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Measurement of the anti-B0 and B- meson lifetimes

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Measurement of the anti-B0 and B- meson lifetimes. / ALEPH Collaboration.
In: Physics Letters B, Vol. 307, No. 1-2, 1993, p. 194-208.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

ALEPH Collaboration 1993, 'Measurement of the anti-B0 and B- meson lifetimes', Physics Letters B, vol. 307, no. 1-2, pp. 194-208. https://doi.org/10.1016/0370-2693(93)90211-Y

APA

ALEPH Collaboration (1993). Measurement of the anti-B0 and B- meson lifetimes. Physics Letters B, 307(1-2), 194-208. https://doi.org/10.1016/0370-2693(93)90211-Y

Vancouver

ALEPH Collaboration. Measurement of the anti-B0 and B- meson lifetimes. Physics Letters B. 1993;307(1-2):194-208. doi: 10.1016/0370-2693(93)90211-Y

Author

ALEPH Collaboration. / Measurement of the anti-B0 and B- meson lifetimes. In: Physics Letters B. 1993 ; Vol. 307, No. 1-2. pp. 194-208.

Bibtex

@article{5df7b0ecd9054cf0bceb2a967f12b553,
title = "Measurement of the anti-B0 and B- meson lifetimes",
abstract = "The lifetimes of the and B− mesons have been measured with the ALEPH detector at LEP. Semileptonic decays of and B− mesons were partially reconstructed by identifying events containing a lepton with an associated meson. The proper time of the B meson was estimated from the measured decay length and the momentum and mass of the D-lepton system. A fit to the proper time of 77 D∗+ℓ− and 77 D0ℓ− candidates, combined with a constraint on the lifetime ratio () arising from the relative rates of observed D∗+ℓ− and D0ℓ− events, yielded the following lifetimes: .",
author = "D. Buskulic and Alexander Finch and {ALEPH Collaboration}",
year = "1993",
doi = "10.1016/0370-2693(93)90211-Y",
language = "English",
volume = "307",
pages = "194--208",
journal = "Physics Letters B",
issn = "0370-2693",
publisher = "ELSEVIER SCIENCE BV",
number = "1-2",

}

RIS

TY - JOUR

T1 - Measurement of the anti-B0 and B- meson lifetimes

AU - Buskulic, D.

AU - Finch, Alexander

AU - ALEPH Collaboration

PY - 1993

Y1 - 1993

N2 - The lifetimes of the and B− mesons have been measured with the ALEPH detector at LEP. Semileptonic decays of and B− mesons were partially reconstructed by identifying events containing a lepton with an associated meson. The proper time of the B meson was estimated from the measured decay length and the momentum and mass of the D-lepton system. A fit to the proper time of 77 D∗+ℓ− and 77 D0ℓ− candidates, combined with a constraint on the lifetime ratio () arising from the relative rates of observed D∗+ℓ− and D0ℓ− events, yielded the following lifetimes: .

AB - The lifetimes of the and B− mesons have been measured with the ALEPH detector at LEP. Semileptonic decays of and B− mesons were partially reconstructed by identifying events containing a lepton with an associated meson. The proper time of the B meson was estimated from the measured decay length and the momentum and mass of the D-lepton system. A fit to the proper time of 77 D∗+ℓ− and 77 D0ℓ− candidates, combined with a constraint on the lifetime ratio () arising from the relative rates of observed D∗+ℓ− and D0ℓ− events, yielded the following lifetimes: .

U2 - 10.1016/0370-2693(93)90211-Y

DO - 10.1016/0370-2693(93)90211-Y

M3 - Journal article

VL - 307

SP - 194

EP - 208

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

IS - 1-2

ER -