نتایج جستجو برای: nuclear density

تعداد نتایج: 637521  

Journal: :Universe 2021

A Bayesian analysis of the possible behaviors dense matter equation state informed through recent LIGO-Virgo as well NICER measurements reveals that all present observations are compatible with a fully nucleonic hypothesis for composition matter, even in core most massive pulsar PSR J0740+6620. Under composition, we extract general behavior energy per particle symmetric and density dependence s...

1998
H. Müller B. K. Jennings

Three versions of the quark-meson coupling (QMC) model are applied to describe properties of nuclear matter and finite nuclei. The models differ in the treatment of the bag constant and in terms of nonlinear scalar self-interactions. In two versions of the model the bag constant is held fixed at its free space value whereas in the third model it depends on the density of the nuclear environment...

2005
L. W. Chen C. M. Ko Bao-An Li

Using the relativistic impulse approximation with empirical NN scattering amplitude and the nuclear scalar and vector densities from the relativistic mean-field theory, we have evaluated the Dirac optical potential for neutrons and protons in asymmetric nuclear matter for different parameter sets NL3, Z27v, and HA [1]. From the resulting Schrodinger-equivalent potential, the high energy behavio...

2002
N. Kaiser

We calculate the nuclear energy density functional relevant for N=Z even-even nuclei in the systematic framework of chiral perturbation theory. The calculation includes the onepion exchange Fock diagram and the iterated one-pion exchange Hartree and Fock diagrams. From these few leading order contributions in the small momentum expansion one obtains already a very good equation of state of isos...

Journal: :Journal of cataract and refractive surgery 2016
Fernando Faria-Correia Bernardo Lopes Tiago Monteiro Nuno Franqueira Renato Ambrósio

PURPOSE To test correlations between Scheimpflug optical densitometry and ocular higher-order aberrations (HOAs) in patients with mild nuclear cataract. SETTING Cornea and Refractive Surgery Department, Hospital de Braga, Braga, Portugal. DESIGN Retrospective single-center study. METHODS In eyes with mild nuclear cataract, lens densitometry was evaluated by Scheimpflug imaging (Pentacam H...

2004
X. Viñas

Nuclear and neutron matters are investigated in the low density region, well below the nuclear saturation density. Microscopic calculations, based on the Bethe-Brueckner approach with a few realistic nucleon-nucleon potentials, are compared with the predictions of a set of phenomenological effective interactions, mostly employed in nuclear structure studies. An energy functional is constructed ...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید