Measurement Of Branching Ratio D0 K Pi Using Partial Reconstruction Of Anti B D X Lepton Anti Neutrino

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Measurement Of Branching Ratio D0 K Pi Using Partial Reconstruction Of Anti B D X Lepton Anti Neutrino

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Author :
language : en
Publisher:
Release Date : 2003

Measurement Of Branching Ratio D0 K Pi Using Partial Reconstruction Of Anti B D X Lepton Anti Neutrino 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 measurement of the absolute branching fraction for D[sup 0][yields] K[sup -][pi][sup+] using the reconstruction of the decay chain[bar B][yields] D*[sup+]X[ell][sup -][bar[nu]], D*[sup+][yields] D[sup 0][pi][sup+] where only the lepton and the low-momentum pion from the D*[sup+] are detected. With data collected by the CLEO II detector at the Cornell Electron Storage Ring, we have determined Br(D[sup 0][yields] K[sup -][pi][sup+])=[3.81[+-] 0.15(stat.)[+-] 0.16(syst.)]%.

A Measurement Of The B0 D 1 Branching Ratio Using A Partial Reconstruction Technique In Babar

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Author : Grigorios Vaitsas
language : en
Publisher:
Release Date : 2004

A Measurement Of The B0 D 1 Branching Ratio Using A Partial Reconstruction Technique In Babar written by Grigorios Vaitsas 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.

Measurement Of Beta B Sup 0 Yields D Sub S Sup D Sup And Determination Of The D Sub S Sup Yields Phi Pi Sup Branching Fraction With A Partial Reconstruction Method

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Author :
language : en
Publisher:
Release Date : 2003

Measurement Of Beta B Sup 0 Yields D Sub S Sup D Sup And Determination Of The D Sub S Sup Yields Phi Pi Sup Branching Fraction With A Partial Reconstruction Method 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 model-independent measurements of the branching fractions[Beta](B[sup 0][yields] D*[sub s][sup+] D*[sup -]) and[Beta](D[sub s][sup+][yields][phi][pi][sup+]) based on 19.3 fb[sup -1] of data collected by the BABAR detector at the PEP-II e[sup+]e[sup -] B Factory. Neutral B-meson decays to the D*[sub s][sup+]D*[sup -] final state are selected with a partial reconstruction of the D*[sub s][sup+]; that is, only the D*[sup -] and the soft photon from the decay D*[sub s][sup+][yields] D[sub s][sup+][gamma] are reconstructed. The branching fraction[Beta](B[sup 0][yields] D*[sub s][sup+] D*[sup -]) is extracted from these event yields, while[Beta](D[sub s][sup+][yields][phi][pi][sup+]) is determined by combining this result with a previous measurement of the product[Beta](B[sup 0][yields] D*[sub s][sup+] D*[sup -]) x[Beta](D[sub s][sup+][yields][phi][pi][sup+]) with partial reconstruction of the D*[sup -]. They obtain the following preliminary results:[Beta](B[sup 0][yields] D*[sub s][sup+] D*[sup -])= (1.50[+-] 0.16[+-] 0.12)%, [Beta](D[sub s][sup+][yields][phi][pi][sup+])= (4.7[+-] 0.6[+-] 0.8)% where the first error is statistical, and the second systematic.

Measurement Of The B0 D A 1 Branching Fraction With Partially Reconstructed D

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Author :
language : en
Publisher:
Release Date : 2003

Measurement Of The B0 D A 1 Branching Fraction With Partially Reconstructed D 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 B[sup 0][yields] D*[sup -] a[sub 1][sup+] branching fraction has been measured with data collected by the BaBar experiment in 1999 and 2000 corresponding to a total integrated luminosity of 20.6 fb[sup -1]. Signal events have been selected using a partial reconstruction technique, in which only the a[sub 1][sup+] and the slow pion ([pi][sub s]) from the D*[sup -] decay are identified. A signal yield of 18400[+-] 1200 events has been found, corresponding to a preliminary branching fraction of (1.20[+-] 0.07(stat)[+-] 0.14(syst))%.

