Illustration

B to D-Star-Tau-Nu

Concept Art: B to D-Star-Tau-Nu

The latest results from the BaBar experiment may suggest a surplus over Standard Model predictions of a type of particle decay called “B to D-star-tau-nu.” In this conceptual art, an electron and positron collide, resulting in a B meson (not shown) and an antimatter B-bar meson, which then decays into a D meson and a tau lepton as well as a smaller antineutrino.

Greg Stewart/SLAC National Accelerator Laboratory

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Menlo Park, Calif. — Recently analyzed data from the BaBar experiment may suggest possible flaws in the Standard Model of particle physics, the reigning description of how the universe works on subatomic scales.

Concept Art: B to D-Star-Tau-Nu
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Concept Art: B to D-Star-Tau-Nu
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