Search results for "anti-charm"

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Pentaquarks with anticharm or beauty revisited

2019

We use a constituent model to analyze the stability of pentaquark $\bar Q qqqq$ configurations with a heavy antiquark $\bar c$ or $\bar b$, and four light quarks $uuds$, $ddsu$ or $ssud$. The interplay between chromoelectric and chromomagnetic effects is not favorable, and, as a consequence, no bound state is found below the lowest dissociation threshold.

QuarkNuclear and High Energy PhysicsParticle physicsFOS: Physical sciencesdissociation01 natural sciencesDissociation (chemistry)High Energy Physics - Phenomenology (hep-ph)0103 physical sciencesBound stateInteracción entre cromoeléctico22 Física010306 general physicsconstituentpentaquarkPhysics010308 nuclear & particles physicschromoelectricstabilitymathematical methods: variationalEfectos cromomagnéticoslcsh:QC1-999Pentaquarkanti-charmConfiguraciones pentaquark QHigh Energy Physics - Phenomenologychromomagnetic[PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph]lcsh:Physics

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