Home > Research > Publications & Outputs > Production rates of bb¯ quark pairs from gluons...

Research

Associated organisational unit

Links

Text available via DOI:

View graph of relations

Production rates of bb¯ quark pairs from gluons and bb¯bb¯ events in hadronic Z0 decays

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

Published

Standard

Production rates of bb¯ quark pairs from gluons and bb¯bb¯ events in hadronic Z0 decays. / OPAL Collaboration.
In: European Physical Journal C: Particles and Fields, Vol. 18, No. 3, 01.2001, p. 447-460.

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

Harvard

OPAL Collaboration 2001, 'Production rates of bb¯ quark pairs from gluons and bb¯bb¯ events in hadronic Z0 decays', European Physical Journal C: Particles and Fields, vol. 18, no. 3, pp. 447-460. https://doi.org/10.1007/s100520100580

APA

OPAL Collaboration (2001). Production rates of bb¯ quark pairs from gluons and bb¯bb¯ events in hadronic Z0 decays. European Physical Journal C: Particles and Fields, 18(3), 447-460. https://doi.org/10.1007/s100520100580

Vancouver

OPAL Collaboration. Production rates of bb¯ quark pairs from gluons and bb¯bb¯ events in hadronic Z0 decays. European Physical Journal C: Particles and Fields. 2001 Jan;18(3):447-460. doi: 10.1007/s100520100580

Author

OPAL Collaboration. / Production rates of bb¯ quark pairs from gluons and bb¯bb¯ events in hadronic Z0 decays. In: European Physical Journal C: Particles and Fields. 2001 ; Vol. 18, No. 3. pp. 447-460.

Bibtex

@article{77a9d55cbd234b67adb33eef3e9b51a9,
title = "Production rates of bb¯ quark pairs from gluons and bb¯bb¯ events in hadronic Z0 decays",
abstract = "The rates are measured per hadronic Z0 decay for gluon splitting to bb¯ quark pairs, gbb¯, and of events containing two bb¯ quark pairs, g4b, using a sample of four-jet events selected from data collected with the OPAL detector. Events with an enhanced signal of gluon splitting to bb¯ quarks are selected if two of the jets are close in phase-space and contain detached secondary vertices. For the event sample containing two bb¯ quark pairs, three of the four jets are required to have a significantly detached secondary vertex. Information from the event topology is combined in a likelihood fit to extract the values of gbb¯ and g4b, namelygbb = (3.07 ± 0.53(stat) ± 0.97(syst)) × 10−3,g4b = (0.36 ± 0.17(stat) ± 0.27(syst)) × 10−3.",
author = "Vakhtang Kartvelishvili and {OPAL Collaboration}",
year = "2001",
month = jan,
doi = "10.1007/s100520100580",
language = "English",
volume = "18",
pages = "447--460",
journal = "European Physical Journal C: Particles and Fields",
issn = "1434-6044",
publisher = "SPRINGER",
number = "3",

}

RIS

TY - JOUR

T1 - Production rates of bb¯ quark pairs from gluons and bb¯bb¯ events in hadronic Z0 decays

AU - Kartvelishvili, Vakhtang

AU - OPAL Collaboration

PY - 2001/1

Y1 - 2001/1

N2 - The rates are measured per hadronic Z0 decay for gluon splitting to bb¯ quark pairs, gbb¯, and of events containing two bb¯ quark pairs, g4b, using a sample of four-jet events selected from data collected with the OPAL detector. Events with an enhanced signal of gluon splitting to bb¯ quarks are selected if two of the jets are close in phase-space and contain detached secondary vertices. For the event sample containing two bb¯ quark pairs, three of the four jets are required to have a significantly detached secondary vertex. Information from the event topology is combined in a likelihood fit to extract the values of gbb¯ and g4b, namelygbb = (3.07 ± 0.53(stat) ± 0.97(syst)) × 10−3,g4b = (0.36 ± 0.17(stat) ± 0.27(syst)) × 10−3.

AB - The rates are measured per hadronic Z0 decay for gluon splitting to bb¯ quark pairs, gbb¯, and of events containing two bb¯ quark pairs, g4b, using a sample of four-jet events selected from data collected with the OPAL detector. Events with an enhanced signal of gluon splitting to bb¯ quarks are selected if two of the jets are close in phase-space and contain detached secondary vertices. For the event sample containing two bb¯ quark pairs, three of the four jets are required to have a significantly detached secondary vertex. Information from the event topology is combined in a likelihood fit to extract the values of gbb¯ and g4b, namelygbb = (3.07 ± 0.53(stat) ± 0.97(syst)) × 10−3,g4b = (0.36 ± 0.17(stat) ± 0.27(syst)) × 10−3.

U2 - 10.1007/s100520100580

DO - 10.1007/s100520100580

M3 - Journal article

VL - 18

SP - 447

EP - 460

JO - European Physical Journal C: Particles and Fields

JF - European Physical Journal C: Particles and Fields

SN - 1434-6044

IS - 3

ER -