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Determination of the strong coupling αS from hadronic event shapes with O(\ensuremathαS3) and resummed QCD predictions using JADE data

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Determination of the strong coupling αS from hadronic event shapes with O(\ensuremathαS3) and resummed QCD predictions using JADE data. / JADE Collaboration ; Bowdery, Christopher; Foster, Frank et al.
In: European Physical Journal C: Particles and Fields, Vol. 64, No. 3, 12.2009, p. 351-360.

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

Harvard

JADE Collaboration, Bowdery, C, Foster, F & Hughes, G 2009, 'Determination of the strong coupling αS from hadronic event shapes with O(\ensuremathαS3) and resummed QCD predictions using JADE data', European Physical Journal C: Particles and Fields, vol. 64, no. 3, pp. 351-360. https://doi.org/10.1140/epjc/s10052-009-1149-1

APA

JADE Collaboration, Bowdery, C., Foster, F., & Hughes, G. (2009). Determination of the strong coupling αS from hadronic event shapes with O(\ensuremathαS3) and resummed QCD predictions using JADE data. European Physical Journal C: Particles and Fields, 64(3), 351-360. https://doi.org/10.1140/epjc/s10052-009-1149-1

Vancouver

JADE Collaboration, Bowdery C, Foster F, Hughes G. Determination of the strong coupling αS from hadronic event shapes with O(\ensuremathαS3) and resummed QCD predictions using JADE data. European Physical Journal C: Particles and Fields. 2009 Dec;64(3):351-360. doi: 10.1140/epjc/s10052-009-1149-1

Author

JADE Collaboration ; Bowdery, Christopher ; Foster, Frank et al. / Determination of the strong coupling αS from hadronic event shapes with O(\ensuremathαS3) and resummed QCD predictions using JADE data. In: European Physical Journal C: Particles and Fields. 2009 ; Vol. 64, No. 3. pp. 351-360.

Bibtex

@article{d799c57fd00f4f33984b98d4bed0fea6,
title = "Determination of the strong coupling αS from hadronic event shapes with O(\ensuremathαS3) and resummed QCD predictions using JADE data",
abstract = "Event Shape Data from e+e− annihilation into hadrons collected by the JADE experiment at centre-of-mass energies between 14 GeV and 44 GeV are used to determine the strong coupling αS. QCD predictions complete to next-to-next-to-leading order (NNLO), alternatively combined with resummed next-to-leading-log-approximation (NNLO + NLLA) calculations, are used. The combined value from six different event shape observables at the six JADE centre-of-mass energies using the NNLO calculations is \ensuremath\ensuremathαS(\ensuremathm\ensuremathZ0)=0.1210±0.0007\ensuremath(stat.)±0.0021\ensuremath(exp.)±0.0044\ensuremath(had.)±0.0036\ensuremath(theo.) and with the NNLO + NLLA calculations the combined value is \ensuremath\ensuremathαS(\ensuremathm\ensuremathZ0)=0.1172±0.0006\ensuremath(stat.)±0.0020\ensuremath(exp.)±0.0035\ensuremath(had.)±0.0030\ensuremath(theo.). The stability of the NNLO and NNLO + NLLA results with respect to missing higher order contributions, studied by variations of the renormalisation scale, is improved compared to previous results obtained with NLO + NLLA or with NLO predictions only. The observed energy dependence of αS agrees with the QCD prediction of asymptotic freedom and excludes absence of running with 99% confidence level.",
author = "{JADE Collaboration} and Christopher Bowdery and Alexander Finch and Frank Foster and Gareth Hughes",
year = "2009",
month = dec,
doi = "10.1140/epjc/s10052-009-1149-1",
language = "English",
volume = "64",
pages = "351--360",
journal = "European Physical Journal C: Particles and Fields",
issn = "1434-6044",
publisher = "SPRINGER",
number = "3",

}

RIS

TY - JOUR

T1 - Determination of the strong coupling αS from hadronic event shapes with O(\ensuremathαS3) and resummed QCD predictions using JADE data

AU - JADE Collaboration

AU - Bowdery, Christopher

AU - Finch, Alexander

AU - Foster, Frank

AU - Hughes, Gareth

PY - 2009/12

Y1 - 2009/12

N2 - Event Shape Data from e+e− annihilation into hadrons collected by the JADE experiment at centre-of-mass energies between 14 GeV and 44 GeV are used to determine the strong coupling αS. QCD predictions complete to next-to-next-to-leading order (NNLO), alternatively combined with resummed next-to-leading-log-approximation (NNLO + NLLA) calculations, are used. The combined value from six different event shape observables at the six JADE centre-of-mass energies using the NNLO calculations is \ensuremath\ensuremathαS(\ensuremathm\ensuremathZ0)=0.1210±0.0007\ensuremath(stat.)±0.0021\ensuremath(exp.)±0.0044\ensuremath(had.)±0.0036\ensuremath(theo.) and with the NNLO + NLLA calculations the combined value is \ensuremath\ensuremathαS(\ensuremathm\ensuremathZ0)=0.1172±0.0006\ensuremath(stat.)±0.0020\ensuremath(exp.)±0.0035\ensuremath(had.)±0.0030\ensuremath(theo.). The stability of the NNLO and NNLO + NLLA results with respect to missing higher order contributions, studied by variations of the renormalisation scale, is improved compared to previous results obtained with NLO + NLLA or with NLO predictions only. The observed energy dependence of αS agrees with the QCD prediction of asymptotic freedom and excludes absence of running with 99% confidence level.

AB - Event Shape Data from e+e− annihilation into hadrons collected by the JADE experiment at centre-of-mass energies between 14 GeV and 44 GeV are used to determine the strong coupling αS. QCD predictions complete to next-to-next-to-leading order (NNLO), alternatively combined with resummed next-to-leading-log-approximation (NNLO + NLLA) calculations, are used. The combined value from six different event shape observables at the six JADE centre-of-mass energies using the NNLO calculations is \ensuremath\ensuremathαS(\ensuremathm\ensuremathZ0)=0.1210±0.0007\ensuremath(stat.)±0.0021\ensuremath(exp.)±0.0044\ensuremath(had.)±0.0036\ensuremath(theo.) and with the NNLO + NLLA calculations the combined value is \ensuremath\ensuremathαS(\ensuremathm\ensuremathZ0)=0.1172±0.0006\ensuremath(stat.)±0.0020\ensuremath(exp.)±0.0035\ensuremath(had.)±0.0030\ensuremath(theo.). The stability of the NNLO and NNLO + NLLA results with respect to missing higher order contributions, studied by variations of the renormalisation scale, is improved compared to previous results obtained with NLO + NLLA or with NLO predictions only. The observed energy dependence of αS agrees with the QCD prediction of asymptotic freedom and excludes absence of running with 99% confidence level.

U2 - 10.1140/epjc/s10052-009-1149-1

DO - 10.1140/epjc/s10052-009-1149-1

M3 - Journal article

VL - 64

SP - 351

EP - 360

JO - European Physical Journal C: Particles and Fields

JF - European Physical Journal C: Particles and Fields

SN - 1434-6044

IS - 3

ER -