Orateur
Dr
Peter Svoisky
(University of Oklahoma)
Description
We present the first measurement of the inclusive three-jet differential
cross section as a function of the invariant mass of the three jets
with the largest transverse momenta in an event in
$p\bar{p}$ collisions at $\sqrt{s}=1.96\, \mathrm{TeV}$.
The measurement is made in different rapidity regions
and for different jet transverse momentum requirements
and is based on a data set corresponding to an integrated luminosity
of $0.7\, \mathrm{fb}^{-1}$
collected with the D0 detector at the Fermilab Tevatron Collider.
The results are used to test the three-jet matrix elements
in perturbative QCD calculations at next-to-leading order
in the strong coupling constant.
The data allow discrimination between parametrizations of
the parton distribution functions of the proton.
Auteur principal
Dr
Marco Verzocchi
(Fermilab - PPD Division)
