Particle Physics

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May 21, 2013
News Feature
Now that it looks like the hunt for the Higgs boson is over, particles of dark matter are at the top of the physics "Most Wanted" list.
KIPAC theorists (l to r) Louis Strigari, Risa Wechsler and Yao-Yuan Mao discussing dark matter velocity distributions. (Credit: Luis Fernandez.)
January 31, 2013
News Feature
Scientists analyzing data from theScientists analyzing data from the BaBar experiment, which operated at SLAC between 1999 and 2008, recently published the results of a search for signs of invisible particles: exotic bits of matter that interact so weakly with ordinary stuff they left no mark in the BaBar detector.
Image - Cartoon elephant BaBar vanishing in suit.
November 19, 2012
Press Release
Menlo Park, Calif. — Time marches relentlessly forward for you and me; watch a movie in reverse, and you’ll quickly see something is amiss.
Illustration - Big letter "B"s change color to represent transforming B mesons
October 2, 2012
News Feature
The search for dark matter runs deep with physicists Blas Cabrera and Bernard Sadoulet, who have chased this mystery far underground and will be recognized for their work as joint recipients of the 2013 W.K.H. Panofsky Prize in Experimental Particle Physics.
Side by side photos of Blas Cabrera and Bernard Sadoulet
December 14, 2011
News Feature
Spokespersons for CMS and ATLAS, the two biggest experiments at the Large Hadron Collider, announced yesterday that both experiments have found strong hints in their data of something that could be a low-mass Higgs boson – and added that they are well-situated to give a more definitive answer by the end of next year. But, as pointed out by SLAC physicist and ATLAS collaboration member Charlie Young, the salt shaker is still on the table.
Scientists, journalists and others converging at CERN
September 8, 2011
News Feature
Cooks think of watched pots. Handymen grumble about drying paint.
A very clean Knut Skarpaas, SLAC engineer, with half of the equally clean detector (Photo courtesy EXO collaboration.)