Topic
Mass formula
About: Mass formula is a research topic. Over the lifetime, 1248 publications have been published within this topic receiving 22043 citations.
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01 Dec 1979
TL;DR: In this article, the β-decay energies of the mass separator LOHENGRIN were determined from measured β-endpoint energies, and the experimental values were compared with the predictions of several mass formulae.
Abstract: With sources obtained from the on-line mass separator LOHENGRIN the beta-decay energies of131Sn,134Sb,135,136Te,143,146Ba and146La have been determined from measuredβ-endpoint energies. The experimental values are compared with the predictions of several mass formulae.
22 citations
TL;DR: An improved version of the liquid drop model is presented in this paper, where the addition of two terms, linear and quadratic in the total number of valence nucleons (particles or holes), improves the description of atomic masses, which can be fitted with an r.m.s.
22 citations
TL;DR: In this paper, it was shown that the mass formula for BPS states is given by the periods of a special differential on a Riemann surface Σ n and that the surface can be obtained from the quotient of a symmetric n -monopole spectral curve by its symmetry group.
22 citations
TL;DR: In this paper, it was shown that a consistent treatment of nuclear bulk and surface effects leads to an improved version of the liquid-drop mass formula with modified symmetry and Coulomb terms.
Abstract: It is shown that a consistent treatment of nuclear bulk and surface effects leads to an improved version of the liquid-drop mass formula with modified symmetry and Coulomb terms. If in addition shell effects are modelled through the counting of the number of valence nucleons, a very simple mass formula is obtained with an rms deviation from the 2003 database of atomic masses of about 800keV. As an application, the volume and surface symmetry energy for A
$ \rightarrow$
∞ are determined. A similar description of nuclear radii is suggested with specific reference to the neutron skin.
22 citations
TL;DR: Baryon chiral symmetry quark model parameters are linked together in a consistent manner leading to mp ∽ mn ∽ 140 MeV, mλ ∽ 670 MeV and c = ϵ8/ϵ0 ∽ −0.8.
21 citations