Abazov, V. M. ; Mondal, N. K. ; et., al (2005) Measurement of semileptonic branching fractions of B mesons to narrow D** states Physical Review Letters, 95 (17). p. 171803. ISSN 0031-9007
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Official URL: http://prl.aps.org/abstract/PRL/v95/i17/e171803
Related URL: http://dx.doi.org/10.1103/PhysRevLett.95.171803
Abstract
Using the data accumulated in 2002-2004 with the D0 detector in proton-antiproton collisions at the Fermilab Tevatron collider with a center-of-mass energy of 1.96 TeV, the branching fractions of the decays B→D‾ 10(2420)μ+νμX and B→D‾ 2*0(2460)μ+νμX and their ratio have been measured: B(b‾→B)×B(B→D‾10μ+νμ X)×B(D‾ 10→D*-π+)=[0.087± 0.007(stat)± 0.014(syst)]%;B(b‾→B)×B(B→D‾2*0μ+νμX)×B(D‾2*0→D*-π+)=[0.035±0.007(stat)± 0.008(syst)]% and [B(B→D‾2*0μ+→μ X)×B(D‾2*0→D*-π+)]/[B(B→D‾ 10μ+νμX)×B(D‾10 →D*-π+)]=0.39± 0.09(stat)± 0.12(syst), where the charge conjugated states are always implied.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 66848 |
| Deposited On: | 27 Oct 2011 11:36 |
| Last Modified: | 27 Oct 2011 11:36 |
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