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Science 18 December 1998:
Vol. 282. no. 5397, pp. 2169 - 2171
DOI: 10.1126/science.282.5397.2169
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News of the Week

PARTICLE PHYSICS:
A Second Hint of Symmetry Violation

James Glanz

Ever since experimenters studying the decay of particles called kaons in 1964 were tantalized by an effect called CP violation, they have been eager to get a second look at it, because this basic asymmetry in physics could explain why the universe contains more matter than antimatter. Now another case of CP violation may finally be showing itself, in particles called B mesons.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)