Light Gluino Contribution in Hadronic Decays of Z boson and tau lepton to O(alpha_s^3)

Details Light Gluino Contribution in Hadronic Decays of Z boson and tau lepton to O(alpha_s^3) Light Gluino Contribution in Hadronic Decays of Z boson and tau lepton to O(alpha_s^3)

1996-10-25

arxiv.org/abs/hep-ph/9610493v1

Phys.Rev.Lett. 78 (1997) 1632-1635

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, RevTex, 1 Postscript figure

Scientific paper

10.1103/PhysRevLett.78.1632

The results of calculation of light gluino contributions to
Gamma(Z--->hadrons) and Gamma(tau--->hadrons) to O(alpha_s^3) are presented.
The net effect in the case of Z decay is noticeable. For the tau width the
effect is very large and, if a light gluino exists, suggests that alpha_s
increases by more than 15% relative to the Standard Model analysis.

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