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A generalized mass formula is used to calculate the neutron and proton drip lines of normal and lambda hypernuclei treating non-strange and strange nuclei on the same footing. Calculations suggest existence of several bound hypernuclei…

High Energy Physics - Phenomenology · Physics 2008-04-23 C. Samanta , P. Roy Chowdhury , D. N. Basu

Neutron and proton driplines of single-$\Lambda$ and double-$\Lambda$ hypernuclei, $\Xi^{-}$ hypernuclei as well as normal nuclei are studied within a relativistic mean field approach using an extended form of the FSU Gold Lagrangian…

Nuclear Theory · Physics 2013-02-12 Bipasha Bhowmick , Abhijit Bhattacharyya , G. Gangopadhyay

Neutron dripline calculations for both magnesium nuclei and magnesium + $\Lambda$ hypernuclei have been carried out in a microscopic framework using a chiral effective model. The results are compared with two other relativistic mean field…

Nuclear Theory · Physics 2014-05-29 Torsten Schürhoff , Stefan Schramm , Chhanda Samanta

We explore the systematics of ground-state and excitation energies in singly-strange hypernuclei throughout the helium and lithium isotopic chains --- from $^5_\Lambda$He to $^{11}_\Lambda$He and from $^7_\Lambda$Li to $^{12}_\Lambda$Li ---…

Nuclear Theory · Physics 2018-03-01 Roland Wirth , Robert Roth

Simultaneous description of ordinary and hypernuclei masses by a single mass formula has been a great challenge in nuclear physics. Hyperon-separation energies of about forty Lambda($\Lambda$), three Lambda-Lambda($\Lambda\Lambda$), one…

Nuclear Theory · Physics 2017-08-23 C. Samanta , P. Roy Chowdhury , D. N. Basu

A simultaneous description of non-strange nuclei, hypernuclei and multiply-strange nuclear systems is provided by a single mass formula which is shown to be useful for estimating binding energies of nuclear systems over a wide mass range,…

Nuclear Theory · Physics 2015-05-18 C. Samanta

Neutron rich Ca and Ni nuclei have been studied in spherical Relativistic Mean Field formalism in co-ordinate space. A delta interaction has been has been adopted to treat the pairing correlations for the neutrons. Odd nuclei have been…

Nuclear Theory · Physics 2009-11-11 Madhubrata Bhattacharya , G. Gangopadhyay

The proton drip line of (hyper)nuclei is examined within the framework of the deformed Skyrme-Hartree Fock approach by adjusting the nuclear force parameters to exactly reproduce the core binding energies. The impact of adding a {\Lambda}…

Nuclear Theory · Physics 2024-07-17 Yi-Xiu Liu , Huai-Tong Xue , Q. B. Chen , Xian-Rong Zhou , H. -J. Schulze

Using HF+BCS method we study light nuclei with nuclear charge in the range $2 \leq Z \leq 8$ and lying near the neutron drip line. The HF method uses effective Skyrme forces and allows for axial deformations. We find that the neutron drip…

The recently observed abnormal bifurcation of the double binding energy differences $\delta V_{pn}$ between the odd-odd and even-even nuclei along the $N=Z$ line from Ni to Rb has challenged the nuclear theories. To solve this problem, a…

Nuclear Theory · Physics 2024-06-06 Y. P. Wang , Y. K. Wang , F. F. Xu , P. W. Zhao , J. Meng

Proton and neutron separation energies have been calculated using the extended Bethe-Weizsacker mass formula. This modified Bethe-Weizsacker mass formula describes minutely the positions of all the old and the new magic numbers. It accounts…

Nuclear Theory · Physics 2009-11-10 D. N. Basu

We investigate the influence of the nuclear symmetry energy and its density slope parameter on the neutron dripline and neutron star properties using a semi-classical liquid drop model (LDM) and energy density functionals constrained by…

Nuclear Theory · Physics 2026-03-31 Yeunhwan Lim , Jeremy W. Holt

A simultaneous description of non-strange nuclei and hypernuclei is provided by a single mass formula inspired by the spin-flavour SU(6) symmetry breaking. This formula is used to estimate the hyperon binding energies of Lambda, double…

Nuclear Theory · Physics 2008-11-26 C. Samanta , P. Roy Chowdhury , D. N. Basu

Properties of 8,979 nuclei ranging from oxygen-16 to Z = 136, A = 339 and extending from the proton drip line to the neutron drip line have been calculated by use of the 1992 version of the finite-range droplet model. The calculated…

Nuclear Theory · Physics 2007-05-23 J. Rayford Nix , Peter Moller

Neutron rich nuclei has been studied with a new phenomenological mass formula. Predictions of different mass formulas for the location of the neutron dripline are compared with those from the present calculation. The implications of the new…

Nuclear Theory · Physics 2012-07-13 Chirashree Lahiri , G. Gangopadhyay

We investigate how the neutron drip line is related to the density dependence of the symmetry energy, by using a macroscopic nuclear model that allows us to calculate nuclear masses in a way dependent on the equation of state of asymmetric…

Nuclear Theory · Physics 2014-11-21 Kazuhiro Oyamatsu , Kei Iida , Hiroyuki Koura

We study the effect of a $\Lambda$ hyperon immersed in the doubly magic nuclei, $^{16}$O, $^{40}$Ca, $^{48}$Ca, and $^{208}$Pb, as well as the neutron magic nucleus $^{90}$Zr. For a $\Lambda$ in the $1s$ and $1p$ states in…

Nuclear Theory · Physics 2012-04-26 K. Tsushima , A. W. Thomas

Nuclei in the vicinity of the proton dripline and beyond it are a fascinating realm within the chart of nuclei. In this chapter the main phenomena that characterize this domain and are not to be found elsewhere are explored. While moving…

Nuclear Experiment · Physics 2022-06-22 Marek Pfützner , Chiara Mazzocchi

The role of the isoscalar hyperon Lambda in probing the density dependence of the nuclear symmetry energy is studied in multi-Lambda hypernuclei, hyperon-rich matter and neutron stars in relativistic models. Relationships between the…

Nuclear Theory · Physics 2008-11-26 W. Z. Jiang

Nuclear superfludity in exotic nuclei close to the drip lines and in the inner crust matter of neutron stars have common features which can be treated with the same theoretical tools. In the first part of my lecture I discuss how two such…

Nuclear Theory · Physics 2017-08-23 Nicolae Sandulescu
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