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14 papers · 2 filters
Extraction and Interpretation of gamma N --> Delta Form Factors within a Dynamical Model
B. Julia-Diaz, T. -S. H. Lee, T. Sato +1
Within the dynamical model of Refs. [Phys. Rev. C54, 2660 (1996); C63, 055201 (2001)], we perform an analysis of recent data of pion electroproduction reactions at energies near th…
The nucleon-nucleon potential beyond the static approximation
Jorge Mondejar, Joan Soto
We point out that, due to the use of static nucleon propagators in Heavy Baryon Chiral Perturbation Theory, the current calculations of the nucleon-nucleon potential miss certain c…
Overview of Non-Relativistic QCD
Joan Soto
An overview of recent theoretical progress on Non-Relativistic QCD and related effective theories is provided.
Search for missing baryon resonances via associated strangeness photoproduction
B. Saghai, J. -C. David, B. Julia-Diaz +1
Differential cross-section and single polarization observables in the process gamma p --> K^+ Lambda are investigated within a constituent quark model and a dynamical coupled-chann…
The role of components in the nucleon and the N(1440) resonance
B. Julia-Diaz, D. O. Riska
The role of components in the nucleon and the N(1440) resonance is studied by explicit coupling of the lowest positive parity state to the components i…
Chiral approach to antikaons in dense matter
Laura Tolos, Angels Ramos, Eulogio Oset
Antikaons in dense nuclear matter are studied using a chiral unitary approach which incorporates the - and p-waves of the interaction. We include, in a self-consisten…