Search for doubly-heavy dibaryons in a quark model

Abstract : We study the stability of hexaquark systems containing two heavy quarks and four light quarks within a simple quark model. No bound or metastable state is found. The reason stems on a delicate interplay between chromoelectric and chromomagnetic effects. Our calculation provides also information about anticharmed pentaquarks that are seemingly unbound in simple quark models.
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Contributor : Sylvie Flores <>
Submitted on : Wednesday, August 31, 2016 - 11:26:23 AM
Last modification on : Thursday, March 15, 2018 - 11:40:10 AM

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J. Vijande, A. Valcarce, J. -M. Richard, P. Sorba. Search for doubly-heavy dibaryons in a quark model. Physical Review D, American Physical Society, 2016, 94, pp.034038. ⟨10.1103/PhysRevD.94.034038⟩. ⟨in2p3-01358179⟩

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