniform and excluding the {phi} resonance, is {Beta}(B{sup 0} {yields} K{sub S}{sup 0} K{sub S}{sup 0} K{sub L}{sup 0}) = (2.4{sub -2.5}{sup +2.7} {+-} 0.6) x 10{sup -6} where the errors are statistical and systematic, respectively. They set a single-side Bayesian upper limit of {Beta}(B{sup 0} {yields} K{sub S}{sup 0} K{sub S}{sup 0} K{sub L}{sup 0})