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SUMMARY:Nico Gubernari  - Probing the Standard Model with rare B-Meson Dec
 ays - Nico Gubernari
DTSTART:20230512T150000Z
DTEND:20230512T160000Z
UID:TALK199795@talks.cam.ac.uk
CONTACT:Rene Poncelet
DESCRIPTION:Zoom: https://maths-cam-ac-uk.zoom.us/j/95336793441?pwd=U2V6aH
 J6RllROVBtYy9VZlFnVlhYZz09\nMeeting ID: 953 3679 3441\nPasscode: 888178\n\
 n\nAbstract:\n\nRare B-meson decays are powerful probes to test the Standa
 rd Model (SM). Recent measurements of several observables in $b\\to s \\mu
 \\mu$ transitions have shown tensions with the corresponding SM prediction
 s. These tensions (together with other tensions not mentioned here) are ca
 lled B-anomalies.  \nI provide improved SM predictions for the exclusive r
 are processes $B \\to K^{(∗)}\\mu\\mu$ and $B_s \\to \\phi \\mu\\mu$. My
  predictions have\, for the first time\, controllable systematic uncertain
 ties due to the usage of a dispersive bound. Comparing my predictions with
 in the SM to available experimental data\, I find a large tension for $B \
 \to K\\mu\\mu$. A model-independent analysis of potential effects beyond t
 he SM yields results compatible with other approaches\, which suggests the
  existence of new physics short-distance contributions.
LOCATION:Potter Room (B1.19)
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