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Observation of the semileptonic decays of B(s) and LAMBDA(b) hadrons at LEP

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Observation of the semileptonic decays of B(s) and LAMBDA(b) hadrons at LEP. / ALEPH Collaboration.
In: Physics Letters B, Vol. 294, No. 1, 1992, p. 145-156.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

ALEPH Collaboration 1992, 'Observation of the semileptonic decays of B(s) and LAMBDA(b) hadrons at LEP', Physics Letters B, vol. 294, no. 1, pp. 145-156. https://doi.org/10.1016/0370-2693(92)91654-R

APA

ALEPH Collaboration (1992). Observation of the semileptonic decays of B(s) and LAMBDA(b) hadrons at LEP. Physics Letters B, 294(1), 145-156. https://doi.org/10.1016/0370-2693(92)91654-R

Vancouver

ALEPH Collaboration. Observation of the semileptonic decays of B(s) and LAMBDA(b) hadrons at LEP. Physics Letters B. 1992;294(1):145-156. doi: 10.1016/0370-2693(92)91654-R

Author

ALEPH Collaboration. / Observation of the semileptonic decays of B(s) and LAMBDA(b) hadrons at LEP. In: Physics Letters B. 1992 ; Vol. 294, No. 1. pp. 145-156.

Bibtex

@article{b54a367b296a4cde96139d52330e16c4,
title = "Observation of the semileptonic decays of B(s) and LAMBDA(b) hadrons at LEP",
abstract = "In 450 000 hadronic Z decays recorded with the ALEPH detector at LEP, the yields of Ds−ℓ+ and Λc+ℓ− combinations have been measured. 16.0 ± 4.3 Ds−ℓ+ combinations were observed in the Ds− → ππ− channel and 17.0 ± 4.5 combinations were observed in the channel. 21.0 ± 5.0 Λc+ℓ− combinations were observed, with the Λc+ reconstructed in the decay mode Λc+ → pK−π+. These events provide evidence for the decays . Assuming that the Bs and Λb semileptonic decays are dominantly three-body, these observed yields, after background subtraction, translate into the following product branching ratios: , .",
author = "D. Buskulic and Alexander Finch and {ALEPH Collaboration}",
year = "1992",
doi = "10.1016/0370-2693(92)91654-R",
language = "English",
volume = "294",
pages = "145--156",
journal = "Physics Letters B",
issn = "0370-2693",
publisher = "ELSEVIER SCIENCE BV",
number = "1",

}

RIS

TY - JOUR

T1 - Observation of the semileptonic decays of B(s) and LAMBDA(b) hadrons at LEP

AU - Buskulic, D.

AU - Finch, Alexander

AU - ALEPH Collaboration

PY - 1992

Y1 - 1992

N2 - In 450 000 hadronic Z decays recorded with the ALEPH detector at LEP, the yields of Ds−ℓ+ and Λc+ℓ− combinations have been measured. 16.0 ± 4.3 Ds−ℓ+ combinations were observed in the Ds− → ππ− channel and 17.0 ± 4.5 combinations were observed in the channel. 21.0 ± 5.0 Λc+ℓ− combinations were observed, with the Λc+ reconstructed in the decay mode Λc+ → pK−π+. These events provide evidence for the decays . Assuming that the Bs and Λb semileptonic decays are dominantly three-body, these observed yields, after background subtraction, translate into the following product branching ratios: , .

AB - In 450 000 hadronic Z decays recorded with the ALEPH detector at LEP, the yields of Ds−ℓ+ and Λc+ℓ− combinations have been measured. 16.0 ± 4.3 Ds−ℓ+ combinations were observed in the Ds− → ππ− channel and 17.0 ± 4.5 combinations were observed in the channel. 21.0 ± 5.0 Λc+ℓ− combinations were observed, with the Λc+ reconstructed in the decay mode Λc+ → pK−π+. These events provide evidence for the decays . Assuming that the Bs and Λb semileptonic decays are dominantly three-body, these observed yields, after background subtraction, translate into the following product branching ratios: , .

U2 - 10.1016/0370-2693(92)91654-R

DO - 10.1016/0370-2693(92)91654-R

M3 - Journal article

VL - 294

SP - 145

EP - 156

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

IS - 1

ER -