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14 papers · 1 filter
Exact spinor-scalar bound states in a QFT with scalar interactions
Volodymyr Shpytko, Jurij Darewych
We study two-particle systems in a model quantum field theory, in which scalar particles and spinor particles interact via a mediating scalar field. The Lagrangian of the model is…
Estimating the p-variation index of a sample function: An application to financial data set
R. Norvaisa, D. M. Salopek
This paper modifies a box-counting method of estimating a fractal dimension of a graph, and applies it to estimate the roughness of a sample function of a stochastic process such a…
A Variational Fock-Space Treatment of Quarkonium
L. Di Leo, J. W. Darewych
The variational method and the Hamiltonian formalism of QCD are used to derive relativistic, momentum space integral equations for a quark-antiquark system with an arbitrary number…
Unquenched Charmonium with NRQCD - Lattice 2000
Chris Stewart, Roman Koniuk
We present results from a series of NRQCD simulations of the charmonium system, both in the quenched approximation and with n_f = 2 dynamical quarks. The spectra show evidence for…
A search for resonance decays to antineutrino-jet in e^+p scattering at HERA
ZEUS Collaboration, J. Breitweg
A study of the antineutrino-jet mass spectrum in e^+p -> antineutrino+X events at center-of-mass energy 300 GeV has been performed with the ZEUS detector at HERA using an integrate…
q-Analogs of symmetric function operators
Mike Zabrocki
For any homomorphism V on the space of symmetric functions, we introduce an operation which creates a q-analog of V. By giving several examples we demonstrate that this quantizatio…