Papers by Robert L. Oldershaw
After two decades of efforts to identify the enigmatic dark matter that comprises the dominant fo... more After two decades of efforts to identify the enigmatic dark matter that comprises the dominant form of matter in our galaxy, the mass range for viable candidates appears to have been reduced by more than 50 orders of magnitude. Positive results have thus far been confined to the range: 10-7 Mo to 1.0 Mo, with apparent clustering within the ranges 10-5 Mo to 10-3 Mo and 0.08 Mo to 0.5 Mo. Positive and negative results are compared with specific predictions of cosmological models.
Http Dx Doi Org 10 1080 03081078108934814, Sep 18, 2008
Eprint Arxiv Astro Ph 0602451, Feb 20, 2006
Sky and Telescope, Apr 1, 1998
International Journal of Astronomy and Astrophysics, 2011
The scale invariance of the source-free Einstein field equations suggests that one might be able ... more The scale invariance of the source-free Einstein field equations suggests that one might be able to model hadrons as "strong gravity" black holes, if one uses an appropriate rescaling of units or a revised gravitational coupling factor. The inner consistency of this hypothesis is tested by retrodicting a close approximation to the mass of the proton from an equation that relates the angular momentum and mass of a Kerr black hole. More accurate mass and radius values for the proton are then retrodicted using the geometrodynamics form of the full Kerr-Newman solution of the Einstein-Maxwell equations. The radius of an alpha particle is calculated as an additional retrodictive test. In a third retrodictive test of the "strong gravity" hypothesis, the subatomic particle mass spectrum in the 100 MeV to 7,000 MeV range is retrodicted to a first approximation using the Kerr solution of General Relativity. The particle masses appear to form a restricted set of quantized ...
A possible explanation is offered for the longstanding mystery surrounding the meaning of the fin... more A possible explanation is offered for the longstanding mystery surrounding the meaning of the fine structure constant. The reasoning is based on a discrete self-similar cosmological paradigm that has shown promise in explaining the general scaling properties of nature's global hierarchy. The discrete scale invariance of the paradigm implies that "strong gravity" governs gravitational interactions within atomic scale systems. Given the revised gravitational coupling constant and Planck mass, one can demonstrate that the fine structure constant is the ratio of the strengths of the unit electromagnetic interaction and the unit gravitational interaction within atomic scale systems. [Abridged]
Fractals, 2002
Empirical mass estimates for the enigmatic galactic dark matter objects (GDMOs), which account fo... more Empirical mass estimates for the enigmatic galactic dark matter objects (GDMOs), which account for most of the mass of the universe, but remain unidentified, are compared with the definitive predictions of a discrete fractal model of the cosmos. Trends in the reported mass estimates are identified and uncertainties are discussed. Intriguing similarities among various stellar and dark matter mass functions are noted, and a possible identification of the galactic dark matter objects is suggested.
European Journal of Immunology, 1987
Electronic Journal of Theoretical Physics, 2009
Abstract: The general equation governing the mass, spin and angular momentum of a Kerr-Newman bla... more Abstract: The general equation governing the mass, spin and angular momentum of a Kerr-Newman black hole applies equally well to a proton when the gravitational coupling constant predicted by a discrete fractal paradigm is used in the equation, along with the standard mass, spin ...
Arxiv preprint arXiv:1002.1078, 2010
European Journal of Immunology, 1987
The possibility that neural nets might make important contributions to fundamental physics is con... more The possibility that neural nets might make important contributions to fundamental physics is considered.
Over the last 50 years astrophysicists have wondered where all the cosmic rays that pervade the c... more Over the last 50 years astrophysicists have wondered where all the cosmic rays that pervade the cosmos were coming from. Clearly well-known classes of stars and supernovae were contributing their share, but it did not appear to add up to enough, and then there were unexplained ultra-high energy cosmic rays (UHECRs) that cruised intergalactic spaces at nearly the speed of light. It had
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Papers by Robert L. Oldershaw
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