Analysis of Semileptonic Decays of B Mesons and D Mesons PDF Download
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Author: Kenneth Arthur Bloom
Publisher:
ISBN:
Category :
Languages : en
Pages : 584
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Author: Kenneth Arthur Bloom
Publisher:
ISBN:
Category :
Languages : en
Pages : 584
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Author: Ye Liu
Publisher:
ISBN:
Category :
Languages : en
Pages : 272
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Author: Mauricio Garcia-Sciveres
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ISBN:
Category :
Languages : en
Pages : 338
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![Search for Semileptonic Decays in the B Meson Into the [Lambda]+[subscript C] Baryon PDF](https://books.google.com/books/content/images/frontcover/PGVRAQAAMAAJ?fife=w80-h100)
Author: Tomohiko Tanabe
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ISBN:
Category :
Languages : en
Pages : 248
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Author:
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Category :
Languages : en
Pages :
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An analysis of semileptonic decays of B mesons with the emission of a single soft pion is presented in the framework of the heavy-quark limit using an effective Lagrangian which implements chiral and heavy-quark symmetries. The analysis is performed at leading order of the chiral and inverse heavy mass expansions. In addition to the ground state heavy mesons some of their resonances are included. The estimates of the various coupling constants and form factors needed in the analysis are obtained using a chiral quark model. As the main result, a clear indication is found that the 0 and 1+ resonances substantially affect the decay mode with a D{sup *} in the final state, and a less dramatic effect is also noticed in the D mode. An analysis of the decay spectrum in the D{sup *}-?2 invariant mass is carried out, showing the main effects of including the resonances. The obtained rates show promising prospects for studies of soft pion emission in semileptonic B-meson decays in a B-meson factory where, module experimental cuts, about 105 such decays in the D meson mode and 104 in the D{sup *} mode could be observed per year.
Author: Xu Fu
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ISBN:
Category : Mesons
Languages : en
Pages : 208
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Author:
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Category :
Languages : en
Pages : 14
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The lifetimes of B and B° mesons have been measured using a sample of 150,000 hadronic Z° decays collected by the SLD experiment at the SLC between 1993 and 1995. The analysis identifies the semileptonic decays of B mesons with high (p, p{sub t}) leptons and reconstructs the B meson decay length and charge by vertexing the lepton with a partially reconstructed D meson. This method results in a sample of 634 (584) charged (neutral) decays with high charge purity. A maximum likelihood fit finds: [tau]{sub B{sup +}} = 1.60{sub -0.11}{sup +0.12}(stat) ± 0.06(syst) ps, [tau]{sub B{sup 0}} = 1.55{sub -0.12}{sup +0.13}(stat) ± 0.09(syst) ps, and the ratio [tau]{sub B{sup +}}/[tau]{sub B{sup 0}} = 1.03{sub -0.13}{sup +0.15}(stat) ± 0.08(syst).
Author: Jeffrey Kevin Nelson
Publisher:
ISBN:
Category :
Languages : en
Pages : 556
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Author: Suzanne Lorraine Jones
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ISBN:
Category :
Languages : en
Pages : 216
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Author: Leo Bellantoni
Publisher:
ISBN:
Category :
Languages : en
Pages : 280
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