[PDF Warning] The Dawn of the Post-Naturalness Era
In an imaginary conversation with Guido Altarelli, I express my views on the status of particle physics beyond the standard Model and its future prospects.
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Naturalness and the Standard Model
What do particle physicists and string theorists mean when they refer to a particular array of particles and forces as “natural”? They don’t mean “part of nature”. Everything in the universe is part of nature, by definition.
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