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Study of the Bs0s0 oscillation frequency using Ds− ℓ+ combinations in Z decays

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Study of the Bs0s0 oscillation frequency using Ds− ℓ+ combinations in Z decays. / ALEPH Collaboration.
In: Physics Letters B, Vol. 377, No. 1-3, 1996, p. 205-221.

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

Harvard

ALEPH Collaboration 1996, 'Study of the Bs0s0 oscillation frequency using Ds− ℓ+ combinations in Z decays', Physics Letters B, vol. 377, no. 1-3, pp. 205-221. https://doi.org/10.1016/0370-2693(96)00451-0

APA

ALEPH Collaboration (1996). Study of the Bs0s0 oscillation frequency using Ds− ℓ+ combinations in Z decays. Physics Letters B, 377(1-3), 205-221. https://doi.org/10.1016/0370-2693(96)00451-0

Vancouver

ALEPH Collaboration. Study of the Bs0s0 oscillation frequency using Ds− ℓ+ combinations in Z decays. Physics Letters B. 1996;377(1-3):205-221. doi: 10.1016/0370-2693(96)00451-0

Author

ALEPH Collaboration. / Study of the Bs0s0 oscillation frequency using Ds− ℓ+ combinations in Z decays. In: Physics Letters B. 1996 ; Vol. 377, No. 1-3. pp. 205-221.

Bibtex

@article{24582bc900bd458fb0a46b290d2c2d2d,
title = "Study of the Bs0s0 oscillation frequency using Ds− ℓ+ combinations in Z decays",
abstract = "A lower limit on the oscillation frequency of the Bs0s0 system is obtained from approximately four million hadronic Z decays accumulated using the ALEPH detector at LEP from 1991 to 1995. Leptons are combined with opposite sign Ds− candidates reconstructed in seven different decay modes as evidence of semileptonic Bs0 decays. Criteria designed to ensure precise proper time reconstruction select 277Ds−ℓ+ combinations. The initial state of these Bs0 candidates is determined using an algorithm optimized to efficiently utilise the tagging information available for each event. The limit at 95% confidence level on the Bs0s0 oscillation frequency is Δms > 6.6 ps−1. The same data is used to update the measurement of the Bs0 lifetime,τs = 1.54−0.13+0.14 (stat) ± 0.04 (syst) ps.",
author = "D. Buskulic and Alexander Finch and {ALEPH Collaboration}",
year = "1996",
doi = "10.1016/0370-2693(96)00451-0",
language = "English",
volume = "377",
pages = "205--221",
journal = "Physics Letters B",
issn = "0370-2693",
publisher = "ELSEVIER SCIENCE BV",
number = "1-3",

}

RIS

TY - JOUR

T1 - Study of the Bs0s0 oscillation frequency using Ds− ℓ+ combinations in Z decays

AU - Buskulic, D.

AU - Finch, Alexander

AU - ALEPH Collaboration

PY - 1996

Y1 - 1996

N2 - A lower limit on the oscillation frequency of the Bs0s0 system is obtained from approximately four million hadronic Z decays accumulated using the ALEPH detector at LEP from 1991 to 1995. Leptons are combined with opposite sign Ds− candidates reconstructed in seven different decay modes as evidence of semileptonic Bs0 decays. Criteria designed to ensure precise proper time reconstruction select 277Ds−ℓ+ combinations. The initial state of these Bs0 candidates is determined using an algorithm optimized to efficiently utilise the tagging information available for each event. The limit at 95% confidence level on the Bs0s0 oscillation frequency is Δms > 6.6 ps−1. The same data is used to update the measurement of the Bs0 lifetime,τs = 1.54−0.13+0.14 (stat) ± 0.04 (syst) ps.

AB - A lower limit on the oscillation frequency of the Bs0s0 system is obtained from approximately four million hadronic Z decays accumulated using the ALEPH detector at LEP from 1991 to 1995. Leptons are combined with opposite sign Ds− candidates reconstructed in seven different decay modes as evidence of semileptonic Bs0 decays. Criteria designed to ensure precise proper time reconstruction select 277Ds−ℓ+ combinations. The initial state of these Bs0 candidates is determined using an algorithm optimized to efficiently utilise the tagging information available for each event. The limit at 95% confidence level on the Bs0s0 oscillation frequency is Δms > 6.6 ps−1. The same data is used to update the measurement of the Bs0 lifetime,τs = 1.54−0.13+0.14 (stat) ± 0.04 (syst) ps.

U2 - 10.1016/0370-2693(96)00451-0

DO - 10.1016/0370-2693(96)00451-0

M3 - Journal article

VL - 377

SP - 205

EP - 221

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

IS - 1-3

ER -