From the 1 of 6.1k papers with an AI index.
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37 papers · 1 filter
Quantum coherence in heavy-flavor production on nuclei
N. N. Nikolaev, G. Piller, B. G. Zakharov
We describe a light-cone wave function formalism for hadroproduction of heavy-flavors via gluon-gluon fusion. The developed approach is well suited to address coherence effects in…
Theta Vacua, Confinement and the Continuum Limit
G. Schierholz
We investigate the dependence of the CP^3 model and of the SU(2) Yang-Mills theory on the vacuum angle theta. The CP^3 model exhibits a first order deconfining phase transition in…
Probing the Continuum Limit in Non-Compact QED: New Results on Large Lattices
M. Goeckeler, R. Horsley, V. Linke +3
We present new Monte Carlo results in non-compact lattice QED with staggered fermions down to m_0 = 0.005. This extends our previous investigations on the nature of the continuum l…
Towards a Lattice Calculation of the Nucleon Structure Functions
M. Goeckeler, R. Horsley, M. Ilgenfritz +4
We have initiated a programme to compute the lower moments of the unpolarised and polarised deep inelastic structure functions of the nucleon in the quenched approximation. We revi…
Proton-proton bremsstrahlung below and above pion-threshold: the influence of the -isobar
F. de Jong, K. Nakayama, T. -S. H. Lee
The proton-proton bremsstrahlung is investigated within a coupled-channel model with the degree of freedom. The model is consistent with the scattering up to 1 GeV and the…
Role of Meson-Meson Correlation Effects in the $\NNb\toρπ$ Annihilation Process
V. Mull, G. Janssen, J. Speth +1
Meson-meson correlation effects are investigated in the $\NNb\toρπ$ annihilation process using a realistic meson-exchange model for the interaction determined previously, toge…