Measurements of the $e^+e^-$ total hadronic cross-section and a determination of $m_Z$ and $\Lambda_{MS}$ - INSPIRE

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Measurements of the $e^+e^-$ total hadronic cross-section and a determination of $m_Z$ and $\Lambda_{MS}$

AMY

Collaboration

•

T. Mori
(
- Rochester U.
)

Jan, 1989

9 pages

Published in:

Phys.Lett.B 218 (1989) 499-507

Published: 1989

DOI:

10.1016/0370-2693(89)91455-X

Report number:

KEK-Preprint-88-109,
AMY-88-16

Experiments:

KEK-TE-003

View in:

ADS Abstract Service

reference search59 citations

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Abstract: (Elsevier)

The total cross section for e + e − annihilation into hadrons has been measured for CM energies ranging from 50 to 57 GeV. We fit the predictions of the standard model to these measurements and those at lower energies. The mass of the Z 0 boson, M Z , and the QCD scale parameter, Λ MS , are derived from the fit. The results are M Z =88.6 −1.8 +2.0 GeV/ c 2 , and Λ MS =0.15 −0.11 +0.16 GeV .

ELECTRON POSITRON: COLLIDING BEAMS
COLLIDING BEAMS: ELECTRON POSITRON
ELECTRON POSITRON: ANNIHILATION
ANNIHILATION: ELECTRON POSITRON
HADRON: MULTIPLE PRODUCTION
MULTIPLE PRODUCTION: HADRON
CROSS SECTION: HADRONIC
Z0: MASS
MASS: Z0
QUANTUM CHROMODYNAMICS: LAMBDA PARAMETER

References(48)

Figures(0)

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