Probing Quark-Gluon Correlation Functions
نویسندگان
چکیده
We review applicability of QCD factorization theorem to multiple scattering in deeply inelastic lepton-nucleus scattering. We show why A1/3-type nuclear enhancement can be calculated consistently in perturbative QCD. We derive the transverse momentum broadening of the leading pions in deeply inelastic lepton-nucleus collisions. We argue that the measurement of such transverse momentum broadening can provide direct information on the multiple-parton correlation functions inside a nucleus. We also estimate the numerical values of the broadening at different values of xB and Q 2. 11.80.La, 12.38.Bx, 13.85.Ni, 24.80.-x Typeset using REVTEX 1
منابع مشابه
Probing the quark-gluon plasma with a new Fermionic correlator
We present the first measurement of a new correlation function of Fermion bilinears in finite temperature QCD with and without dynamical quarks in a quantum number channel in which nontrivial correlations are known to be present for purely gluonic operators. We find that the Fermion correlator vanishes for T ≥ 3Tc/2, in agreement with the expectation for weakly interacting quarks in a quark-glu...
متن کاملModeling Magnetic Field in Heavy ion Collisions Using Two Different Nuclear Charge Density Distributions
By studying the properties of matter during heavy-ion collisions, a better understanding of the Quark-Gluon plasma is possible. One of the main areas of this study is the calculation of the magnetic field, particularly how the values of conductivity affects this field and how the field strength changes with proper time. In matching the theoretical calculations with results obtained in lab, two diffe...
متن کاملNNLO Time-like Splitting Functions in QCD
We review the status of the calculation of the time-like splitting functions for the evolution of fragmentation functions to the next-to-next-to-leading order in perturbative QCD. By employing relations between space-like and time-like deep-inelastic processes, all quark-quark and the gluon-gluon time-like splitting functions have been obtained to three loops. The corresponding quantities for t...
متن کاملProbing Dense Matter with Strange Hadrons
The signature of quark-gluon plasma is hard to identify, since the final state observed in the laboratory always consists of the same particles, irrespective of the transitional presence of the deconfined state. What changes is the detailed composition of the observed produced particle abundance. We consider here strangeness , and the pattern of strange hadron production at SPS and RHIC which o...
متن کاملComplex Plasmas as a Model for the Quark-Gluon-Plasma Liquid
The quark-gluon plasma, possibly created in ultrarelativistic heavy-ion collisions, is a strongly interacting many-body parton system. By comparison with strongly coupled electromagnetic plasmas (classical and non-relativistic) it is concluded that the quarkgluon plasma could be in the liquid phase. As an example for a strongly coupled plasma, complex plasmas, which show liquid and even solid p...
متن کامل