
TL;DR
This paper discusses how future precision measurements of rare flavor processes could reveal new physics at extremely short distance scales, potentially reaching the Zeptouniverse, by analyzing correlations among observables.
Contribution
It identifies key correlations among flavor observables that can detect new physics contributions at the 20% level, advancing the search for phenomena beyond the Standard Model.
Findings
Correlations between rare decay processes can indicate new physics.
Recent data on B_s,d→μ+μ− and anomalies in B→K(*)μ+μ− are relevant.
Decays like K→πνν̄ and B→μ+μ− are crucial in probing the Zeptouniverse.
Abstract
After the completion of the Standard Model (SM) through the Higgs discovery particle physicists are waiting for the discovery of new particles either directly with the help of the Large Hadron Collider (LHC) or indirectly through quantum fluctuations causing certain rare processes to occur at different rates than predicted by the SM. While the later route is very challenging, requiring very precise theory and experiment, it allows a much higher resolution of short distance scales than it is possible with the help of the LHC. In fact in the coming flavour precision era, in which the accuracy of the measurements of rare processes and of the relevant lattice QCD calculations will be significantly increased, there is a good chance that we may get an insight into the scales as short as 10^{-21} m (Zeptouniverse) corresponding to energy scale of 200 TeV or even shorter distance scales. We…
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