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24 April 2014 11:45 am ,
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Major climate data sets have underestimated the rate of global warming in the last 15 years owing largely to poor data...
The tsetse fly is best known as the vector for the trypanosome parasites that cause sleeping sickness and a disease in...
The National Institutes of Health is revising its "two strikes" rule, which allowed researchers only one chance to...
By stabilizing the components of retromers, molecular complexes that act like recycling bins in cells, a recently...
Fossil fuels power modern society by generating heat, but much of that heat is wasted. Semiconductor devices called...
Researchers are gaining insights into what made Supertyphoon Haiyan so powerful and devastating through post-storm...
Millions around the world got a first-hand look at what it was like to be in Tacloban while it was pummeled by...
- 24 April 2014 11:45 am , Vol. 344 , #6182
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Still Looking Like the Higgs
15 November 2012 2:27 pm
Still too soon to know. That's the latest word from particle physicists working with the world's largest atom smasher—Europe's Large Hadron Collider in Switzerland—as they try to figure out whether the particle they discovered in July is precisely the long-sought Higgs boson or something a tad different. The key question is whether the new particle decays into combinations of familiar particles at the rates that physicists' standard model predicts. So far, the measured decay rates generally match expectations, but the statistical uncertainties are too large to say anything conclusive, physicists working with the gargantuan particle detectors known as ATLAS and CMS reported today at a conference in Tokyo. The plots above show the measured decay rates relative to the standard model predictions, so that a value of 1 means agreement. (The vertical line in the CMS plot shows the average of all the measurements.) More data will shrink the error bars and yield a clearer picture.
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