Collider data hint at unexpected new subatomic particles
Shortage of muons in B meson decay looks suspicious, but needs confirmation
![LHCb experiment](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/04/042017_EC_LHCb_main_free.jpg?fit=860%2C460&ssl=1)
WEIRD DECAYS Something funny may be going on in certain particle decays measured in the LHCb experiment in Geneva (above). A new measurement has now added to scientists’ suspicions.
Maximilien Brice/CERN