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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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TL;DR: In this paper, a geometrical model of elementary particles in which leptons, quarks and hadrons are treated on the same footing is presented, and an empirical mass formula for higher quark generation is proposed leading to a prediction for t-quark mass value.
Abstract: Starting from abstract quantum states of spin 1/2, the rishon states as introduced by Harari and Shupe, and projecting them onto a three-dimensional space, one describes a geometrical model of elementary particles in which leptons, quarks and hadrons are treated on the same footing. Their internal quantum numbers are thus related to the rishon content of these particles or states. A basic hypothesis on the lepton and quark generations allows a coherent graphical representation of elementary particles which gives a clear comprehension of their possible decay modes and seems to limit to four the generation number of leptons. An empirical mass formula for higher quark generation is then proposed leading to a prediction for t-quark mass value. The possible existence of exotic particles is then considered.
2 citations
2 citations
TL;DR: The binding energies per-nucleon for 1654 nuclei, whose mass numbers range from 16 to 263 and charge numbers from 8 to 106, are calculated by the relativistic mean field theory, with finite nucleon size effect being taken into account as discussed by the authors.
Abstract: The binding energies per-nucleon for 1654 nuclei, whose mass numbers range from 16 to 263 and charge numbers range from 8 to 106, are calculated by the relativistic mean field theory, with finite nucleon size effect being taken into account. The calculated energy surface goes through the middle of experimental points, and the root mean square deviation for the binding energies per-nucleon is 0.08163 MeV. The numerical results may be well simulated by a droplet model type mass formula. The droplet model is therefore put on the relativistic mean field theoretical foundations.
2 citations
TL;DR: In this paper, the authors considered globally regular and black hole solutions in SU(2) Einstein-Yang-Mills-Higgs theory coupled to a dilaton field and showed that the black hole solution satisfies a generalized Smarr type mass formula.
Abstract: We consider globally regular and black hole solutions in SU(2) Einstein-Yang-Mills-Higgs theory, coupled to a dilaton field. The basic solutions represent magnetic monopoles, monopole-antimonopole systems or black holes with monopole or dipole hair. When the globally regular solutions carry additionally electric charge, an angular momentum density results, except in the simplest spherically symmetric case. We evaluate the global charges of the solutions and their effective action, and analyze their dependence on the gravitational coupling strength. We show, that in the presence of a dilaton field, the black hole solutions satisfy a generalized Smarr type mass formula.
2 citations
TL;DR: With the use of the E-infinity theory and the Regge pole model, Wang et al. as mentioned in this paper calculated the masses of the excited states in hadrons, and obtained the nice agreement with experiments.
Abstract: With the use of Regge pole model and E-infinity theory, we have calculated the masses of the excited states in hadrons, and obtained the nice agreement with experiments. We have shown the Regge–Chew–Frautschi diagrams and discussed some properties of excited states in hadrons. We have also classified the masses of elementary particles according to the mass formula m k = b l n ( k ) ( 〈 m π 〉 ) l ( ϕ ) n δ k , which we have used in this paper.
2 citations