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Search for B0(s) oscillations using inclusive lepton events. / ALEPH Collaboration, The; Barate, R.; Betteridge, Andrew et al.
In:
The European Physical Journal C (EPJ C) - Particles and Fields, Vol. 7, No. 4, 03.1999, p. 553-569.
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Harvard
ALEPH Collaboration, T, Barate, R, Betteridge, A
, Bowdery, C, Colrain, P
, Finch, A, Foster, F
, Hughes, G, Jones, R & Williams, M 1999, '
Search for B0(s) oscillations using inclusive lepton events',
The European Physical Journal C (EPJ C) - Particles and Fields, vol. 7, no. 4, pp. 553-569.
https://doi.org/10.1007/s100529901108APA
ALEPH Collaboration, T., Barate, R., Betteridge, A.
, Bowdery, C., Colrain, P.
, Finch, A., Foster, F.
, Hughes, G., Jones, R., & Williams, M. (1999).
Search for B0(s) oscillations using inclusive lepton events.
The European Physical Journal C (EPJ C) - Particles and Fields,
7(4), 553-569.
https://doi.org/10.1007/s100529901108Vancouver
Author
Bibtex
@article{fa644e1a5a2e4a1ca593191026b67a4a,
title = "Search for B0(s) oscillations using inclusive lepton events",
abstract = "A search for B0s oscillations is performed using a sample of semileptonic b-hadron decays collected by the ALEPH experiment during 1991–95. Compared to previous inclusive lepton analyses, the proper time resolution and b-flavour mistag rate are significantly improved. Additional sensitivity to B0s mixing is obtained by identifying subsamples of events having a B0s purity which is higher than the average for the whole data sample. Unbinned maximum likelihood amplitude fits are performed to derive a lower limit of Δms>9.5ps−1 at the 95% confidence limit (95% CL). Combining with the ALEPH D−s -based analyses yields Δms>9.6ps−1 at 95% CL.",
author = "{ALEPH Collaboration}, The and R. Barate and Andrew Betteridge and Christopher Bowdery and Paul Colrain and Alexander Finch and Frank Foster and Gareth Hughes and Roger Jones and Mark Williams",
year = "1999",
month = mar,
doi = "10.1007/s100529901108",
language = "English",
volume = "7",
pages = "553--569",
journal = "The European Physical Journal C (EPJ C) - Particles and Fields",
issn = "1434-6052",
publisher = "SPRINGER",
number = "4",
}
RIS
TY - JOUR
T1 - Search for B0(s) oscillations using inclusive lepton events
AU - ALEPH Collaboration, The
AU - Barate, R.
AU - Betteridge, Andrew
AU - Bowdery, Christopher
AU - Colrain, Paul
AU - Finch, Alexander
AU - Foster, Frank
AU - Hughes, Gareth
AU - Jones, Roger
AU - Williams, Mark
PY - 1999/3
Y1 - 1999/3
N2 - A search for B0s oscillations is performed using a sample of semileptonic b-hadron decays collected by the ALEPH experiment during 1991–95. Compared to previous inclusive lepton analyses, the proper time resolution and b-flavour mistag rate are significantly improved. Additional sensitivity to B0s mixing is obtained by identifying subsamples of events having a B0s purity which is higher than the average for the whole data sample. Unbinned maximum likelihood amplitude fits are performed to derive a lower limit of Δms>9.5ps−1 at the 95% confidence limit (95% CL). Combining with the ALEPH D−s -based analyses yields Δms>9.6ps−1 at 95% CL.
AB - A search for B0s oscillations is performed using a sample of semileptonic b-hadron decays collected by the ALEPH experiment during 1991–95. Compared to previous inclusive lepton analyses, the proper time resolution and b-flavour mistag rate are significantly improved. Additional sensitivity to B0s mixing is obtained by identifying subsamples of events having a B0s purity which is higher than the average for the whole data sample. Unbinned maximum likelihood amplitude fits are performed to derive a lower limit of Δms>9.5ps−1 at the 95% confidence limit (95% CL). Combining with the ALEPH D−s -based analyses yields Δms>9.6ps−1 at 95% CL.
U2 - 10.1007/s100529901108
DO - 10.1007/s100529901108
M3 - Journal article
VL - 7
SP - 553
EP - 569
JO - The European Physical Journal C (EPJ C) - Particles and Fields
JF - The European Physical Journal C (EPJ C) - Particles and Fields
SN - 1434-6052
IS - 4
ER -
