Neutrino Masses in Astrophysics View Full Text


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Chapter Info

DATE

1995

AUTHORS

Raj Gandhi

ABSTRACT

The standard model of particle physics (SM) [1] as it stands today can best be described as a highly impressive but crucially incomplete edifice. Many particle physicists would perhaps agree that the most important deficiency is the lack of understanding of the mechanism that provides masses for the quarks and leptons. Although the well-known Higgs mechanism provides a consistent and theoretically acceptable way of parametizing the generation of masses, it raises more questions than it answers. A measure of this is the fact that of the seventeen free parameters that are associated with the SM, the Higgs sector of the theory accounts for fully fifteen. An intriguing aspect of the mass problem is that neutrinos seem to have masses which maybe zero, or perhaps, orders of magnitude smaller than those of quarks or charged leptons. Progress on understanding fermion masses will thus certainly require an understanding of why neutrino masses are so small compared to the other energy scales in the theory. More... »

PAGES

69-86

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/978-94-011-0253-7_7

DOI

http://dx.doi.org/10.1007/978-94-011-0253-7_7

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1012362766


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