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Measurement of the Λb lifetime and mass

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Measurement of the Λb lifetime and mass. / The ATLAS collaboration.
In: Physical Review D – Particles and Fields, Vol. 87, No. 3, 032002, 04.02.2013.

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

Harvard

The ATLAS collaboration 2013, 'Measurement of the Λb lifetime and mass', Physical Review D – Particles and Fields, vol. 87, no. 3, 032002. https://doi.org/10.1103/PhysRevD.87.032002

APA

The ATLAS collaboration (2013). Measurement of the Λb lifetime and mass. Physical Review D – Particles and Fields, 87(3), Article 032002. https://doi.org/10.1103/PhysRevD.87.032002

Vancouver

The ATLAS collaboration. Measurement of the Λb lifetime and mass. Physical Review D – Particles and Fields. 2013 Feb 4;87(3):032002. doi: 10.1103/PhysRevD.87.032002

Author

The ATLAS collaboration. / Measurement of the Λb lifetime and mass. In: Physical Review D – Particles and Fields. 2013 ; Vol. 87, No. 3.

Bibtex

@article{44553cb245b14ca9a7a6b616cc1257b5,
title = "Measurement of the Λb lifetime and mass",
abstract = "A measurement of the Λb0 lifetime and mass in the decay channel Λb0→J/ψ(μ+μ-)Λ0(pπ-) is presented. The analysis uses a signal sample of about 2200 Λb0 and Λ̅ b0 decays that are reconstructed in 4.9  fb-1 of ATLAS pp collision data collected in 2011 at the LHC center-of-mass energy of 7 TeV. A simultaneous mass and decay time maximum likelihood fit is used to extract the Λb0 lifetime and mass. They are measured to be τΛb=1.449±0.036(stat)±0.017(syst)  ps and mΛb=5619.7±0.7(stat)±1.1(syst)  MeV.",
author = "Roger Jones and Alexandre Chilingarov and Vakhtang Kartvelishvili and Peter Love and Guennadi Borissov and Harald Fox and Maria Smizanska and Evelina Bouhova-Thacker and Ruth Davidson and {de Mora}, Lee and William Dearnaley and James Walder and Gareth Hughes and Robin Long and Adam Barton and Harvey Maddocks and Robert Henderson and Lee Allison and Kathryn Grimm and Darren Price and {The ATLAS collaboration}",
note = "{\textcopyright} 2013 CERN, for the ATLAS Collaboration",
year = "2013",
month = feb,
day = "4",
doi = "10.1103/PhysRevD.87.032002",
language = "English",
volume = "87",
journal = "Physical Review D – Particles and Fields",
issn = "1550-2368",
publisher = "American Physical Society",
number = "3",

}

RIS

TY - JOUR

T1 - Measurement of the Λb lifetime and mass

AU - Jones, Roger

AU - Chilingarov, Alexandre

AU - Kartvelishvili, Vakhtang

AU - Love, Peter

AU - Borissov, Guennadi

AU - Fox, Harald

AU - Smizanska, Maria

AU - Bouhova-Thacker, Evelina

AU - Davidson, Ruth

AU - de Mora, Lee

AU - Dearnaley, William

AU - Walder, James

AU - Hughes, Gareth

AU - Long, Robin

AU - Barton, Adam

AU - Maddocks, Harvey

AU - Henderson, Robert

AU - Allison, Lee

AU - Grimm, Kathryn

AU - Price, Darren

AU - The ATLAS collaboration

N1 - © 2013 CERN, for the ATLAS Collaboration

PY - 2013/2/4

Y1 - 2013/2/4

N2 - A measurement of the Λb0 lifetime and mass in the decay channel Λb0→J/ψ(μ+μ-)Λ0(pπ-) is presented. The analysis uses a signal sample of about 2200 Λb0 and Λ̅ b0 decays that are reconstructed in 4.9  fb-1 of ATLAS pp collision data collected in 2011 at the LHC center-of-mass energy of 7 TeV. A simultaneous mass and decay time maximum likelihood fit is used to extract the Λb0 lifetime and mass. They are measured to be τΛb=1.449±0.036(stat)±0.017(syst)  ps and mΛb=5619.7±0.7(stat)±1.1(syst)  MeV.

AB - A measurement of the Λb0 lifetime and mass in the decay channel Λb0→J/ψ(μ+μ-)Λ0(pπ-) is presented. The analysis uses a signal sample of about 2200 Λb0 and Λ̅ b0 decays that are reconstructed in 4.9  fb-1 of ATLAS pp collision data collected in 2011 at the LHC center-of-mass energy of 7 TeV. A simultaneous mass and decay time maximum likelihood fit is used to extract the Λb0 lifetime and mass. They are measured to be τΛb=1.449±0.036(stat)±0.017(syst)  ps and mΛb=5619.7±0.7(stat)±1.1(syst)  MeV.

UR - http://www.scopus.com/inward/record.url?scp=84873686778&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.87.032002

DO - 10.1103/PhysRevD.87.032002

M3 - Journal article

VL - 87

JO - Physical Review D – Particles and Fields

JF - Physical Review D – Particles and Fields

SN - 1550-2368

IS - 3

M1 - 032002

ER -