Pentaquarks with anticharm or beauty revisited

6533b82cfe1ef96bd12901b3

RESEARCH PRODUCT

Pentaquarks with anticharm or beauty revisited

Jean-marc Richard A. Valcarce Javier Vijande

subject

Quark Nuclear and High Energy Physics Particle physics FOS: Physical sciences dissociation 01 natural sciences Dissociation (chemistry)High Energy Physics - Phenomenology (hep-ph)0103 physical sciences Bound state Interacción entre cromoeléctico 22 Física 010306 general physics constituent pentaquark Physics 010308 nuclear & particles physics chromoelectric stability mathematical methods: variational Efectos cromomagnéticos lcsh:QC1-999 Pentaquark anti-charm Configuraciones pentaquark Q High Energy Physics - Phenomenology chromomagnetic [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph]lcsh:Physics

description

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.

year	journal	country	edition	language
2019-03-01

10.1016/j.physletb.2019.01.031 https://hal.archives-ouvertes.fr/hal-01999828

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