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We calculate the binding energy of two $Lambda$ hyperons bound to a nuclear core within the relativistic mean field theory. The starting point is a two-body relativistic equation of the Breit type suggested by the RMFT, and corrected for the two-particle interaction. We evaluate the 2 $Lambda$ correlation energy and estimate the contribution of the $sigma^*$ and $Phi$ mesons, acting solely between hyperons, to the bond energy $Delta{B_{LambdaLambda}}$ of $^6_{LambdaLambda}He$, $^{10}_{LambdaLambda}Be$ and $^{13}_{LambdaLambda}B$. Predictions of the $Delta{B_{LambdaLambda}}$ A dependence are made for heavier $Lambda$-hypernuclei.
Based on relativistic mean field (RMF) models, we study finite $Lambda$-hypernuclei and massive neutron stars. The effective $N$-$N$ interactions PK1 and TM1 are adopted, while the $N$-$Lambda$ interactions are constrained by reproducing the binding
Deformed multi-$Lambda$ hypernuclei are studied within a relativistic mean-field model. In this paper, we take some $N=Z$ hyper isotope chains, i.e., $^{8+n}_{ nLambda}{rm Be}$, $^{20+n}_{ nLambda}{rm Ne}$, and $^{28+n}_{ nLambda}{rm Si}$ system
This research article is a follow up of earlier work by M. Ikram et al., reported in International Journal of Modern Physics E {bf{25}}, 1650103 (2016) wherein we searched for $Lambda$ magic numbers in experimentally confirmed doubly magic nucleonic
The Physical origin of the nuclear symmetry energy is studied within the relativistic mean field (RMF) theory. Based on the nuclear binding energies calculated with and without mean isovector potential for several isobaric chains we conform earlier S
We calculate the $Lambda Lambda to YN$ transition rate of ${^{phantom{Lambda}6}_{Lambda Lambda}}$He by the hybrid picture, the $pi$ and $K$ exchanges plus the direct quark processes. It is found that the hyperon-induced decay is weaker than the nucle