We analyze the magnetic moments of the exotic pentaquarks of the flavor antidecuplet in the constituent quark model for the cases in which the ground state is in an orbital Lp = 0+ or a Lp = 1− state. We derive a set of sum rules for the magnetic moments of antidecuplet baryons and their relation with the magnetic moments of decuplet and octet baryons. The magnetic moment of the Θ + (1540) is found to be 0.38, 0.09 and 1.05 μN for J p = 1/2−, 1/2+ and 3/2+, respectively, which is compared with the results obtained in other approaches.
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Titolo: | Magnetic moments of antidecuplet pentaquarks | |
Autori: | ||
Data di pubblicazione: | 2004 | |
Rivista: | ||
Abstract: | We analyze the magnetic moments of the exotic pentaquarks of the flavor antidecuplet in the constituent quark model for the cases in which the ground state is in an orbital Lp = 0+ or a Lp = 1− state. We derive a set of sum rules for the magnetic moments of antidecuplet baryons and their relation with the magnetic moments of decuplet and octet baryons. The magnetic moment of the Θ + (1540) is found to be 0.38, 0.09 and 1.05 μN for J p = 1/2−, 1/2+ and 3/2+, respectively, which is compared with the results obtained in other approaches. | |
Handle: | http://hdl.handle.net/11567/207512 | |
Appare nelle tipologie: | 01.01 - Articolo su rivista |