Diquarks, Pentaquarks and Dibaryons
classification
✦ hep-ph
nucl-th
keywords
massdibaryondibaryonsdiquarksestimatepentaquarkpentaquarksannihilation
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We explore the connection between pentaquarks and dibaryons composed of three diquarks in the framework of the diquark model. With the available experimental data on H dibaryon, we estimate the Pauli blocking and annihilation effects and constrain the $P=-$ pentaquark $SU(3)_F$ singlet mass. Using the $\Theta^+$ pentaquark mass, we estimate $P=-$ dibaryon mass.
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