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Related papers: Microscopic calculations of 6He and 6Li with real-…

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A dark-matter-only Horizon Project simulation is used to investigate the environment- and redshift- dependence of accretion onto both halos and subhalos. These objects grow in the simulation via mergers and via accretion of diffuse non-halo…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 Henry Tillson , Lance Miller , Julien Devriendt

We present a new method for calculating electronic states in low-dimensional semiconductor heterostructures, which is based on the real-space Hamiltonian in the envelope function approximation. The numerical implementation of the method is…

Mesoscale and Nanoscale Physics · Physics 2011-06-01 Yong-Hee Cho , Alexey Belyanin

We present a detailed formalism of the microscopic particle-rotor model for hypernuclear low-lying states based on a covariant density functional theory. In this method, the hypernuclear states are constructed by coupling a hyperon to…

Nuclear Theory · Physics 2015-04-21 H. Mei , K. Hagino , J. M. Yao , T. Motoba

The sums over (e,e') spectra of 6Li and 7Li nuclei which correspond to the longitudinal sum rule are studied. It is suggested that due to the cluster structure of the lithium isotopes these sums may approximately be expressed in terms of…

Nuclear Theory · Physics 2016-09-13 V. D. Efros , I. S. Timchenko , A. Yu. Buki

We report a study of the low-lying states of deformed $^{21}$Ne within the framework of quantum-number projected generator coordinate method (PGCM), starting from a chiral two-nucleon-plus-three-nucleon (NN+3N) interaction. The wave…

Nuclear Theory · Physics 2024-10-02 W. Lin , E. F. Zhou , J. M. Yao , H. Hergert

We present ground-state energies of helium halo nuclei based on chiral low-momentum interactions, using the hyperspherical-harmonics method for 6He and coupled-cluster theory for 8He, with correct asymptotics for the extended halo…

Nuclear Theory · Physics 2010-01-06 S. Bacca , A. Schwenk , G. Hagen , T. Papenbrock

We studied the structural and the electronic properties of small Mo clusters (n = 2 ~ 8) via projector augmented wave pseudopotential calculations using plane wave basis functions. Our results show that the 4s- and 4p-semicore states play…

Materials Science · Physics 2015-04-06 Byeong June Min

A simple way to generate low energy phase shifts for elastic scattering using bound-state calculations is postulated, validated and applied to the problem of e+ - Mg scattering. The essence of the method is to use the energy shift between a…

Atomic Physics · Physics 2007-05-23 J. Mitroy , M. W. J. Bromley

A simple three-body model of 6He is extended to include sd-continuum states in the picture in addition to the already investigated p-states. The role of different continuum components in the weakly bound nucleus 6He is studied by coupling…

Nuclear Theory · Physics 2016-04-20 Jagjit Singh , L. Fortunato

We perform a detailed comparison of results of the Gamow Shell Model (GSM) and the Gaussian Expansion Method (GEM) supplemented by the complex scaling (CS) method for the same translationally-invariant cluster-orbital shell model (COSM)…

Nuclear Theory · Physics 2015-06-18 Hiroshi Masui , Kiyoshi Katō , Nicola Michel , Marek Płoszajczak

This work presents a combined experimental and theoretical investigation of the nuclear reaction $^{6}$Li + $^{12}$C at a laboratory energy of 68 MeV. The reaction products are identified via the standard $\Delta$E-E technique. Angular…

A structural study of the smaller Li$^+$He$_n$ clusters with $n\le30$ has been carried out using different theoretical methods. The structures and the energetics of the clusters have been obtained using both classical energy minimization…

Chemical Physics · Physics 2007-05-23 C. Di Paola , F. Sebastianelli , E. Bodo , I. Baccarelli , F. A. Gianturco

In many signal processing applications it is required to estimate the unobservable state of a dynamic system from its noisy measurements. For linear dynamic systems with Gaussian Mixture (GM) noise distributions, Gaussian Sum Filters (GSF)…

Systems and Control · Computer Science 2014-05-14 Leila Pishdad , Fabrice Labeau

We report on a consistent, microscopic calculation of the bound and scattering states in the 4He system employing modern realistic two-nucleon and three-nucleon potentials in the framework of the resonating group model (RGM). We present for…

Nuclear Theory · Physics 2007-05-23 Hartmut M. Hofmann , Gerald M. Hale

Experimental momentum distributions for the transitions to the ground state and first excited state of 6He have been measured via the reaction 7Li(e,e'p)6He, in the missing momentum range from -70 to 260 MeV/c. They are compared to…

Nuclear Theory · Physics 2008-11-26 L. Lapikas , J. Wessling , R. B. Wiringa

We compare dense clumps and cores in a numerical simulation of molecular clouds (MCs) undergoing global hierarchical collapse (GHC) to observations in two MCs at different evolutionary stages, the Pipe and the G14.225 clouds, to test the…

Astrophysics of Galaxies · Physics 2020-11-11 Vianey Camacho , Enrique Vázquez-Semadeni , Aina Palau , Gemma Busquet , Manuel Zamora-Avilés

We present the first high resolution MHD simulation of cosmic-ray electron reacceleration by turbulence in cluster mergers. We use an idealised model for cluster mergers, combined with a numerical model for the injection, cooling and…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Julius Donnert , Klaus Dolag , Gianfranco Brunetti , Rossella Cassano

The Gaussian expansion method (GEM) is extensively applied to the calculations in the random-phase approximation (RPA). We adopt the mass-independent basis-set that has been tested in the mean-field calculations. By comparing the RPA…

Nuclear Theory · Physics 2015-05-13 H. Nakada , K. Mizuyama , M. Yamagami , M. Matsuo

The beta-decay of the 6He halo nucleus and the M1-transition processes of the excited 6Li(0+) state into the alpha + d continuum are studied in a three-body model. The initial nuclear states are described as an alpha + 2N system in…

Nuclear Theory · Physics 2016-09-08 E. M. Tursunov , D. Baye , P. Descouvemont

M1 transitions from the $^6$Li($0^+;T=1$) state at 3.563 MeV to the $^6$Li($1^+$) ground state and to the $\alpha+d$ continuum are studied in a three-body model. The bound states are described as an $\alpha+n+p$ system in hyperspherical…

Nuclear Theory · Physics 2009-11-13 E. M. Tursunov , P. Descouvemont , D. Baye