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The Lambda decay rates in nuclei has been calculated in ref. 1 using the Propagator Method in Local Density Approximation. We have studied the dependence of the widths (including the one for the two-body induced process Lambda NN -> NNN) on…

Nuclear Theory · Physics 2017-08-23 W. M. Alberico , A De Pace , G. Garbarino , A. Ramos

A shell-correction method is applied to nuclei far from the beta stability line and its suitability to describe effects of the particle continuum is discussed. The sensitivity of predicted locations of one- and two-particle drip lines to…

Nuclear Theory · Physics 2008-11-26 W. Nazarewicz , T. R. Werner , J. Dobaczewski

Hadronic transport models may be utilized to extract bulk nuclear properties. Deduction of in-medium nucleon-nucleon cross sections and of nuclear viscosity is discussed, as well as the extraction of momentum dependence of nucleonic mean…

Nuclear Theory · Physics 2007-05-23 P. Danielewicz

New effective $\Lambda N$ interactions are proposed for the density dependent relativistic mean field model. The multidimensionally constrained relativistic mean field model is used to calculate ground state properties of eleven known…

Nuclear Theory · Physics 2021-12-08 Yu-Ting Rong , Zhong-Hao Tu , Shan-Gui Zhou

The results of calculations of nuclear magnetic resonance (NMR) parameters for the lead halides is reported in this paper. The results are obtained by using four-component methods. The use of the nonrelativistic L\'evy-Leblond Hamiltonian…

Atomic Physics · Physics 2008-04-14 Rodolfo H. Romero

We investigate short range correlations in nuclear and hypernuclear matter. Self-energies due to short range correlations and their influence on the nucleon and $\Lambda$-hyperon spectral functions are described in an approach accounting…

Nuclear Theory · Physics 2008-11-26 P. Konrad , H. Lenske

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

We use the newly developed Multi-Reference In-Medium Similarity Renormalization Group to study all even isotopes of the calcium and nickel isotopic chains, based on two- plus three-nucleon interactions derived from chiral effective field…

Nuclear Theory · Physics 2014-10-29 H. Hergert , S. K. Bogner , T. D. Morris , S. Binder , A. Calci , J. Langhammer , R. Roth

The long-range terms of the subleading chiral three-nucleon force [published in Phys.\,Rev.\,C77, 064004 (2008)] are specified to the case of three neutrons. From these $3n$-interactions an effective density-dependent neutron-neutron…

Nuclear Theory · Physics 2020-12-21 N. Kaiser

We consider an effective Lagrangian describing a fluid living on two-di\-men\-sio\-nal planes. The fluid self-interacts through a Chern-Simons vector potential, whose field strength is proportional to the density fluctuation. This effective…

Condensed Matter · Physics 2009-10-22 Pietro Donatis , Roberto Iengo

The non--mesonic weak decay of double--$\Lambda$ hypernuclei is studied within a microscopic diagrammatic approach. Besides the nucleon--induced mechanism, $\Lambda N\to nN$, widely studied in single--$\Lambda$ hypernuclei, additional…

Nuclear Theory · Physics 2015-03-23 E. Bauer , G. Garbarino , C. A. Rodriguez Peña

We extend the relativistic point coupling model to single-$\Lambda$ hypernuclei. For this purpose, we add $N$-$\Lambda$ effective contact couplings to the model Lagrangian, and determine the parameters by fitting to the experimental data…

Nuclear Theory · Physics 2015-06-03 Y. Tanimura , K. Hagino

M1 properties, comprising magnetic moments and radiative capture of thermal neutron observables, are studied in two- and three-nucleon systems. We utilize meson exchange current derived up to N$^3$LO using heavy baryon chiral perturbation…

Nuclear Theory · Physics 2010-04-14 Young-Ho Song , Rimantas Lazauskas , Tae-Sun Park

The density dependent relativistic hadron field theory is used to describe single particle properties of Lambda hypernuclei. The discussion focuses on the spin-orbit systematics in the relativistic mean-field formalism by discussing general…

Nuclear Theory · Physics 2009-11-07 C. Keil , H. Lenske

We extend a chiral effective field theory approach to the $\Lambda$-nuclei interaction with the inclusion of the decuplet baryons. More precisely, we study the contributions due to the long-range two-pion exchange, with $\Sigma$ and…

Nuclear Theory · Physics 2007-05-23 J. Martín Cámalich

We have revisited the possible existence and the binding mechanism of heavy hyperhydrogen 6^H_Lambda. This Lambda hypernucleus is enriched in information about Lambda hypernuclear dynamics which would shed a light on significant role of…

Nuclear Theory · Physics 2012-11-27 Theingi , Khin Swe Myint , Y. Akaishi

The structure of single-$\Lambda$ hypernuclei is studied using the chiral hyperon-nucleon potentials derived at leading order (LO) and next-to-leading order (NLO) by the J\"{u}lich--Bonn--Munich group. Results for the separation energies of…

Nuclear Theory · Physics 2020-03-18 Johann Haidenbauer , Isaac Vidana

Three-nucleon force and continuum play important roles in reproducing the properties of atomic nuclei around driplines. Therefore it is valuable to build up a theoretical framework where both effects can be taken into account to solve the…

Nuclear Theory · Physics 2020-08-04 Y. Z. Ma , F. R. Xu , L. Coraggio , B. S. Hu , J. G. Li , T. Fukui , L. De Angelis , N. Itaco , A. Gargano

Heavy neutral leptons are predicted in many extensions of the Standard Model with massive neutrinos. If kinematically accessible, they can be copiously produced from kaon and pion decays in atmospheric showers, and subsequently decay inside…

High Energy Physics - Phenomenology · Physics 2020-04-22 Pilar Coloma , Pilar Hernández , Víctor Muñoz , Ian. M. Shoemaker

The advent of nucleon-nucleon potentials derived from chiral perturbation theory, as well as the so-called V-low-k approach to the renormalization of the strong short-range repulsion contained in the potentials, have brought renewed…

Nuclear Theory · Physics 2015-05-27 L. Coraggio , A. Covello , A. Gargano , N. Itaco , T. T. S. Kuo
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