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Transverse Momentum Dependent (TMD) parton distributions obtained from the Parton Branching (PB) method are combined with next-to-leading-order (NLO) calculations of Drell-Yan (DY) production. We apply the MC@NLO method for the hard process calculation and matching with the PB TMDs.
We compute predictions for the transverse momentum of Z bosons and Drell-Yan (DY) production. The theoretical...
We are extending ILM to gluons, heavy quarks, and heavy-light quarks systems.
In ILM $4N_c$ instanton collective coordinates = size $\rho\approx\bar\rho$, color orientation, position.
$\rho\approx 0.3\,{\rm fm}$, inter-instanton distance $ R\approx 1\,{\rm fm}$, packing parameter $\lambda=\rho^4/R^4\approx 0.01.$
ILM vacuum energy density $\approx - 500\,{\rm MeV}/{\rm fm^3}$. ...
The anomalous currents of two-flavor chiral nuclear matter in the presence of chiral imbalance are computed, using recently developed methods exploiting generalized transgression, which facilitates the evaluation of both the equilibrium partition function and the covariant currents. The constitutive relations for both the broken and unbroken phase of the theory are studied and the...
We present the extraction of the temperature by analyzing the charged particle transverse momentum spectra in lead-lead (Pb-Pb) and proton-proton (${\bf pp}$) collisions at LHC energies from the ALICE Collaboration using the Color String Percolation Model (CSPM). From the measured energy density ${\boldsymbol \varepsilon}$ and the temperature T the dimensionless quantity $ {\boldsymbol...
The scaling properties of Yang-Mills fields, and in particular of the QCD, are analyzed from the point of view of fractal systems. We show that fractal structures can be formed in any Yang-Mills field, and that the fractal dimension is related to the fundamental parameters of the field theory.
In addition, the fractal structures leads to power-law distributions that are related to the...
Recently it has been shown that in the large-Nc limit (Nc is the number of colors of quarks) there exist duality correspondences (symmetries) in the phase portrait, which are the symmetries of the thermodynamic potential and the phase structure itself. The first one is a duality between the chiral symmetry breaking and the charged pion condensation phenomena. And there are two other dualities...
COMPASS is a multipurpose high energy physics experiment located at the M2 beamline of the SPS at CERN. In 2016 and 2017 COMPASS collaboration performed measurements of lepton-induced hard exclusive reactions using 160 GeV positively and negatively charged muon beams scattering of a liquid hydrogen target. The Deeply Virtual Compton Scattering (DVCS) and Hard Exclusive Meson Production (HEMP)...
