10-15 April 2016
UZ Obergurgl
Europe/Zurich timezone

Belle II studies of missing energy decays and searches for dark photon production

14 Apr 2016, 18:20
UZ Obergurgl

UZ Obergurgl

University Center Obergurgl Gaisbergweg 5 6456 Obergurgl Austria
Talk Flavor Physics THU2


Luigi Li Gioi (Max-Planck-Institut fuer Physik (Werner-Heisenberg-Institut) (D)


The Belle II experiment at the SuperKEKB collider is a major upgrade of the KEK B factory in Tsukuba, Japan. The machine is designed for an instantaneous luminosity of $8\times 10^{35}$ cm$^{-2}$s$^{-1}$ and the experiment is expected to accumulate a data sample of about 50 ab$^{-1}$ in 5 years running. With this amount of data, decays sensitive to physics beyond the Standard Model can be studied with unprecedented precision. One promising set of modes are physics processes with missing energy such as $B\to\tau\nu$, $B\to D^{(*)}\tau\nu$ and $B\to K^{(*)}\nu\bar\nu$. The Belle II data also allows searches for the dark photon, the gauge mediator of a hypothetical dark sector, which recently received much attention in the context of dark matter models.

Primary author

Luigi Li Gioi (Max-Planck-Institut fuer Physik (Werner-Heisenberg-Institut) (D)

Presentation Materials

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