Oscillations of factorial cumulants to factorial moments ratio from an eikonal approach

We study the factorial moments (image), the factorial cumulants (image) and the ratio of image to image (image) in image collisions using an updated approach, in which the multiplicity distribution is related to the eikonal function. The QCD inspired eikonal model adopted contains contributions of quark–quark, quark–gluon and gluon–gluon interactions. Our work shows that the approach can reproduce the collision energy dependence of the image moments, correctly predicts that the first minimum of the image lies around image and qualitatively reproduces the oscillations of the image moments, as shown in the experimental data and predicted by QCD at preasymptotic energy. The result of this study seems to indicate that the image oscillations are manifestations of semihard component in the multiparticle production process. Predictions for multiplicity distribution and image moments at the LHC energy of image are presented.