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Study of $B^0_s$ oscillations and lifetime using fully reconstructed $D_s$ - decays

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Study of $B^0_s$ oscillations and lifetime using fully reconstructed $D_s$ - decays. / ALEPH Collaboration, The; Barate, R.; Betteridge, Andrew; Bowdery, Christopher; Colrain, Paul; Finch, Alexander; Foster, Frank; Hughes, Gareth; Jones, Roger; Williams, Mark.

In: The European Physical Journal C (EPJ C) - Particles and Fields, Vol. 4, No. 3, 07.1998, p. 367-385.

Research output: Contribution to journalJournal article

Harvard

ALEPH Collaboration, T, Barate, R, Betteridge, A, Bowdery, C, Colrain, P, Finch, A, Foster, F, Hughes, G, Jones, R & Williams, M 1998, 'Study of $B^0_s$ oscillations and lifetime using fully reconstructed $D_s$ - decays', The European Physical Journal C (EPJ C) - Particles and Fields, vol. 4, no. 3, pp. 367-385. https://doi.org/10.1007/s100520050215

APA

ALEPH Collaboration, T., Barate, R., Betteridge, A., Bowdery, C., Colrain, P., Finch, A., Foster, F., Hughes, G., Jones, R., & Williams, M. (1998). Study of $B^0_s$ oscillations and lifetime using fully reconstructed $D_s$ - decays. The European Physical Journal C (EPJ C) - Particles and Fields, 4(3), 367-385. https://doi.org/10.1007/s100520050215

Vancouver

ALEPH Collaboration T, Barate R, Betteridge A, Bowdery C, Colrain P, Finch A et al. Study of $B^0_s$ oscillations and lifetime using fully reconstructed $D_s$ - decays. The European Physical Journal C (EPJ C) - Particles and Fields. 1998 Jul;4(3):367-385. https://doi.org/10.1007/s100520050215

Author

ALEPH Collaboration, The ; Barate, R. ; Betteridge, Andrew ; Bowdery, Christopher ; Colrain, Paul ; Finch, Alexander ; Foster, Frank ; Hughes, Gareth ; Jones, Roger ; Williams, Mark. / Study of $B^0_s$ oscillations and lifetime using fully reconstructed $D_s$ - decays. In: The European Physical Journal C (EPJ C) - Particles and Fields. 1998 ; Vol. 4, No. 3. pp. 367-385.

Bibtex

@article{1d351017240f4d2a91d6f2ba63126f3d,
title = "Study of $B^0_s$ oscillations and lifetime using fully reconstructed $D_s$ - decays",
abstract = "A search for B0s oscillations is performed using approximately 4 million Z→qq¯ events collected by the ALEPH experiment during 1991–1995. B0s candidates are partially reconstructed by combining tracks with fully reconstructed D−s candidates. The B0s production flavour is estimated from the sign of the opposite hemisphere charge, a fragmentation kaon in the same hemisphere, or a lepton in the opposite hemisphere. From a total sample of 1620 candidates, with a B0s purity estimated to be 22%, all values of Δms below 3.9 ps −1 and between 6.5 and 8.8 ps −1 are excluded at 95% CL. From the same sample, the B0s lifetime is measured to be τs=1.47±0.14(stat)±0.08(syst) ps. This analysis selects mainly hadronic B0s decays and is statistically independent of a previous ALEPH analysis selecting B0s→D(∗)−sℓ+ν candidates. Combining these two analyses yields Δms>7.9 ps −1 at 95% CL and τs=1.51±0.11 ps.",
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 = "1998",
month = jul
doi = "10.1007/s100520050215",
language = "English",
volume = "4",
pages = "367--385",
journal = "European Physical Journal C: Particles and Fields",
issn = "1434-6044",
publisher = "SPRINGER",
number = "3",

}

RIS

TY - JOUR

T1 - Study of $B^0_s$ oscillations and lifetime using fully reconstructed $D_s$ - decays

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 - 1998/7

Y1 - 1998/7

N2 - A search for B0s oscillations is performed using approximately 4 million Z→qq¯ events collected by the ALEPH experiment during 1991–1995. B0s candidates are partially reconstructed by combining tracks with fully reconstructed D−s candidates. The B0s production flavour is estimated from the sign of the opposite hemisphere charge, a fragmentation kaon in the same hemisphere, or a lepton in the opposite hemisphere. From a total sample of 1620 candidates, with a B0s purity estimated to be 22%, all values of Δms below 3.9 ps −1 and between 6.5 and 8.8 ps −1 are excluded at 95% CL. From the same sample, the B0s lifetime is measured to be τs=1.47±0.14(stat)±0.08(syst) ps. This analysis selects mainly hadronic B0s decays and is statistically independent of a previous ALEPH analysis selecting B0s→D(∗)−sℓ+ν candidates. Combining these two analyses yields Δms>7.9 ps −1 at 95% CL and τs=1.51±0.11 ps.

AB - A search for B0s oscillations is performed using approximately 4 million Z→qq¯ events collected by the ALEPH experiment during 1991–1995. B0s candidates are partially reconstructed by combining tracks with fully reconstructed D−s candidates. The B0s production flavour is estimated from the sign of the opposite hemisphere charge, a fragmentation kaon in the same hemisphere, or a lepton in the opposite hemisphere. From a total sample of 1620 candidates, with a B0s purity estimated to be 22%, all values of Δms below 3.9 ps −1 and between 6.5 and 8.8 ps −1 are excluded at 95% CL. From the same sample, the B0s lifetime is measured to be τs=1.47±0.14(stat)±0.08(syst) ps. This analysis selects mainly hadronic B0s decays and is statistically independent of a previous ALEPH analysis selecting B0s→D(∗)−sℓ+ν candidates. Combining these two analyses yields Δms>7.9 ps −1 at 95% CL and τs=1.51±0.11 ps.

U2 - 10.1007/s100520050215

DO - 10.1007/s100520050215

M3 - Journal article

VL - 4

SP - 367

EP - 385

JO - European Physical Journal C: Particles and Fields

JF - European Physical Journal C: Particles and Fields

SN - 1434-6044

IS - 3

ER -