1,024 research outputs found
A covariant constituent-quark formalism for mesons
Using the framework of the Covariant Spectator Theory (CST) [1] we are
developing a covariant model formulated in Minkowski space to study mesonic
structure and spectra. Treating mesons as effective states, we
focused in [2] on the nonrelativistic bound-state problem in momentum space
with a linear confining potential. Although integrable, this kernel has
singularities which are difficult to handle numerically. In [2] we reformulate
it into a form in which all singularities are explicitely removed. The
resulting equations are then easier to solve and yield accurate and stable
solutions. In the present work, the same method is applied to the relativistic
case, improving upon the results of the one-channel spectator equation (1CSE)
given in [3].Comment: 6 pages, 5 figures, Presented at EEF70, Workshop on Unquenched Hadron
Spectroscopy: Non-Perturbative Models and Methods of QCD vs. Experimen
Mesofauna do solo em floresta secundária e em cultivos do cupuaçuzeiro e do guaranazeiro no municÃpio de Belém-Pará.
bitstream/item/59302/1/CPATU-ComTec77.pd
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Analgesic interpatient variability of remifentanil assessed through pupillary dilation reflex
info:eu-repo/semantics/publishedVersio
Macrofauna do solo em capoeiras natural e enriquecidas com leguminosas arbóreas.
bitstream/item/31698/1/ComTec62.pd
Distribuição vertical e abundância da mesofauna do solo em capoeiras.
bitstream/item/31665/1/ComTec63.pd
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Pupillary pain index correlates with postoperative pain scores in neurosurgical patients
info:eu-repo/semantics/publishedVersio
Desempenho da mesofauna do solo sob vegetação secundária enriquecida com leguminosas arbóreas de rápido crescimento.
bitstream/item/48900/1/Boletim-PD-03-AMAZ-ORIENTAL.pd
Individualized anesthesia: independent predictive factors for the propofol induction target
info:eu-repo/semantics/publishedVersio
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