News From the Field
Particle Oddball Surprises CDF Physicists at Fermilab
March 18, 2009
Scientists of the Collider Detector at Fermilab (CDF) experiment at the Department of Energy's Fermilab announced on, March 17, that they have found evidence of an unexpected particle whose curious characteristics may reveal new ways that quarks can combine to form matter. The CDF physicists have called the particle Y(4140), reflecting its measured mass of 4140 Mega-electron volts.
DOE/Fermi National Accelerator Laboratory
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