292,234 research outputs found
Single Inclusive Distribution and Two-Particle Correlations Inside One Jet at "Modified Leading Logarithmic Approximation" of Quantum Chromodynamics II : Steepest Descent Evaluation at Small X
The MLLA single inclusive distribution inside one high energy (gluon) jet at
small x is estimated by the steepest descent method. Its analytical expression
is obtained outside the "limiting spectrum". It is then used to evaluate
2-particle correlations at the same level of generality. The dependence of both
observables on the ratio between the infrared cutoff Q\_0 and Lambda\_QCD is
studied. Fong & Webber's results for correlations are recovered at the limits
when this ratio goes to 1 and when one stays close to the peak of the single
inclusive distribution.Comment: LaTeX, 22 pages, 18 .eps figure
The internal structure of jets at colliders: light and heavy quark inclusive hadronic distributions
In this paper, we report our results on charged hadron multiplicities of
heavy quark initiated jets produced in high energy collisions. After
implementing the so-called dead cone effect in QCD evolution equations, we find
that the average multiplicity decreases significantly as compared to the
massless case. Finally, we discuss on the transverse momentum distribution of
light quark initiated jets and emphasize on the comparison between our
predictions and CDF data.Comment: 6 pages, 3 figures-Talk presented by Redamy Perez-Ramos at Jets in
Proton-Proton and Heavy-Ion Collisions, August 12-14, 2010, Prague, Czech
Republi
The Yang-Mills gradient flow and renormalization
In this proceedings contribution we will review the main ideas behind the
many recent works that apply the gradient flow to the determination of the
renormalized coupling and the renormalization of composite operators. We will
pay special attention to the continuum extrapolation of flow quantities.Comment: 17 pages. Proceedings of the 32nd International Symposium on Lattice
Field Theor
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