Phenomenology 2022 Symposium: From Virtual to Real

Probing B-Anomalies via Dimuon Tails at a Future Collider

10 May 2022, 16:45

15m

Lawrence Hall 105

BSM IV

Speaker

Sandra Kvedaraite

Description

In this talk we investigate the sensitivity of future proton-proton colliders to a contact interaction of the form $1/{\mathrm{\Lambda }}^2({\overline{b}}_L{\gamma }_{\mu }{s}_L)({\overline{\mu }}_L{\gamma }^{\mu }{\mu }_L)$ as indicated by the long-standing rare $B$-decay anomalies. We include NLO QCD and electroweak effects and employ an optimized binning scheme, and carefully validate our background calculation against ATLAS and CMS data.We find that the FCC-hh with $40$ ab${}^{-1}$ of luminosity is able to exclude scales $\mathrm{\Lambda }$ up to 26 TeV at $95\mathrm{\%}$ CL, and discover $\mathrm{\Lambda }$ up to 20 TeV. While this is not quite enough to exclude or discover the current best-fit value of $39$ TeV, this can in principle be achieved with more luminosity and/or higher energy, as we study quantitatively. Our analysis is conservative in that it assumes only a $\overline{b}s\mu \mu$ contact interaction.

Presentation materials

Future Collider Talk.pdf

Future Collider Talk.pdf