Magnetic moments of antidecuplet pentaquarks

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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 L p =0 + or a L p =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 μ N for J p =1/2 - , 1/2 + and 3/2 + , respectively, which is compared with the results obtained in other approaches. © 2004 Elsevier B.V. All rights reserved.

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Bijker, R., Giannini, M. M., & Santopinto, E. (2004). Magnetic moments of antidecuplet pentaquarks. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 595(1–4), 260–268. https://doi.org/10.1016/j.physletb.2004.05.062

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