Flavor-specific inclusive B decays to charm

CLEO Collaboration

Research output: Contribution to journalArticle

79 Citations (Scopus)

Abstract

We have measured the branching fractions for B → D®X, B → D®X, and B → D®Xℓ+v. From these results and some previously measured branching fractions, we obtain B(b → cc®s) = (21.9 ± 3.7)%, B(b → sg) < 6.8% at 90% C.L., and B(D0 → K− π+ = (3.69 ± 0.20)%. Implications for the “B semileptonic decay problem” (measured branching fraction being below theoretical expectations) are discussed. With the increase in the value of B(b → cc®s) due to B → DX, the discrepancy is no longer statistically compelling.

Original languageEnglish
Pages (from-to)1150-1155
Number of pages6
JournalPhysical Review Letters
Volume80
Issue number6
DOIs
Publication statusPublished - 1998 Jan 1

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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CLEO Collaboration. / Flavor-specific inclusive B decays to charm. In: Physical Review Letters. 1998 ; Vol. 80, No. 6. pp. 1150-1155.
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title = "Flavor-specific inclusive B decays to charm",
abstract = "We have measured the branching fractions for B → D{\circledR}X, B → D{\circledR}X, and B → D{\circledR}Xℓ+v. From these results and some previously measured branching fractions, we obtain B(b → cc{\circledR}s) = (21.9 ± 3.7){\%}, B(b → sg) < 6.8{\%} at 90{\%} C.L., and B(D0 → K− π+ = (3.69 ± 0.20){\%}. Implications for the “B semileptonic decay problem” (measured branching fraction being below theoretical expectations) are discussed. With the increase in the value of B(b → cc{\circledR}s) due to B → DX, the discrepancy is no longer statistically compelling.",
author = "{CLEO Collaboration} and Coan, {T. E.} and V. Fadeyev and I. Korolkov and Y. Maravin and I. Narsky and V. Shelkov and J. Staeck and R. Stroynowski and I. Volobouev and J. Ye and M. Artuso and F. Azfar and A. Efimov and M. Goldberg and D. He and S. Kopp and Moneti, {G. C.} and R. Mountain and S. Schuh and T. Skwarnicki and S. Stone and G. Viehhauser and X. Xing and J. Bartelt and Csorna, {S. E.} and V. Jain and McLean, {K. W.} and S. Marka and R. Godang and K. Kinoshita and Lai, {I. C.} and P. Pomianowski and S. Schrenk and G. Bonvicini and D. Cinabro and R. Greene and Perera, {L. P.} and Zhou, {G. J.} and B. Barish and M. Chadha and S. Chan and G. Eigen and Miller, {J. S.} and C. O’grady and M. Schmidtler and J. Urheim and Weinstein, {A. J.} and F. W{\"u}rthwein and Bliss, {D. W.} and Youngjoon Kwon",
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Flavor-specific inclusive B decays to charm. / CLEO Collaboration.

In: Physical Review Letters, Vol. 80, No. 6, 01.01.1998, p. 1150-1155.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Flavor-specific inclusive B decays to charm

AU - CLEO Collaboration

AU - Coan, T. E.

AU - Fadeyev, V.

AU - Korolkov, I.

AU - Maravin, Y.

AU - Narsky, I.

AU - Shelkov, V.

AU - Staeck, J.

AU - Stroynowski, R.

AU - Volobouev, I.

AU - Ye, J.

AU - Artuso, M.

AU - Azfar, F.

AU - Efimov, A.

AU - Goldberg, M.

AU - He, D.

AU - Kopp, S.

AU - Moneti, G. C.

AU - Mountain, R.

AU - Schuh, S.

AU - Skwarnicki, T.

AU - Stone, S.

AU - Viehhauser, G.

AU - Xing, X.

AU - Bartelt, J.

AU - Csorna, S. E.

AU - Jain, V.

AU - McLean, K. W.

AU - Marka, S.

AU - Godang, R.

AU - Kinoshita, K.

AU - Lai, I. C.

AU - Pomianowski, P.

AU - Schrenk, S.

AU - Bonvicini, G.

AU - Cinabro, D.

AU - Greene, R.

AU - Perera, L. P.

AU - Zhou, G. J.

AU - Barish, B.

AU - Chadha, M.

AU - Chan, S.

AU - Eigen, G.

AU - Miller, J. S.

AU - O’grady, C.

AU - Schmidtler, M.

AU - Urheim, J.

AU - Weinstein, A. J.

AU - Würthwein, F.

AU - Bliss, D. W.

AU - Kwon, Youngjoon

PY - 1998/1/1

Y1 - 1998/1/1

N2 - We have measured the branching fractions for B → D®X, B → D®X, and B → D®Xℓ+v. From these results and some previously measured branching fractions, we obtain B(b → cc®s) = (21.9 ± 3.7)%, B(b → sg) < 6.8% at 90% C.L., and B(D0 → K− π+ = (3.69 ± 0.20)%. Implications for the “B semileptonic decay problem” (measured branching fraction being below theoretical expectations) are discussed. With the increase in the value of B(b → cc®s) due to B → DX, the discrepancy is no longer statistically compelling.

AB - We have measured the branching fractions for B → D®X, B → D®X, and B → D®Xℓ+v. From these results and some previously measured branching fractions, we obtain B(b → cc®s) = (21.9 ± 3.7)%, B(b → sg) < 6.8% at 90% C.L., and B(D0 → K− π+ = (3.69 ± 0.20)%. Implications for the “B semileptonic decay problem” (measured branching fraction being below theoretical expectations) are discussed. With the increase in the value of B(b → cc®s) due to B → DX, the discrepancy is no longer statistically compelling.

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U2 - 10.1103/PhysRevLett.80.1150

DO - 10.1103/PhysRevLett.80.1150

M3 - Article

VL - 80

SP - 1150

EP - 1155

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 6

ER -