Hadron Multiplicities in the Presence of Light Gluinos

Details Hadron Multiplicities in the Presence of Light Gluinos Hadron Multiplicities in the Presence of Light Gluinos

1993-10-04

arxiv.org/abs/hep-ph/9310219v1

Z.Phys. C61 (1994) 607-612

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, LMU-09/93

Scientific paper

10.1007/BF01552628

We consider the effect of a massless gluino on the evolution of a parton shower. The hadron multiplicity distribution is predicted to evolve as a function of the collider energy in the same way as in the absence of gluinos, except for a slower running of $\alpha_s$. A comparison of the predicted average hadron multiplicity with experimental data is presented as a fit constraining the values of the strong coupling constant at the $Z^0$ peak $\alpha_s(m_Z)$ and the scale of the onset of hadronization $m_0$. It appears that \lgl s are unlikely to be detected this way with less than 500 GeV of \cm\ energy.

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