We report a measurement of the branching fractions for (B) over bar -> D-({*})(pi)center dot(-)(nu) over bar (center dot) decays based on 341.1 fb(-1) of data collected at the Upsilon(4S) resonance with the BABAR detector at the SLAC PEP-II e(+)e(-) storage rings. Events are tagged by fully reconstructing one of the B mesons in a hadronic decay mode. We obtain B(B--> D-0 center dot(-)(nu) over bar (center dot))=(2.33 +/- 0.09(stat)+/- 0.09(syst))\%, B(B--> D-{*}0 center dot(-)(nu) over bar (center dot))=(5.83 +/- 0.15(stat)+/- 0.30(syst))\%, B((nu) over bar (0)-> D+center dot(-)(nu) over bar (center dot))=(2.21 +/- 0.11(stat)+/- 0.12(syst))\%, B((nu) over bar (0)-> D{*}+center dot(-)(nu) over bar (center dot))=(5.49 +/- 0.16(stat)+/- 0.25(syst))\%, B(B--> D+pi(-)center dot(-)(nu) over bar (center dot))=(0.42 +/- 0.06(stat)+/- 0.03(syst))\%, B(B--> D{*}+pi(-)center dot(-)(nu) over bar (center dot))=(0.59 +/- 0.05(stat)+/- 0.04(syst))\%, B((nu) over bar (0)-> D-0 pi(+)center dot(-)(nu) over bar (center dot))=(0.43 +/- 0.08(stat)+/- 0.03(syst))\%, and B((nu) over bar (0)-> D-{*}0 pi(+)center dot(-)(nu) over bar (center dot))=(0.48 +/- 0.08(stat)+/- 0.04(syst))\%.

Measurement of the branching fractions of exclusive (B)over-bar -> D-(*)(pi)l(-)(nu)over-bar(l) decays in events with a fully reconstructed b meson

BIANCHI, Fabrizio;GAMBA, Diego;
2008-01-01

Abstract

We report a measurement of the branching fractions for (B) over bar -> D-({*})(pi)center dot(-)(nu) over bar (center dot) decays based on 341.1 fb(-1) of data collected at the Upsilon(4S) resonance with the BABAR detector at the SLAC PEP-II e(+)e(-) storage rings. Events are tagged by fully reconstructing one of the B mesons in a hadronic decay mode. We obtain B(B--> D-0 center dot(-)(nu) over bar (center dot))=(2.33 +/- 0.09(stat)+/- 0.09(syst))\%, B(B--> D-{*}0 center dot(-)(nu) over bar (center dot))=(5.83 +/- 0.15(stat)+/- 0.30(syst))\%, B((nu) over bar (0)-> D+center dot(-)(nu) over bar (center dot))=(2.21 +/- 0.11(stat)+/- 0.12(syst))\%, B((nu) over bar (0)-> D{*}+center dot(-)(nu) over bar (center dot))=(5.49 +/- 0.16(stat)+/- 0.25(syst))\%, B(B--> D+pi(-)center dot(-)(nu) over bar (center dot))=(0.42 +/- 0.06(stat)+/- 0.03(syst))\%, B(B--> D{*}+pi(-)center dot(-)(nu) over bar (center dot))=(0.59 +/- 0.05(stat)+/- 0.04(syst))\%, B((nu) over bar (0)-> D-0 pi(+)center dot(-)(nu) over bar (center dot))=(0.43 +/- 0.08(stat)+/- 0.03(syst))\%, and B((nu) over bar (0)-> D-{*}0 pi(+)center dot(-)(nu) over bar (center dot))=(0.48 +/- 0.08(stat)+/- 0.04(syst))\%.
2008
100
15
19
B. Aubert; M. Bona; Y. Karyotakis; J. P. Lees; V. Poireau; X. Prudent; V. Tisserand; A. Zghiche; J. Garra Tico; E. Grauges; L. Lopez; A. Palano; M. Pa...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2318/45656
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