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Also, limits of Lorentz invariance violations from the ultra-high-energy cosmic ray spectrum are much weaker if you take into account the possibility that some of them are heavier nuclei rather than protons, as various lines of evidence suggest. There are very few solid conclusions we can draw from the experimental data we have.
The LW software thinks the comma is part of the URL. Try escaping it with a backslash.
Also, limits of Lorentz invariance violations from the ultra-high-energy cosmic ray spectrum are much weaker if you take into account the possibility that some of them are heavier nuclei rather than protons, as various lines of evidence suggest. There are very few solid conclusions we can draw from the experimental data we have.
(This is what I am working on, BTW!)