Importance of sea contribution to nucleons

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Abstract

We studied the statistical model of nucleons consisting of sea having various quark-gluon Fock states in addition to valence quarks. Using statistical consideration and taking 86% of the total Fock states contributing to the low energy properties of nucleon, we aim to find the contributions to these properties coming from the scalar, vector and tensor sea. We checked its validity against the assumption where the contributions from scalar and tensor sea have been suppressed and justified to be unimportant. We took the approximation that sea is getting a zero contribution from H0G10- and H1G10- in three gluon states. Under the above considerations, the calculated magnetic moment, spin distribution and weak decay coupling constant ratio for proton and neutron states have been tabulated. We hereby confirm that the suppression of the scalar and tensor sea leads to modification in the parameters of the nucleons showing deviation from the experimental data. © 2012 Elsevier B.V.

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Batra, M., & Upadhyay, A. (2012). Importance of sea contribution to nucleons. Nuclear Physics A, 889, 18–28. https://doi.org/10.1016/j.nuclphysa.2012.06.004

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