Thresholds in $α_s$ evolution and the $p_T$ dependence of jets

Details Thresholds in $α_s$ evolution and the $p_T$ dependence of jets Thresholds in $α_s$ evolution and the $p_T$ dependence of jets

1995-12-15

arxiv.org/abs/hep-ph/9512325v1

Phys.Lett.B382:178-180,1996

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, plain Latex, one postscript figure (included). Compressed postscript file of paper with figure can also be obtained f

Scientific paper

10.1016/0370-2693(96)00606-5

We point out that high-mass thresholds in the evolution of the strong-interaction coupling parameter $\alpha_s$, due to gluinos, squarks and possible new heavy quarks, could introduce appreciable corrections to the transverse momentum dependence of jet production at the Tevatron. If the new thresholds were near scale $\mu = 200$~GeV, then within the limits of asymptotic freedom they could introduce up to $11\%$ increase in $\alpha_s(\mu)$ (and hence $23\%$ increase in jet production) at scale $\mu=500$ GeV, compared to Standard Model extrapolations.

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