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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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18 citations
TL;DR: The atomic masses of 42 stable nuclides in the region from palladium through xenon have been measured with a double focusing mass spectrometer as discussed by the authors, and the data provided a table of 74 mass values between mass numbers 102 and 136, revealing an irregularity at the magic number of 50 protons similar in nature to those previously reported from this laboratory at 20 and 28 protons.
Abstract: The atomic masses of 42 stable nuclides in the region from palladium through xenon have been measured with a double focusing mass spectrometer. Combined with nuclear reaction mass differences the data provide a table of 74 mass values between mass numbers 102 and 136. A fit of the Wigner semi-empirical mass formula to these values reveals an irregularity at the magic number of 50 protons similar in nature to those previously reported from this laboratory at 20 and 28 protons. Also evident is an inability of the formula to account for the binding energy variations between isobaric nuclei. An empirical modification of the formula is observed to correct largely for this latter effect.
18 citations
18 citations
TL;DR: In this paper, generalized vector meson dominance is used as a method for inserting mass effects into the simple quark parton model, and the implementation of quark model symmetries implies relations among the towers of vector resonances, which specify the magnitude and approach to scaling of different qq sea components in deep inelastic electron and neutrino scattering.
18 citations
TL;DR: In this paper, the AGMD was shown to be ( ρ − 3 p / c 2 ) for a static fluid sphere, where p is the isotropic pressure and c is the speed of light.
18 citations