Semileptonic Decay of the Neutral B Meson Into a D Meson PDF Download
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Author: Cristiano Borean
Publisher:
ISBN:
Category :
Languages : en
Pages : 244
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Author: Cristiano Borean
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ISBN:
Category :
Languages : en
Pages : 244
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Author: Ye Liu
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Category :
Languages : en
Pages : 272
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Author: Sang-Joon Lee
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Category :
Languages : en
Pages : 336
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Author:
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Category :
Languages : en
Pages :
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A largely model-independent measurement of the inclusive electron momentum spectrum and branching fraction for semileptonic decays of B mesons is presented based on data recorded at the[Upsilon](4S) resonance with the BABAR detector. Backgrounds from secondary charm decays are separated from prompt B decays using charge and angular correlations between the electron from one B meson and a high momentum electron tag from the second B meson. The resulting branching fraction is[Beta](B[yields] Xe[nu])= (10.87[+-] 0.18(stat)[+-] 0.30(syst))%. Based on this measurement we determine the CKM matrix elementV[sub cb].
![Measurement of the Form Factors and Branching Ratio for the Charmed Meson Semileptonic Decay Mode D--−K*0(892)[mu]+[nu][subscript Mu] PDF](https://books.google.com/books/content/images/frontcover/jqRsNwAACAAJ?fife=w80-h100)
Author: Steven W. Culy
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ISBN:
Category : Mesons
Languages : en
Pages : 452
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Author: Kenneth Arthur Bloom
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Category :
Languages : en
Pages : 584
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Author: Jeremy Bryce Williams
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ISBN:
Category :
Languages : en
Pages : 414
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![Measurement of the Branching Fraction of the Semileptonic Decay Anti-B0 ---] D*+ Mu- Anti-Muon-Neutrino in the BaBar Experiments PDF](https://books.google.com/books/content/images/frontcover/2fqOAQAACAAJ?fife=w80-h100)
Author: Douglas Michael Thiessen
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ISBN:
Category :
Languages : en
Pages : 125
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This thesis presents a measurement of the branching fraction for the exclusive semileptonic decay {bar B}{sup 0} {yields} D*{sup +}{mu}{sup -}{nu}{sub {mu}}. This decay is essentially the decay of a b quark to a c quark inside the meson with the release of a muon and neutrino, and it provides a very clean signal for measuring various B meson decay properties. the data for this measurement consist of 22.3 million B{bar B} pairs collected by the BABAR detector at the Stanford Linear Accelerator Center in 1999-2000. The branching fraction is measured to be {Beta}({bar B}{sup 0} {yields} D*{sup +}{mu}{sup -}{bar {nu}}{sub {mu}}) = [4.72 {+-} 0.10 (data stat.) {+-} 0.06 (MC stat.) {+-} 0.20 (syst.) {+-} 0.17 (other {Beta})]%.
Author: J. C. Chen
Publisher:
ISBN:
Category :
Languages : en
Pages : 14
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We present a preliminary measurement of the branching fraction of the B meson decay B{sup 0} {yields} a{sub 1}{sup +}(1260){pi}{sup -}with a{sub 1}{sup +}(1260) {yields} {pi}{sup +}{pi}{sup +}{pi}{sup -}. The data sample corresponds to 218 x 10{sup 6} B{bar B} pairs produced in e{sup +}e{sup -} annihilation through the {Upsilon}(4S) resonance. We find the branching fraction (40.2 {+-} 3.9 {+-} 3.9) x 10{sup -6}, where the first error quoted is statistical and the second is systematic. The fitted values of the a{sub 1}(1260) parameters are m{sub a{sub 1}} = 1.22 {+-} 0.02 GeV/c{sup 2} and {Lambda}{sub a{sub 1}} = 0.423 {+-} 0.050 GeV/c{sup 2}.
Author: ARGUS Collaboration
Publisher:
ISBN:
Category :
Languages : en
Pages : 12
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