Magnetic moments of octet baryons in hot and dense nuclear matter

  • We have calculated the in-medium magnetic moments of octet baryons in the presence of hot and dense symmetric nuclear matter. Effective magnetic moments of baryons have been derived from medium modified quark masses within the chiral SU(3) quark mean field model. Further, for better insight into the medium modification of baryonic magnetic moments, we have considered the explicit contributions from the valence quarks, sea quarks and the sea orbital angular momentum of sea quarks. These effects have been successful in giving the description of baryonic magnetic moments in vacuum. The magnetic moments of baryons are found to vary significantly as a function of density of nuclear medium.
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Harpreet Singh, Arvind Kumar and Harleen Dahiya. Magnetic moments of octet baryons in hot and dense nuclear matter[J]. Chinese Physics C, 2017, 41(9): 094104. doi: 10.1088/1674-1137/41/9/094104
Harpreet Singh, Arvind Kumar and Harleen Dahiya. Magnetic moments of octet baryons in hot and dense nuclear matter[J]. Chinese Physics C, 2017, 41(9): 094104.  doi: 10.1088/1674-1137/41/9/094104 shu
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Received: 2017-04-24
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Magnetic moments of octet baryons in hot and dense nuclear matter

Abstract: We have calculated the in-medium magnetic moments of octet baryons in the presence of hot and dense symmetric nuclear matter. Effective magnetic moments of baryons have been derived from medium modified quark masses within the chiral SU(3) quark mean field model. Further, for better insight into the medium modification of baryonic magnetic moments, we have considered the explicit contributions from the valence quarks, sea quarks and the sea orbital angular momentum of sea quarks. These effects have been successful in giving the description of baryonic magnetic moments in vacuum. The magnetic moments of baryons are found to vary significantly as a function of density of nuclear medium.

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