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Halo phenomena have long been an important frontier in both experimental and theoretical nuclear physics. $^{37}$Mg was identified as a halo nucleus in 2014 and remains the heaviest nuclear halo system to date. While the halo phenomenon in…

Nuclear Theory · Physics 2023-08-10 K. Y. Zhang , S. Q. Yang , J. L. An , S. S. Zhang , P. Papakonstantinou , M. -H. Mun , Y. Kim , H. Yan

Halo phenomena in deformed nuclei are investigated within a deformed relativistic Hartree Bogoliubov (DRHB) theory. These weakly bound quantum systems present interesting examples for the study of the interdependence between the deformation…

Nuclear Theory · Physics 2014-11-20 Shan-Gui Zhou , Jie Meng , P. Ring , En-Guang Zhao

Possible deformed neutron halos in silicon isotopes are investigated from both structure and reaction perspectives using the deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc) combined with the Glauber model. The…

Nuclear Theory · Physics 2026-04-03 C. Pan , J. L. An , P. Ring , X. H. Wu , P. Papakonstantinou , M. -H. Mun , Y. Kim , S. S. Zhang , K. Y. Zhang

A microscopic self-consistent triaxial relativistic Hartree-Bogoliubov theory in continuum (TRHBc), which simultaneously takes into account the triaxiality and pairing correlations as well as continuum effects, is established and applied to…

Nuclear Theory · Physics 2022-12-13 K. Y. Zhang , S. Q. Zhang , J. Meng

A deformed relativistic Hartree-Bogoliubov theory in continuum has been developed for the study of neutron halos in deformed nuclei and the halo phenomenon in deformed weakly bound nuclei is investigated. Magnesium and neon isotopes are…

Nuclear Theory · Physics 2013-05-16 Lulu Li , Jie Meng , P. Ring , En-Guang Zhao , Shan-Gui Zhou

In this contribution we present some recent results about neutron halos in deformed nuclei. A deformed relativistic Hartree-Bogoliubov theory in continuum has been developed and the halo phenomenon in deformed weakly bound nuclei is…

Nuclear Theory · Physics 2012-11-07 Lulu Li , Jie Meng , P. Ring , En-Guang Zhao , Shan-Gui Zhou

The interaction cross sections for $^A Na + ^{12}C$ reaction are calculated using Glauber model. The continuum Hartree-Bogoliubov theory has been generalized to treat the odd particle system and take the continuum into account. The theory…

Nuclear Theory · Physics 2009-10-31 J. Meng , I. Tanihata , S. Yamaji

A deformed relativistic Hartree Bogoliubov (RHB) theory in continuum is developed aiming at a proper description of exotic nuclei, particularly those with a large spatial extension. In order to give an adequate consideration of both the…

Nuclear Theory · Physics 2012-02-23 Lulu Li , Jie Meng , P. Ring , En-Guang Zhao , Shan-Gui Zhou

We present a systematic study of halo characteristics in the neutron-rich isotopes 28-32Ne within the deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc). Microscopic density distributions are analyzed in coordinate space,…

Nuclear Theory · Physics 2026-04-07 Heesung Kwon , Kyoungsu Heo , Seonghyun Kim , Eunja Ha , Myung-Ki Cheoun

Based on the point-coupling density functional, the time-odd deformed relativistic Hartree-Bogoliubov theory in continuum (TODRHBc) is developed. Then the effects of nuclear magnetism on halo phenomenon are explored by taking the…

Nuclear Theory · Physics 2024-03-07 Cong Pan , Kaiyuan Zhang , Shuangquan Zhang

We study the exotic deformed nucleus $^{31}$Ne using an approach that combines self-consistent structure and reaction theory. We utilize the fully-relativistic, microscopic deformed Hartree-Bogoliubov theory in continuum (DRHBc) to…

Nuclear Theory · Physics 2021-09-09 Shi-Yi Zhong , Shi-Sheng Zhang , Xiang-Xiang Sun , Michael S. Smith

Halo phenomenon in deformed nuclei is studied by using a fully self-consistent deformed relativistic Hartree-Bogoliubov model in a spherical Woods-Saxon basis with the proper asymptotic behavior at large distance from the nuclear center.…

Nuclear Theory · Physics 2015-03-17 Shan-Gui Zhou , Jie Meng , P. Ring , En-Guang Zhao

Inspired by the recent debate as to whether the proton drip-line nucleus 22Al demonstrates a halo structure in its ground state and in order to assess such a possibility, we have analyzed theoretical results obtained within the relativistic…

Nuclear Theory · Physics 2025-01-15 Panagiota Papakonstantinou , Myeonghwan Mun , Cong Pan , Kaiyuan Zhang

Proton radii of $^{12-19}$C densities derived from first accurate charge changing cross section measurements at 900$A$ MeV with a carbon target are reported. A thick neutron surface evolves from $\sim$ 0.5 fm in $^{15}$C to $\sim$ 1 fm in…

We utilize the axially deformed relativistic Hartree-Fock-Bogoliubov (D-RHFB) model to describe the structure of neutron-rich carbon isotopes, taking into account the continuum, pairing correlations, tensor force and their interplay. In…

Nuclear Theory · Physics 2024-12-13 Jia-Lin An , Qi Lu , Wen Hui Long , Shi-Sheng Zhang

We study the proton magic O, Ca, Ni, Zr, Sn, and Pb isotope chains from the proton drip line to the neutron drip line with the relativistic continuum Hartree-Bogoliubov (RCHB) theory. Particulary, we study in detail the properties of…

Nuclear Theory · Physics 2009-11-10 S. Q. Zhang , J. Meng , H. Toki , I. Tanihata , S. -G. Zhou

We study deformed neutron halo nuclei in the mass region $40 < A < 90$ and their soft electric dipole ($E1$) excitations based on the deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc). Three candidates, $^{43}$Si,…

Nuclear Theory · Physics 2026-05-20 Xiao Lu , Cong Pan , Hiroyuki Sagawa , Xiang-Xiang Sun , Shan-Gui Zhou

Nuclei with large neutron-to-proton ratios have neutron skins, which manifest themselves in an excess of neutrons at distances greater than the radius of the proton distribution. In addition, some drip-line nuclei develop very extended halo…

Nuclear Theory · Physics 2009-10-31 S. Mizutori , J. Dobaczewski , G. A. Lalazissis , W. Nazarewicz , P. -G. Reinhard

The Relativistic Hartree Bogoliubov (RHB) model is applied in the self-consistent mean-field approximation to the description of the neutron halo in the mass region above the s-d shell. Pairing correlations and the coupling to particle…

Nuclear Theory · Physics 2009-02-11 W. Poeschl , D. Vretenar , G. A. Lalazissis , P. Ring

A triaxial relativistic Hartree-Bogoliubov theory in continuum (TRHBc) has been developed to incorporate triaxial deformation, pairing correlations, and continuum effects in a fully microscopic and self-consistent way, aiming for a reliable…

Nuclear Theory · Physics 2025-09-30 Kaiyuan Zhang , Shuangquan Zhang , Jie Meng
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