Measurement of the $B^-$ and $\bar{B}^0$ meson lifetimes using semileptonic decays - INSPIRE

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Measurement of the $B^-$ and $\bar{B}^0$ meson lifetimes using semileptonic decays

CDF

Collaboration

•

F. Abe
(
- KEK, Tsukuba
)

Feb, 1996

15 pages

Published in:

Phys.Rev.Lett. 76 (1996) 4462-4467

DOI:

10.1103/PhysRevLett.76.4462

PDG:

{{\mathit B}^{\pm}}

Report number:

FERMILAB-PUB-96-041-E,
CDF-PUB-BOTTOM-PUB-3492

Experiments:

FNAL-E-0741

View in:

OSTI Information Bridge Server

reference search41 citations

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Abstract: (APS)

The lifetimes of the B− and B¯0 mesons are measured using the partially reconstructed semileptonic decays B¯→Dℓ−ν¯X, where D is either a D0 or D*+ meson. The data were collected by the CDF detector at the Fermilab Tevatron collider during 1992–1993 and correspond to 19.3 pb−1 of p¯p collisions at s=1.8 TeV. We measure the decay length distributions and find the lifetimes to be τ(B−)=1.56±0.13±0.06 ps and τ(B¯0)=1.54±0.08±0.06 ps, and the ratio of lifetimes to be τ(B−)/τ(B¯0)=1.01±0.11±0.02, where the first uncertainties are statistical and the second are systematic.

anti-p p: colliding beams
colliding beams: anti-p p
anti-p p: inclusive reaction
B: hadroproduction
hadroproduction: B
B: semileptonic decay
semileptonic decay: B
B-: lifetime
anti-B0: lifetime
lifetime: ratio

References(23)

Figures(0)

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