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In this work, we present a new approximate method for obtaining simple wave functions for the ground state of exotic nuclei with a neutron halo. We model the system as a two-cluster structure, treating the core and halo as inert objects.…

Nuclear Theory · Physics 2025-03-21 H. M. Maridi , Jagjit Singh , N. R. Walet , D. K. Sharp

We calculate the one neutron removal reaction cross-section $(\sigma_{-1n})$ for few stable and neutron-rich halo nuclei with $^{12}$C as target, using relativistic mean field (RMF) densities, in the frame work of Glauber model.The results…

Nuclear Theory · Physics 2021-06-01 R. N. Panda , S. K. Patra

We compare the dark matter halos' structural parameters derived for four Milky Way dwarf spheroidal galaxies to those of subhalos found in cosmological $N$-body simulations. We confirm that estimates of the mass at a single fixed radius are…

Astrophysics of Galaxies · Physics 2015-12-02 Maarten A. Breddels , Carlos Vera-Ciro , Amina Helmi

Supernova remnants (SNRs) are known to accelerate particles to relativistic energies, on account of their nonthermal emission. The observational progress from radio to gamma-ray observations reveals more and more morphological features that…

High Energy Astrophysical Phenomena · Physics 2021-11-03 Robert Brose , Martin Pohl , Iurii Sushch

Halo nuclei are characterized by a few weakly bound halo nucleons and a more tightly bound core. This separation of scales can be exploited in a few-body description of halo nuclei, since the detailed structure of the core is not resolved…

Nuclear Theory · Physics 2023-02-03 H. -W. Hammer

Background: A newly identified dripline nucleus $^{31}$F offers a unique opportunity to study the two-neutron ($2n$) correlation at the east shore of the island of inversion where the $N = 28$ shell closure is lost. Purpose: We aim to…

Nuclear Theory · Physics 2020-04-15 H. Masui , W. Horiuchi , M. Kimura

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

We investigate how galactic disk structures connect to the detailed properties of their host dark-matter halos using the TNG50 simulation. From the hydrodynamic and matched dark-matter-only runs, we measure a comprehensive list of halo…

Astrophysics of Galaxies · Physics 2026-03-20 Jinning Liang , Fangzhou Jiang , Houjun Mo , Andrew Benson , Philip F. Hopkins , Avishal Dekel , Luis C. Ho

Nuclei in the upper-$sd$ shell usually exhibit characteristics of spherical single particle excitations. In the recent years, employment of sophisticated techniques of gamma spectroscopy has led to observation of high spin states of several…

Nuclear Experiment · Physics 2013-08-06 M. Saha Sarkar , Abhijit Bisoi , Sudatta Ray , Ritesh Kshetri , S. Sarkar

Conventional studies of galaxy clustering within the framework of halo models typically assume that the density profile of all dark matter haloes can be approximated by the Navarro-Frenk-White (NFW) spherically symmetric profile. However,…

Cosmology and Nongalactic Astrophysics · Physics 2024-04-09 Anna Durkalec , Agnieszka Pollo , Ummi Abbas

Background$\colon$ The $^{29}$F system is located at the lower-N boundary of the "island of inversion" and is an exotic, weakly bound system. Little is known about this system beyond its two-neutron separation energy ($S_{2n}$) with large…

Nuclear Theory · Physics 2020-02-24 Jagjit Singh , J. Casal , W. Horiuchi , L. Fortunato , A. Vitturi

Properties of intermediate mass nuclei have been investigated within the framework of the alpha-cluster model in combination with systematic double-folding potentials. Previously, this alpha-cluster model has been widely applied to light…

Nuclear Theory · Physics 2008-03-21 Peter Mohr

Accurately predicting structural properties of dark matter halos is one of the fundamental goals of modern cosmology. We use the new suite of MultiDark cosmological simulations to study the evolution of dark matter halo density profiles,…

Cosmology and Nongalactic Astrophysics · Physics 2016-06-15 Anatoly Klypin , Gustavo Yepes , Stefan Gottlober , Francisco Prada , Steffen Hess

We present theoretical predictions and extrapolations from observed data of the stellar halos surrounding central group/cluster galaxies and the transition radius between them and the intracluster or diffuse light. Leveraging the…

Astrophysics of Galaxies · Physics 2024-11-28 Emanuele Contini , Marilena Spavone , Rossella Ragusa , Enrichetta Iodice , Sukyoung K. Yi

The region of heavy calcium isotopes forms the frontier of experimental and theoretical nuclear structure research where the basic concepts of nuclear physics are put to stringent test. The recent discovery of the extremely neutron-rich…

Nuclear Theory · Physics 2020-01-17 Léo Neufcourt , Yuchen Cao , Witold Nazarewicz , Erik Olsen , Frederi Viens

The best examples of halo nuclei, exotic systems with a diffuse nuclear cloud surrounding a tightly-bound core, are found in the light, neutron-rich region, where the halo neutrons experience only weak binding and a weak, or no, potential…

We use the results of a high resolution N-body simulation to investigate the role of the environment on the formation and evolution of galaxy-sized halos. Starting from a set of constrained initial conditions, we have produced a final…

We present an \textit{ab initio} study of nuclear structure in the island of inversion around neutron number $N=20$, using multishell effective Hamiltonians derived from the valence-space in-medium similarity renormalization group approach…

Nuclear Theory · Physics 2025-11-25 X. C. Cao , C. F. Jiao

Applications of configuration mixing methods for nuclei near the proton and neutron drip lines are discussed. A short review of magic numbers is presented. Prospects for advances in the regions of four new "outposts" are highlighted:…

Nuclear Theory · Physics 2022-04-14 B. Alex Brown

We present a new observable to study halo nuclei. This new observable is a particular ratio of angular distributions for elastic breakup and scattering. For one-neutron halo nuclei, it is shown to be independent of the reaction mechanism…

Nuclear Theory · Physics 2015-03-19 P. Capel , R. C. Johnson , F. M. Nunes
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