Physicists believe that the boson and its energy field were essential in the beginning of the universe after Big Bang. The particle and the field called Higgs who predicted their existence 50 years ago, are the last major missing elements for Standard Model of cosmos. It was spotted last summer, but held back from the saying what it was. It remains a question whether this is the Higgs boson of the Standard Model up to this day. Scientists also has done a lot of experiments using subterranean collider, particle accelerator etc.
Discovery of the faster-than-light particle called neutrino astonished the world 2 years ago. However, it was proved to be an experimental error. This time, it is the Higgs boson! Development of the science appears to my eyes! I hope that physics is approaching completion, because I don't want to learn and memorize more physical facts.
Rovert Evans. Strong signs Higgs boson has been found : CERN. Reuters. Thu Mar 14, 2013.
http://www.reuters.com/article/2013/03/14/us-science-higgs-idUSBRE9270XW20130314
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