Factbox - A look at the 2013 Nobel Physics Prize

LONDON (Reuters) - Here is a look at the 2013 Nobel Prize for Physics, which was awarded jointly on Tuesday to Peter Higgs, a British physicist who proposed the existence of the boson nearly 50 years ago, and Belgium's Francois Englert:

- The award to Higgs and Englert was for the theoretical discovery of a mechanism that contributes to our understanding of the origin of mass of subatomic particles, and which recently was confirmed through the discovery of the predicted fundamental particle, by the ATLAS and CMS experiments at CERN's Large Hadron Collider.