Publications (55)
QCD Sum Rule Calculation of Twist-4 Corrections to Bjorken and Ellis-Jaffe Sum Rules
E. Stein, P. Gornicki, L. Mankiewicz +1
We calculate the twist-4 corrections to the integral of in the framework of QCD sum rules using an interpolating nucleon field which contains explicitly a gluonic degr…
Perturbative Part of the Non-Singlet Structure Function F_2 in the Large-N_F Limit
L. Mankiewicz, M. Maul, E. Stein
We have calculated Wilson coefficients and anomalous dimensions for the non-singlet part of the structure function F_2 in the large-N_F limit. Our result agrees with exa…
On the analytical approximation to the GLAP evolution at small x and moderate Q^2
L. Mankiewicz, A. Saalfeld, T. Weigl
Comparing the numerically evaluated solution to the leading order GLAP equations with its analytical small-x approximation we have found that in the domain covered by a large fract…
Monte Carlo Simulations for RHIC Spin Physics
S. Guellenstern, P. Gornicki, L. Mankiewicz +1
Direct photon production in longitudinally polarised proton-proton collisions offers the most direct and unproblematic possibility to determine the polarised gluon distribution of…
Small behaviour of the chirally-odd parton distribution
R. Kirschner, L. Mankiewicz, A. Schäfer +1
The small behaviour of the structure function is studied within the leading logarithmic approximation of perturbative QCD. There are two contributions relevant at…
Nuclear Shadowing and the Optics of Hadronic Fluctuations
G. Piller, M. Vänttinen, L. Mankiewicz +1
A coordinate space description of shadowing in deep-inelastic lepton-nucleus scattering is presented. The picture in the laboratory frame is that of quark-gluon fluctuations of the…