6533b7d1fe1ef96bd125c2b8
RESEARCH PRODUCT
Dynamically generated resonances from the vector octet-baryon octet interaction
Eulogio OsetAngels Ramossubject
Nuclear and High Energy PhysicsParticle physicsOctetMesonNuclear TheoryNuclear TheoryFOS: Physical sciences01 natural sciencesUnitary stateNuclear Theory (nucl-th)High Energy Physics - Phenomenology (hep-ph)0103 physical sciencesBaryonsMesons (Nuclear physics)Mesons (Física nuclear)010306 general physicsBarionsPhysicsWeak interactions (Nuclear physics)010308 nuclear & particles physicsDegenerate energy levelsHigh Energy Physics::PhenomenologyInteraccions febles (Física nuclear)FísicaScattering amplitudeBaryonFormalism (philosophy of mathematics)High Energy Physics - PhenomenologyProjecte 227431description
We study the interaction of vector mesons with the octet of stable baryons in the framework of the local hidden gauge formalism using a coupled-channels unitary approach. We examine the scattering amplitudes and their poles, which can be associated to known J(P) = 1/2(-), 3/2(-) baryon resonances, in some cases, or give predictions in other ones. The formalism employed produces doublets of degenerate J(P) = 1/2(-), 3/2(-) states, a pattern which is observed experimentally in several cases. The findings of this work should also be useful to guide present experimental programs searching for new resonances, in particular in the strange sector where the current information is very poor.
year | journal | country | edition | language |
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2010-04-25 |