Abstract
Electroweak penguin decays are flavour-changing neutral current processes, and are highly suppressed in the Standard Model. They can only proceed via loop diagrams. Such decays may receive contributions from New Physics and change their decay behaviours like decay rate and angular distribution. Studying the properties of these decays thus provides a powerful method to probe for New Physics. In this contribution the most recent LHCb results on electroweak penguin decays are reported.
Highlights
In the Standard Model (SM), electroweak penguin decays, such as the B0 → K∗0μ+μ− decay1, are flavourchanging neutral current (FCNC) processes
Studying the properties of these decays provides a powerful method to probe for New Physics
The LHCb experiment [1] is designed to search for physics beyond the SM through precision study of the beauty and charm hadrons
Summary
In the Standard Model (SM), electroweak penguin decays, such as the B0 → K∗0μ+μ− decay, are flavourchanging neutral current (FCNC) processes. Using data collected in 2011, the LHCb experiment has measured differential branching fraction, and several angular observables of the B0 → K∗0μ+μ− decay [3]. All these measurements are consistent with SM expectations. The LHCb experiment has performed the first measurement [5] of these new angular observables using data collected in 2011. The LHCb experiment has measured the differential branching fraction of the B+ → K+μ+μ−, B0 → K0μ+μ−, and B+ → K∗+μ+μ− decays [9], using all the Run-I data.
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