Can partons describe the CDF jet data?

Details Can partons describe the CDF jet data? Can partons describe the CDF jet data?

1996-03-18

arxiv.org/abs/hep-ph/9603327v1

Phys.Lett.B381:353-358,1996

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, LATEX, 4 figures available as .uu file

Scientific paper

10.1016/0370-2693(96)00546-1

The recent CDF single jet inclusive measurements at Fermilab are incorporated in a global next-to-leading order parton analysis of the available deep inelastic and related data. We find that it is impossible to achieve a simultaneous QCD description of both the CDF jet distribution for transverse energies $E_T > 200$~GeV and the deep inelastic structure function data for $x > 0.3$. However, the CDF data for $E_T < 200$~GeV and the deep inelastic data are adequately described provided that the QCD coupling $\alpha_S(M_Z^2)$ is increased from its preferred deep inelastic value to $\alpha_S (M_Z^2) \simeq 0.116 - 0.120$.

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