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High Energy Physics - Phenomenology

arXiv:2308.11612 (hep-ph)
[Submitted on 22 Aug 2023]

Title:Flavor physics beyond the Standard Model and the Kobayashi-Maskawa legacy

Authors:Gino Isidori
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Abstract:The Kobayashi-Maskawa (KM) hypothesis about the existence of a third generation of quarks represents a cornerstone of the Standard Model (SM). Fifty years after this seminal paper, flavor physics continues to represent a privileged observatory on physics occurring at high energy scales. In this paper I first review this statement using general effective-theory arguments, highlighting some interesting modern lessons from the KM paper. I then discuss some novel extensions of the SM based on the concept of flavor deconstruction: the hypothesis that gauge interactions are manifestly flavor non universal in the ultraviolet. The phenomenological consequences of this class of models are also briefly illustrated.
Comments: 17 pages, based on the talk given at the KM50 Symposium (KEK, February 2023)
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:2308.11612 [hep-ph]
  (or arXiv:2308.11612v1 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.2308.11612

Submission history

From: Gino Isidori [view email]
[v1] Tue, 22 Aug 2023 17:56:12 UTC (1,001 KB)
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