7/22/2013

A rare-particle transformation observed by physicists working on the Large Hadron Collider at CERN in Switzerland could be discouraging for researchers seeking signs of supersymmetry, which posits that all particles have a heavier partner. The physicists at CERN confirmed they saw a Bs meson particle decay into two muons. Many supersymmetric models predict a higher rate of decay.

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New Scientist

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