Hadronic Contributions to O ($\alpha^2$) Radiative Corrections in $e^+ e^-$ Annihilation - INSPIRE

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Hadronic Contributions to O ( $\alpha^2$ ) Radiative Corrections in $e^+ e^-$ Annihilation

Jan, 1988

6 pages

Published in:

Phys.Lett.B 209 (1988) 337-342

Published: 1988

DOI:

10.1016/0370-2693(88)90958-6

Report number:

MPI-PAE/PTh-93/87

View in:

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Abstract: (Elsevier)

The complete hadronic contribution to O( α 2 ) real and virtual corrections from initial state radiation in e + e − annihilation is calculated using experimental information on the imaginary part of the hadronic vacuum polarization Im Π ( q 2 ). For high energies both real and virtual corrections are expressed by four moments of Im Π ( q 2 ) which characterize its behavior in the low- and high- q 2 region. The formalism is applied to study the influence of hadronic radiation on the Z line shape and on the cross section in the continuum.

ELECTRON POSITRON: ANNIHILATION
ANNIHILATION: ELECTRON POSITRON
HADRON: ELECTROPRODUCTION
ELECTROPRODUCTION: HADRON
MUON: PAIR PRODUCTION
PAIR PRODUCTION: MUON
ELECTRON: PAIR PRODUCTION
PAIR PRODUCTION: ELECTRON
CHANNEL CROSS SECTION
RADIATIVE CORRECTION

References(9)

Figures(0)

Determination of alpha-s and sin**2theta(w) from Measurements of the Total Hadronic Cross-Section in e+ e- Annihilation

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