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Related papers: Mapping the proton drip-line up to A=70

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High precision measurements of isospin $T=1/2$ decays in the neutron and nuclei provide strong model-independent constraints on extensions to the standard model of particle physics. A measurement of the $\beta$-asymmetry in $^{19}$Ne decay…

Nuclear Experiment · Physics 2020-11-24 Dustin Combs , Gordon Jones , William Anderson , Frank Calaprice , Leendert Hayen , Albert Young

Exploring nucleon drip lines and astrophysical rapid neutron capture process (r-process) paths in the nuclear landscape is extremely challenging in nuclear physics and astrophysics. While various models predict similar proton drip line,…

Nuclear Theory · Physics 2015-10-22 Rui Wang , Lie-Wen Chen

Determination of the high density behavior of the symmetry energy through the simultaneous measurement of elliptic flow excitation functions of neutrons, protons and light clusters is proposed. The elliptic flow developed in relativistic…

Results of decay spectroscopy on nuclei in vicinity of the doubly magic 48Ni are presented. The measurements were performed with a Time Projection Chamber with optical readout which records tracks of ions and protons in the gaseous volume.…

We show how to derive nuclear structure information on loosely bound nuclei far from the beta stability line from their Coulomb dissociation into the continuum. The 19C -> 18C + n process is taken as an example and it is shown that basic…

Nuclear Theory · Physics 2007-05-23 A. Mengoni

We study the impact of the nuclear symmetry energy and its density dependence on the {\alpha}-decay process. Within the frame work of the performed cluster model and the energy density formalism, we use different parameterizations of the…

Nuclear Theory · Physics 2018-07-04 W. M. Seif , A. S. Hashem

The Coulomb-like backward peak of the neutron-proton scattering differential cross section is due to one-pion exchange. Extrapolation to the pion pole of precise data should allow to obtain the value of the charged pion-nucleon coupling…

High Energy Physics - Phenomenology · Physics 2009-02-11 B. Loiseau , T. E. O. Ericson

Radioactive beams of $^{14}$O and $^{15}$O were used to populate the resonant states 1/2$^+$, 5/2$^+$ and $0^-,1^-,2^-$ in the unbound $^{15}$F and $^{16}$F nuclei respectively by means of proton elastic scattering reactions in inverse…

The simultaneous emission of two protons is an exotic and complex three-body process. It is very important for experimental groups investigating the nuclear stability on the proton drip line to have a simple rule predicting the two-proton…

Nuclear Theory · Physics 2022-03-14 D. S. Delion , S. A. Ghinescu

The evolution of nuclear shell structure is investigated for the first time within density-dependent relativistic Hartree-Fock theory and the role of $\pi$-exchange potential is studied in detail. The energy differences between the neutron…

Nuclear Theory · Physics 2008-11-26 Wen Hui Long , Hiroyuki Sagawa , Jie Meng , Nguyen Van Giai

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

Within the framework of the dinuclear system model, production cross sections of proton-rich nuclei with charged numbers of Z=84-90 are investigated systematically. Possible combinations with the $^{28}$Si, $^{32}$S, $^{40}$Ar bombarding…

Nuclear Theory · Physics 2017-05-17 Peng-Hui Chen , Zhao-Qing Feng , Fei Niu , Ya-Fei Guo , Hong-Fei Zhang , Jun-Qing Li , Gen-Ming Jin

The information on the symmetry energy and its density dependence is deduced by comparing the available data on the electric dipole polarizability $\alpha_D$ of ${}^{68}$Ni, ${}^{120}$Sn, and ${}^{208}$Pb with the predictions of the Random…

Nuclear Theory · Physics 2015-12-10 X. Roca-Maza , X. Viñas , M. Centelles , B. K. Agrawal , G. Colo' , N. Paar , J. Piekarewicz , D. Vretenar

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

It has been recently suggested that differences in the charge radii of mirror nuclei are proportional to the neutron-skin thickness of neutron-rich nuclei and to the slope of the symmetry energy $L$ [B.A. Brown Phys. Rev. Lett. 119, 122502…

Nuclear Theory · Physics 2018-01-31 Junjie Yang , J. Piekarewicz

Considering the preformation probability of the two emitted protons in the parent nucleus, we extend the Coulomb and proximity potential model (CPPM) to systematically study two-proton (2p) radioactivity half-lives of the nuclei close to…

Nuclear Theory · Physics 2022-08-15 De-Xing Zhu , Hong-Ming Liu , Yang-Yang Xu , You-Tian Zou , Xi-Jun Wu , Peng-Cheng Chu , Xiao-Hua Li

Based on the Relativistic continuum Hartree-Bogoliubov (RCHB) theory, the pseudo-spin approximation in exotic nuclei is investigated in Zr and Sn isotopes from the proton drip line to the neutron drip line. The quality of the pseudo-spin…

Nuclear Theory · Physics 2008-11-26 J. Meng , K. Sugawara-Tanabe , S. Yamaji , A. Arima

Half lives of the decays of spherical nuclei away from proton drip line by proton emissions are estimated theoretically. The quantum mechanical tunneling probability is calculated within the WKB approximation. Microscopic proton-nucleus…

Nuclear Theory · Physics 2007-05-23 D. N. Basu , P. Roy Chowdhury , C. Samanta

A novel method was developed for the extraction of short emission times of light particles from the projectile-like fragments in peripheral deep-inelastic collisions in the Fermi energy domain. We have taken an advantage of the fact that in…

Nuclear Experiment · Physics 2009-11-10 M. Jandel , A. S. Botvina , S. J. Yennello , G. A. Souliotis , D. V. Shetty , E. Bell , A. Keksis

High-resolution in-beam $\gamma$-ray spectroscopy was used to study excited states of the neutron-deficient nucleus $^{32}$Ar populated in fast-beam induced four- and six-nucleon removal reactions from $^{36,38}$Ca. One new $\gamma$-ray…