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9 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,…
An EFT for the weak interaction
A. Parreno, C. Bennhold, B. R. Holstein
The nonleptonic weak interaction, responsible for the dominant, nonmesonic decay of all but the lightest hypernuclei, is studied in the framework of an effective fiel…
K+N scattering data and exotic Z+ resonances
R. A. Arndt, I. I. Strakovsky, R. L. Workman
Given the growing evidence for an exotic S = +1 resonance, seen in kaon, photon and neutrino induced reactions, we reexamine the existing K+p and K+d database in order to understan…
Dispersion Relation Constrained Partial Wave Analysis of piN Elastic and piN\to\etaN Scattering Data: The Baryon Spectrum
R. A. Arndt, W. J. Briscoe, I. I. Strakovsky +2
We present results from a comprehensive partial-wave analysis of pi+-p elastic scattering and charge-exchange data, covering the region from threshold to 2.1 GeV in the lab pion ki…
K+ nucleon scattering and exotic S=+1 Baryons
R. A. Arndt, I. I. Strakovsky, R. L. Workman
The K+ nucleon elastic scattering process has been reexamined in light of recent measurements which have found a narrow exotic S=+1 resonance in their KN invariant mass distributio…
weak interaction in effective field theory
Assumpta Parreno, Cornelius Bennhold, Barry R. Holstein
The nonleptonic weak interaction, responsible for the dominant nonmesonic decay of all but the lightest hypernuclei, is studied in the framework of an effective field…