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Production of orbitally excited charm mesons in semileptonic B decays

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Published

Standard

Production of orbitally excited charm mesons in semileptonic B decays. / ALEPH Collaboration.
In: Zeitschrift für Physik C Particles and Fields, Vol. 73, No. 4, 1997, p. 601-612.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

ALEPH Collaboration 1997, 'Production of orbitally excited charm mesons in semileptonic B decays', Zeitschrift für Physik C Particles and Fields, vol. 73, no. 4, pp. 601-612.

APA

ALEPH Collaboration (1997). Production of orbitally excited charm mesons in semileptonic B decays. Zeitschrift für Physik C Particles and Fields, 73(4), 601-612.

Vancouver

ALEPH Collaboration. Production of orbitally excited charm mesons in semileptonic B decays. Zeitschrift für Physik C Particles and Fields. 1997;73(4):601-612.

Author

ALEPH Collaboration. / Production of orbitally excited charm mesons in semileptonic B decays. In: Zeitschrift für Physik C Particles and Fields. 1997 ; Vol. 73, No. 4. pp. 601-612.

Bibtex

@article{9c361bb8a3ca4ea8b6ef6af8592b4db4,
title = "Production of orbitally excited charm mesons in semileptonic B decays",
abstract = "A sample of 3.6 million hadronic Z decays recorded between 1991 and 1995 with the ALEPH detector at LEP is used to investigate semileptonic decays of B mesons into final states involving orbitally excited charm mesons. Topological vertex criteria are used to search for decays involving narrow D** states as well as wide D** resonances and non-resonant D(*)pi final states. The sum of the branching ratios for these processes is measured to beBr((B) over bar --> D pi l(-)(v) over bar) + Br((B) over bar --> D*pi l(-)(v) over bar)= (2.26 +/-t 0.29(stat) +/- 0.33(syst))%,which accounts for a significant fraction of the deficit between inclusive measurements and the sum of exclusive semileptonic B decay modes.",
author = "D. Buskulic and Alexander Finch and {ALEPH Collaboration}",
year = "1997",
language = "English",
volume = "73",
pages = "601--612",
journal = "Zeitschrift f{\"u}r Physik C Particles and Fields",
issn = "0170-9739",
publisher = "Springer Verlag",
number = "4",

}

RIS

TY - JOUR

T1 - Production of orbitally excited charm mesons in semileptonic B decays

AU - Buskulic, D.

AU - Finch, Alexander

AU - ALEPH Collaboration

PY - 1997

Y1 - 1997

N2 - A sample of 3.6 million hadronic Z decays recorded between 1991 and 1995 with the ALEPH detector at LEP is used to investigate semileptonic decays of B mesons into final states involving orbitally excited charm mesons. Topological vertex criteria are used to search for decays involving narrow D** states as well as wide D** resonances and non-resonant D(*)pi final states. The sum of the branching ratios for these processes is measured to beBr((B) over bar --> D pi l(-)(v) over bar) + Br((B) over bar --> D*pi l(-)(v) over bar)= (2.26 +/-t 0.29(stat) +/- 0.33(syst))%,which accounts for a significant fraction of the deficit between inclusive measurements and the sum of exclusive semileptonic B decay modes.

AB - A sample of 3.6 million hadronic Z decays recorded between 1991 and 1995 with the ALEPH detector at LEP is used to investigate semileptonic decays of B mesons into final states involving orbitally excited charm mesons. Topological vertex criteria are used to search for decays involving narrow D** states as well as wide D** resonances and non-resonant D(*)pi final states. The sum of the branching ratios for these processes is measured to beBr((B) over bar --> D pi l(-)(v) over bar) + Br((B) over bar --> D*pi l(-)(v) over bar)= (2.26 +/-t 0.29(stat) +/- 0.33(syst))%,which accounts for a significant fraction of the deficit between inclusive measurements and the sum of exclusive semileptonic B decay modes.

M3 - Journal article

VL - 73

SP - 601

EP - 612

JO - Zeitschrift für Physik C Particles and Fields

JF - Zeitschrift für Physik C Particles and Fields

SN - 0170-9739

IS - 4

ER -