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"exec" writes:

Neutrinos and antineutrinos, sometimes called ghost particles because [they are so] difficult to detect, can transform from one type to another. The international T2K Collaboration announces a first indication that the dominance of matter over antimatter may originate from the fact that neutrinos and antineutrinos behave differently during those oscillations. This is an important milestone towards the understanding of our Universe. A team of particle physicists from the University of Bern provided important contributions to the experiment.

The Universe is primarily made of matter and the apparent lack of antimatter is one of the most intriguing questions of today's science. The T2K collaboration, with participation of the group of the University of Bern, announced today in a colloquium held at the High Energy Accelerator Research Organization (KEK) in Tsukuba, Japan, that it found indication that the symmetry between matter and antimatter (so called "CP-Symmetry") is violated for neutrinos with 95% probability.

http://www.unibe.ch/news/media_news/media_relations_e/media_releases/2017_e/media_releases_2017/possible_explanation_for_the_dominance_of_matter_over_antimatter_in_the_universe/index_eng.html

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