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43 papers · 1 filter
A Search for Anomalous Heavy-Flavor Quark Production in Association with W Bosons
D0 Collaboration, V. M. Abazov
We present a search for anomalous production of heavy-flavor quark jets in association with a W boson at the Fermilab Tevatron ppbar Collider. This search is conducted through an e…
Roughness correction to the Casimir force : Beyond the Proximity Force Approximation
Paulo A. Maia Neto, Astrid Lambrecht, Serge Reynaud
We calculate the roughness correction to the Casimir effect in the parallel plates geometry for metallic plates described by the plasma model. The calculation is perturbative in th…
QCD sum rule approach for the light scalar mesons as four-quark states
Thiago V. Brito, Fernando S. Navarra, Marina Nielsen +1
We study the two point-function for the scalar mesons and as diquak-antidiquark states. We also study the decays of these mesons into , and $K\…
J/psi D*D* vertex from QCD sum rules
M. E. Bracco, M. Chiapparini, M. Nielsen +1
We calculated the strong form factor and coupling constant for the vertex in a QCD sum rule calculation. We performed a double Borel sum rule for the three point corre…
On the Lorentz symmetry of the noncommutative chiral bosons
E. M. C. Abreu, R. Menezes, C. Wotzasek
We study issues of Lorentz violation symmetry in the context of the recently proposed theory of noncommutative fields \cite{CCGM}, using the soldering formalism. To this end a nonc…
Measurement of the Top Quark Mass In All-Jet Events
D0 Collaboration, V. M. Abazov
We describe a measurement of the mass of the top quark from the purely hadronic decay modes of t-tbar pairs using all-jet data produced in p-pbar collisions at sqrt{s} = 1.8 TeV at…