Polarized quark distributions in bound nucleon and polarized EMC effect in Thermodynamical Bag Model |
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Authors: | Kuppusamy Ganesamurthy Raghavan Sambasivam |
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Affiliation: | Research Department of Physics, Urumu Dhanalakshmi College, Trichy 620019, India |
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Abstract: | The polarized parton distribution functions (PDFs) and nuclear structure functions are evaluated by the phenomenological Thermodynamical Bag Model for nuclear media 7Li and 27Al. The Fermi statistical distribution function which includes the spin degree of freedom is used in this statistical model. We predict a sizeable polarized EMC effect. The results of quark spin sum and axial coupling constant of bound nucleons are compared with theoretical predictions of modified Nambu–Jona-Lasinio (NJL) model by Bentz et al. |
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Keywords: | Polarized EMC effect Structure functions Bag model |
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