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1998•Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fieldsOpen access

Decuplet baryon magnetic moments in the chiral quark model

J. O. Linde, Tommy Ohlsson, Håkan Snellman

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Abstract

We present calculations of the decuplet baryon magnetic moments in the chiral quark model. As input we use parameters obtained in qualitatively accurate fits to the octet baryon magnetic moments studied previously. The values found for the magnetic moments of ${\ensuremath{\Delta}}^{++}$ and ${\ensuremath{\Omega}}^{\ensuremath{-}}$ are in good agreement with experiments. We finally calculate the total quark spin polarizations of the decuplet baryons and find that they are considerably smaller than what is expected from the non-relativistic quark model.

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What this paper is about

We present calculations of the decuplet baryon magnetic moments in the chiral quark model. As input we use parameters obtained in qualitatively accurate fits to the octet baryon magnetic moments studied previously. The values found for the magnetic moments of ${\ensuremath{\Delta}}^{++}$ and ${\ensuremath{\Omega}}^{\ensuremath{-}}$ are in good agreement with experiments. We finally calculate the total quark spin polarizations of the decuplet baryons and find that they are considerably smaller than what is expected from the non-relativistic quark model.

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Available abstract

We present calculations of the decuplet baryon magnetic moments in the chiral quark model. As input we use parameters obtained in qualitatively accurate fits to the octet baryon magnetic moments studied previously. The values found for the magnetic moments of ${\ensuremath{\Delta}}^{++}$ and ${\ensuremath{\Omega}}^{\ensuremath{-}}$ are in good agreement with experiments. We finally calculate the total quark spin polarizations of the decuplet baryons and find that they are considerably smaller than what is expected from the non-relativistic quark model.

Key concepts: Baryon, Physics, Octet, Particle physics, Magnetic moment, Quark model, Quark, Omega baryon

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