The plot is thickening for the still-hidden Higgs boson. Two US-based experiments report new, hopeful hints of the slippery particle, but one of the two main detectors at the Large Hadron Collider (LHC) says an existing signal has started to fade away.
The announcements, all made today at the Recontres de Moriond meeting in La Thuile, Italy, come from the four experiments that stand the best chance of finding the Higgs: CDF and Dzero, based at the now-defunct Tevatron particle collider in Batavia, Illinois; and ATLAS and CMS, based at the LHC at CERN in Geneva, Switzerland. Together they dim our understanding of what the true mass of the Higgs is – if it exists at all.
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