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An Alternating Quark Sequence Predicts Nuclear Radius from Quark Number

revised on 22.10.2020, 19:23 and posted on 23.10.2020, 06:30 by Raymond Walsh

The atomic nucleus is made of protons and neutrons, each comprising a mix of 3 up or down quarks. No consensus exists for nuclear structure from among the 30+ proposed models of the atomic nucleus, although they generally agree that quarks play no role. The light nuclides of interest to nuclear fusion exist in a purgatory of uncertainty, wanting not only for structure but also for some insight into their erratic sizes. The deuterium nucleus is twice the mass of the proton but 2.5 times larger. In fact, deuterium is larger than either tritium or helium-4. The lithium-7 nucleus is larger than all of these, yet smaller than lithium-6. Here we show that an alternating quark model (AQM) predicts these erratic nuclear radii to within 99% of experimental (SD 2.5%). The distance between sequential quarks is constant and equal to the radius of the proton. Quark structures assume simple geometries. Alternating quarks predict the height of the Coulomb barrier, and demonstrate a coulombic mechanism for quantum tunneling. Through the lens of nonlinear dynamics, quarks behave as linked harmonic oscillators traveling within a basin of attraction. This satisfies the uncertainty principle while allowing localization of an average quark position. The alternating quark model thus represents an intersection between chaos theory and quantum mechanical uncertainty.




Email Address of Submitting Author


Dr Raymond Walsh, PLLC


United States

ORCID For Submitting Author


Declaration of Conflict of Interest

No conflict of interest

Version Notes

Version number 4 includes includes a 10' video with a discussion of quarks within nucleons as linked harmonic oscillators vis a vis Chaos theory.