After 20 years of analysis, a particle has been noticed which, when decaying, provides rise to a neutrino and an anti-neutrino, two actual ‘ghosts’ which are nearly unimaginable to know, and now this consequence may result in new surprises in physics. “It might be an indication of one thing new or it may merely be a statistical fluctuation: extra information will probably be wanted to search out a solution to this query,” says Claudia Cecchi, professor of the Division of Physics and Geology on the College of Perugia, researcher related to the Institute nationwide workforce of Nuclear Physics and chargeable for the native Belle II group, the experiment that produced the consequence.
Performed in Japan on the Kek laboratory, the Belle II experiment is performed by a big worldwide collaboration, during which Italy collaborates considerably with the Infn, and has obtained the primary proof of the decay of the charged B meson, a composed of a magnificence quark and an antiquark. The result’s on-line on the arXiv platform and is being revealed within the journal Bodily Evaluate D. The consequence, observes the Infn on its web site, “speaks very Italian as a result of the info evaluation was performed by the group of the Perugia part of the ‘Infn, in collaboration with German teams from the Package and Desy laboratories, with the French from the Cnrs of Strasbourg and with the Kek. The frequency at which the decay was noticed “is greater than we anticipated to measure,” notes Cecchi. However earlier than drawing any conclusions, new analyzes will probably be wanted.
Definitely, having the ability to observe the decay was an incredible consequence as a result of “neutrinos are the ‘ghost particles’ of the universe. They exist in abundance, however – notes the Infn – they work together nearly in any respect with the remainder of matter. They depart no traces, they don’t deposit vitality, they aren’t affected by the magnetic area. Which means that neutrinos are successfully not detectable within the Belle II experiment, depriving researchers of precious data to determine the decay they’re searching for.” Consequently, the one clue is “the shortage of a small quantity of vitality from the entire stability of the collision as an oblique indication of the presence of neutrinos”.
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