The updated LHCb R_K measurement shifts the best-fit new physics in b→sμμ transitions toward smaller C10mu and reduces its uncertainty.
Dynamical projections for the visualization of PDFSense data
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abstract
A recent paper on visualizing the sensitivity of hadronic experiments to nucleon structure [1] introduces the tool PDFSense which defines measures to allow the user to judge the sensitivity of PDF fits to a given experiment. The sensitivity is characterized by high-dimensional data residuals that are visualized in a 3-d subspace of the 10 first principal components or using t-SNE [2]. We show how a tour, a dynamic visualisation of high dimensional data, can extend this tool beyond 3-d relationships. This approach enables resolving structure orthogonal to the 2-d viewing plane used so far, and hence finer tuned assessment of the sensitivity.
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Fitting in or odd one out? Pulls vs residual responses in $b\to s \ell^+\ell^-$
The updated LHCb R_K measurement shifts the best-fit new physics in b→sμμ transitions toward smaller C10mu and reduces its uncertainty.