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13 papers · 2 filters
Dynamical Generation of Hyperon Resonances
A. Ramos, E. Oset, C. Bennhold +2
In this talk we report on how, using a chiral unitary approach for the meson--baryon interactions, two octets of baryon states and a singlet are generated dynamically,…
On relativistic approaches to the pion self-energy in nuclear matter
L. B. Leinson, A. Perez
We argue that, in contrast to the non-relativistic approach, a relativistic evaluation of the nucleon--hole and delta-isobar--nucleon hole contributions to the pion self-energy inc…
Is the Theta+ a K pi N bound state?
Felipe J. Llanes-Estrada, E. Oset, V. Mateu
Following a recent suggestion that the could be a bound state we perform an investigation under the light of the meson meson and meson baryon dynamics provided by the…
A microscopic NN to NN*(1440) potential
B. Julia-Diaz, A. Valcarce, P. Gonzalez +1
By means of a NN to NN*(1440) transition potential derived in a parameter-free way from a quark-model based NN potential, we determine simultaneously the and $σNN^*(1…
Mass dependence of inclusive nuclear photoproduction
D. Cabrera, L. Roca, E. Oset +2
Based on a prior determination of the selfenergy in a nuclear medium we perform a theoretical study of inclusive photoproduction in nuclei, looking at the dependence of…
Role of in-medium hadrons in photon-nucleus reactions : shadowing and dilepton spectrum
Jan-e Alam, Sanjay K. Ghosh, Pradip Roy +1
We study the effect of in-medium hadronic properties in photon nucleus interactions in the context of shadowing as well as the dilepton spectrum for incident photon energies in the…