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- W4205952994 abstract "Measurements of various lepton flavor universal observables in $b to, s,l^+ l^-$ transition decays continue to disagree with the standard model expectations. The recent update of $R_K$ measurement from LHCb still indicates $3.1sigma$ deviation from the standard model. Similarly, the measurements of other observables such as $R_{K^*}$, $P_{5}^{prime}$ and $mathcal{B}(B_s, to, phi ,mu^+ ,mu^-)$ continue to show disagreement with standard model predictions. It is well known that there exists a very close relation between $b to, s,l^+ l^-$ and $b to, s,nu bar{nu}$ decays not only in standard model but also in beyond the standard model physics. In beyond the standard model physics these decay processes are related via $SU(2)_L$ gauge symmetry which relates neutrinos to the left handed charged leptons. Moreover, the $B$ decays with $nu bar{nu}$ final state are theoretically cleaner channels than the corresponding $b to, s,l^+ l^-$ neutral transitions as they do not suffer from hadronic uncertainties beyond the form factors such as the non-factorizable corrections and photonic penguin contributions. Hence, we explore $B_s, to, (phi,,eta,,eta^prime) ,nu ,bar{nu}$ decays mediated via $b, to, s, nu,bar{nu}$ transitions using the standard model effective field theory formalism, $Z'$ and scalar and vector leptoquarks new physics models. We give predictions of branching ratio in standard model and in the presence of various new physics couplings." @default.
- W4205952994 created "2022-01-25" @default.
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- W4205952994 date "2022-01-12" @default.
- W4205952994 modified "2023-09-26" @default.
- W4205952994 title "New Physics in $b, to, s, nu,bar{nu}$ decays ?" @default.
- W4205952994 doi "https://doi.org/10.22323/1.398.0496" @default.
- W4205952994 hasPublicationYear "2022" @default.
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