Francois Englert and Peter W. Higgs won the 2013 Nobel Prize For Physics on Tuesday for their research into the Higgs boson particle, nicknamed the "God particle."
The award is given annually for the most important discovery or invention within the field of physics.
Englert, a Belgian theoretical physicist, and Higgs, a British physicist, earned the prestigious prize for "the theoretical discovery of a mechanism that contributes to our understanding of the origin of mass subatomic particles" which was confirmed through the discovery of the predicted fundamental particle by the ATLAS and CMS experiments at CERN's Large Hadron Collider, the Nobel Prize Twitter feed reported.
In the 1960s, Higgs and Englert theorized the existence of the particle to explain why matter has mass. Decades would pass before scientists at CERN, the Geneva-based European Organization for Nuclear Research, were able to confirm its existence. The European particle physics laboratory announced the confirmation in July of last year, The Associated Press reported.
More from the AP:
STOCKHOLM (AP) — Physicists Francois Englert of Belgium and Peter Higgs of Britain won the 2013 Nobel Prize in physics on Tuesday for their theoretical discoveries on how subatomic particles acquire mass.
Their theories were confirmed last year by the discovery of the so-called Higgs particle, also known as the Higgs boson, at a laboratory in Geneva, the Royal Swedish Academy of Sciences said.
The announcement, which was widely expected, was delayed by one hour, which is highly unusual. The academy gave no immediate reason, other than saying on Twitter that it was "still in session" at the original announcement time.
The academy decides the winners in a majority vote on the day of the announcement.
"I am overwhelmed to receive this award and thank the Royal Swedish Academy," Higgs said in a statement released by the University of Edinburgh.
"I hope this recognition of fundamental science will help raise awareness of the value of blue-sky research."
Englert and Higgs theorized about the existence of the particle in the 1960s to provide an answer to a riddle: why matter has mass. The tiny particle, they believed, acts like molasses on snow — causing other basic building blocks of nature to stick together, slow down and form atoms.
But decades would pass before scientists at CERN, the Geneva-based European Organization for Nuclear Research, were able to confirm its existence. The European particle physics laboratory announced the news in July of last year.
Finding the particle — often referred to as the "God particle" — required teams of thousands of scientists and mountains of data from trillions of colliding protons in the world's biggest atom smasher — CERN's Large Hadron Collider — which produces energies simulating those 1 trillionth to 2 trillionths of a second after the Big Bang.
The collider cost $10 billion to build and run in a 17-mile (27-kilometer) tunnel beneath the Swiss-French border.
Only about one collision per trillion will produce one of the Higgs bosons in the collider, and it took CERN some time after the discovery of a new "Higgs-like" boson to decide that the particle was, in fact, very much like the Higgs boson expected in the original formulation, rather than a kind of variant.
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