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Test of the flavour independence of αs using next-to-leading order calculations for heavy quarks

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Test of the flavour independence of αs using next-to-leading order calculations for heavy quarks. / OPAL Collaboration.
In: European Physical Journal C: Particles and Fields, Vol. 11, No. 4, 12.1999, p. 643-659.

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

Harvard

OPAL Collaboration 1999, 'Test of the flavour independence of αs using next-to-leading order calculations for heavy quarks', European Physical Journal C: Particles and Fields, vol. 11, no. 4, pp. 643-659. https://doi.org/10.1007/s100529900225

APA

OPAL Collaboration (1999). Test of the flavour independence of αs using next-to-leading order calculations for heavy quarks. European Physical Journal C: Particles and Fields, 11(4), 643-659. https://doi.org/10.1007/s100529900225

Vancouver

OPAL Collaboration. Test of the flavour independence of αs using next-to-leading order calculations for heavy quarks. European Physical Journal C: Particles and Fields. 1999 Dec;11(4):643-659. doi: 10.1007/s100529900225

Author

OPAL Collaboration. / Test of the flavour independence of αs using next-to-leading order calculations for heavy quarks. In: European Physical Journal C: Particles and Fields. 1999 ; Vol. 11, No. 4. pp. 643-659.

Bibtex

@article{cbbd1dd39adc4de1a04ea834ff218978,
title = "Test of the flavour independence of αs using next-to-leading order calculations for heavy quarks",
abstract = "We present a test of the flavour independence of the strong coupling constant for charm and bottom quarks with respect to light (uds) quarks, based on a hadronic event sample obtained with the OPAL detector at LEP. Five observables related to global event shapes were used to measure αs in three flavour tagged samples (uds, c and b). The event shape distributions were fitted by O(α2s) calculations of jet production taking into account mass effects for the c and b quarks. We find: αcs/αuds = 0.997 ± 0.038 (stat.) ± 0.030 (syst.) ± 0.012 (theory) andαbs/αuds = 0.993 ± 0.008 (stat.) ± 0.006 (syst.) ± 0.011 (theory).",
author = "Vakhtang Kartvelishvili and {OPAL Collaboration}",
year = "1999",
month = dec,
doi = "10.1007/s100529900225",
language = "English",
volume = "11",
pages = "643--659",
journal = "European Physical Journal C: Particles and Fields",
issn = "1434-6044",
publisher = "SPRINGER",
number = "4",

}

RIS

TY - JOUR

T1 - Test of the flavour independence of αs using next-to-leading order calculations for heavy quarks

AU - Kartvelishvili, Vakhtang

AU - OPAL Collaboration

PY - 1999/12

Y1 - 1999/12

N2 - We present a test of the flavour independence of the strong coupling constant for charm and bottom quarks with respect to light (uds) quarks, based on a hadronic event sample obtained with the OPAL detector at LEP. Five observables related to global event shapes were used to measure αs in three flavour tagged samples (uds, c and b). The event shape distributions were fitted by O(α2s) calculations of jet production taking into account mass effects for the c and b quarks. We find: αcs/αuds = 0.997 ± 0.038 (stat.) ± 0.030 (syst.) ± 0.012 (theory) andαbs/αuds = 0.993 ± 0.008 (stat.) ± 0.006 (syst.) ± 0.011 (theory).

AB - We present a test of the flavour independence of the strong coupling constant for charm and bottom quarks with respect to light (uds) quarks, based on a hadronic event sample obtained with the OPAL detector at LEP. Five observables related to global event shapes were used to measure αs in three flavour tagged samples (uds, c and b). The event shape distributions were fitted by O(α2s) calculations of jet production taking into account mass effects for the c and b quarks. We find: αcs/αuds = 0.997 ± 0.038 (stat.) ± 0.030 (syst.) ± 0.012 (theory) andαbs/αuds = 0.993 ± 0.008 (stat.) ± 0.006 (syst.) ± 0.011 (theory).

U2 - 10.1007/s100529900225

DO - 10.1007/s100529900225

M3 - Journal article

VL - 11

SP - 643

EP - 659

JO - European Physical Journal C: Particles and Fields

JF - European Physical Journal C: Particles and Fields

SN - 1434-6044

IS - 4

ER -