The present Standard Model of Particle Physics (SMPP) is rather a paste-up job, with about two dozen adjustable parameters (masses, mixing angles, etc.) that lack any good theoretical basis, cannot be derived from any more fundamental theory, and must be “put in by hand” to fit experimental results. Therefore, the identification of possible areas of failure of the SMPP is important, because this can serve as a guide to finding the “more fundamental theory” that must be hiding somewhere behind our present theoretical understanding. The SMPP tells us that in our universe there are only four fundamental forces, the short-range

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