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000001005 037__ $$aBELLE2-CONF-PROC-2018-011
000001005 041__ $$aeng
000001005 100__ $$aMario Merola
000001005 245__ $$aMissing Energy B Decays at the Belle II Experiment
000001005 260__ $$a$$c2018-07-04
000001005 300__ $$a8
000001005 520__ $$aThe Belle II experiment at the SuperKEKB collider is a major upgrade of the KEK  "B factory" facility in Tsukuba, Japan. The machine is designed for an instantaneous luminosity of 8 $\times 10^{35}\mathrm{cm^{-2}s^{-1}}$, and the experiment is expected to accumulate  a data sample of about 50 $\mathrm{ab^{-1}}$. 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 the semileptonic and leptonic B meson  decays $B \rightarrow X_{u}\ell\nu$, $B \rightarrow D^{(\star)}\tau \nu$, and $B \rightarrow \ell \nu (\gamma)$,  and the rare process $B \rightarrow K^{(*)} \nu\overline{\nu}$, which provides one of the cleanest  experimental probes of the favour-changing neutral current process $b\rightarrow s \nu \overline{\nu}$. This report discusses the expected sensitivities of Belle II for these decays.
000001005 8560_ $$fmario.merola@desy.de
000001005 8564_ $$uhttps://docs.belle2.org/record/1005/files/BELLE2-CONF-PROC-2018-011.pdf
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000001005 8564_ $$uhttps://docs.belle2.org/record/1005/files/Comments%20from%20Jim.pdf
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000001005 8564_ $$uhttps://docs.belle2.org/record/1005/files/Comments%20from%20Jim.gif?subformat=icon-700$$xicon-700
000001005 8564_ $$uhttps://docs.belle2.org/record/1005/files/Final%20comments.pdf
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000001005 8564_ $$uhttps://docs.belle2.org/record/1005/files/Final%20comments.gif?subformat=icon-700$$xicon-700