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File picture of British physicist Higgs talking with Belgium physicist Englert

File picture of British physicist Peter Higgs (R) talking with Belgium physicist Francois Englert before a news conference on the search for the Higgs boson at the European Organization for Nuclear Research (CERN) in Meyrin near Geneva July 4, 2012. Britain's Peter Higgs and Belgium's Francois Englert won the 2013 Nobel prize for physics for predicting the existence of the Higgs boson - the particle key to explaining why elementary matter has mass - the award-giving body said October 8, 2013. Picture taken July 12, 2012. REUTERS/Denis Balibouse/Files (SWITZERLAND - Tags: SCIENCE TECHNOLOGY TPX IMAGES OF THE DAY)

Englert and Higgs win Nobel physics prize

Physicists Francois Englert of Belgium and Peter Higgs of Britain have won the 2013 Nobel Prize in physics.

The Royal Swedish Academy of Sciences cited the two scientists for the "theoretical discovery of a mechanism that contributes to our understanding of the origin of mass of subatomic particles." (AP)