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14 papers · 2 filters
Nonequilibrium evolution of Phi**4 theory in 1+1 dimensions in the 2PPI formalism
Jurgen Baacke, Andreas Heinen
We consider the out-of-equilibrium evolution of a classical condensate field and its quantum fluctuations for a Phi**4 model in 1+1 dimensions with a symmetric and a double well po…
Helicity-dependent Twist-two and Twist-three Generalized Parton Distributions in Light-front QCD
A. Mukherjee, M. Vanderhaeghen
We investigate the helicity dependent twist-two and twist-three generalized parton distributions in light-front Hamiltonian QCD for a massive dressed quark target. Working in the k…
Does CPT violation affect the B_d meson life times and decay asymmetries?
Amitava Datta, E. A. Paschos, L. P. Singh
We study indirect CPT violating effects in B_d meson decays and mixing, taking into account the recent constraints on the CPT violating parameters from the Belle collaboration. The…
The O(N) linear sigma model at finite temperature beyond the Hartree approximation
J. Baacke, S. Michalski
We study the O(N) linear sigma model with spontaneous symmetry breaking, using a Hartree-like ansatz with a classical field and variational masses. We go beyond the Hartree approxi…
On the CP Violation Associated with Majorana Neutrinos and Neutrinoless Double-Beta Decay
S. Pascoli, S. T. Petcov, W. Rodejohann
Assuming 3-neutrino mixing and massive Majorana neutrinos, we analyze the possibility of establishing the existence of CP-violation associated with Majorana neutrinos in the lepton…
Delineating the polarized and unpolarized photon distributions of the nucleon in eN collisions
M. Gl{\"}uck, C. Pisano, E. Reya +1
The production rates of lepton-photon and dimuon pairs at the HERA collider and the HERMES experiment are evaluated in the leading order equivalent photon approximation. It is show…