Addicted to Flavour: 1976-2026
Andrzej J. Buras

TL;DR
This paper reviews the evolution of Flavour Physics from 1976 to 2026, emphasizing the importance of precise measurements, theoretical calculations, and innovative strategies to discover new phenomena at very short distance scales.
Contribution
It advocates for a shift from global fits to direct correlations among observables to identify new physics signatures in Flavour Physics.
Findings
Highlights the role of NLO and NNLO QCD calculations in flavour analysis.
Emphasizes the importance of choosing optimal observables for new physics searches.
Proposes strategies beyond global fits for detecting new animalcula in particle physics.
Abstract
I describe my activities in Flavour Physics from 1976 to 2026. However, this 50th anniversary is not the only motivation for this writing. The second reason is the 350th anniversary of the discovery of the first animalcula by van Leeuvanhoek in 1676. Flavour physics makes it possible to search for new animalcula at distance scales far shorter than those resolved by van Leeuwenhoek in 1676 and even shorter than those directly accessible at the Large Hadron Collider. Achieving this goal requires not only precise measurements of a wide variety of processes, but also equally precise theoretical calculations, both within the Standard Model (SM) and beyond it. In this respect, next-to-leading-order (NLO) and next-to-next-to-leading-order (NNLO) QCD calculations of various Wilson coefficients in the SM and beyond it, in which I was involved for two decades, as well as reliable treatments of…
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · High-Energy Particle Collisions Research