Branching Ratio Measurements Of B J Psi Eta K And B D0k With D0 Pi Pi Pi 0

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Author : Qinglin Zeng
language : en
Publisher:
Release Date : 2005

Branching Ratio Measurements Of B J Psi Eta K And B D0k With D0 Pi Pi Pi 0 written by Qinglin Zeng and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Beta decay categories.

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Author :
language : en
Publisher:
Release Date : 1981

written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with categories.

Measurement Of The Branching Fraction For D S Phi Pi

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Author :
language : en
Publisher:
Release Date : 2003

Measurement Of The Branching Fraction For D S Phi 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 model-independent measurement of[Beta](D[sub s][sup -][yields][phi][pi][sup -])/[Beta](D[sup 0][yields] K[sup -][pi][sup+]) by partially reconstructing the decay[bar B][sup 0][yields] D*[sup+]D*[sub s][sup -]. Using data collected with the CLEO II detector at CESR, they determine[Beta](D[sub s][sup -][yields][phi][pi][sup -])/[Beta](D[sup 0][yields] K[sup -][pi][sup+])= 0.92[+-] 0.20(stat.)[+-] 0.11(syst.). Their measurement of[Beta](D[sup 0][yields] K[sup -][pi][sup+]) then gives[Beta](D[sub s][sup -][yields][phi][pi][sup -])= (3.59[+-] 0.77[+-] 0.48)%.

A Measurement Of The Branching Ratio Of Pi Superscript 0 E Superscript E Superscript Using K Subscript L 3pi Superscript 0 Decays In Flight

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Author : Eric D. Zimmerman
language : en
Publisher:
Release Date : 1999

A Measurement Of The Branching Ratio Of Pi Superscript 0 E Superscript E Superscript Using K Subscript L 3pi Superscript 0 Decays In Flight written by Eric D. Zimmerman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Branching ratios (Nuclear physics) categories.

A Measurement Of The Relative Branching Ratio Br B D0 K Br B D0 Pi In Three D0 Decay Modes

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Author : Hung-Chung Fang
language : en
Publisher:
Release Date : 2011

A Measurement Of The Relative Branching Ratio Br B D0 K Br B D0 Pi In Three D0 Decay Modes written by Hung-Chung Fang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.

Using 1.3 fb-̂1 of data from p-pbar collisions at sqrt{s}=1.96 TeV collected with the CDF II detector at the Fermilab Tevatron, we have measured the relative branching ratio BR(B-̂ -> D0̂ K-̂)/BR(B-̂ -> D0̂ pi-̂) and its charge conjugate in the D0̂ flavor decay mode D0̂_f -> K-̂pi+̂ and the CP-even decay modes D0̂ -> K-̂K+̂ and D0̂ -> pi-̂pi+̂. From these measurements, we derive: R = (7.99 +- 0.33(stat.) +- 0.38(sys.)) %, R_{CP+} = 1.15 +- 0.17(stat.) +- 0.02(sys.), A_{CP+} = 0.10 +- 0.15(stat.) +- 0.02(sys.). These values are consistent with Standard Model expectations.

Measurement Of The Ratio Of Branching Fractions B D0 K Pi

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Author :
language : en
Publisher:
Release Date : 2006

Measurement Of The Ratio Of Branching Fractions B D0 K 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 2006 with categories.

The authors present a measurement of R{sub B}, the ratio of the branching fraction for the rare decay D° → K?− to that for the Cabibbo-favored decay D° → K−?+. Charge conjugate decays are implicitly included. A signal of 2005 ± 104 events for the decay D° → K+?− is obtained using the CDF II detector at the Fermilab Tevatron collider. The data set corresponds to an integrated luminosity of 0.35 fb−1 produced in {bar p}p collisions at √s = 1.96 TeV. Assuming no mixing, they find R{sub B} = [4.05 ± 0.21(stat) ± 0.11(syst)] x 10−3. This measurement is consistent with the world average, and comparable in accuracy with the best measurements from other experiments.