An unusual particle disintegration supports the Standard Model / Diario Libre / MADRID. Two of the experiments of the Large Hadron Collider (LHC) of the European Centre for Nuclear Research (CERN) have revealed a new and unusual decay of a particle type, which is “good agreement” with the predictions of the Standard Model of physics particles 70. The results are published in the journal Nature, and could also open, according to its authors, a window theories beyond the Standard Model, which describes the relationships and interactions of the particles. This is the case of supersymmetry, the theory of particle physics that goes beyond the aforementioned model and could explain the presence of dark matter in the Universe. The other experiment involved in this research is -Solenoide CMS Compact Muon, which seeks, among others, the particles that make up dark matter. For the director general of CERN, Rolf Heuer, this result is an excellent example of cooperation between different experiments and shows the impressive accuracy that can be achieved when combining its measures, according to a press release sent from the National Center for Particle Physics, Astroparticle and Nuclear (CPAN). Specifically, researchers have reported the first observation of a “very unusual” disintegration of a particle called the Bs meson, which is produced only in high-energy collisions of particle accelerators or in nature by cosmic ray interactions. The Bs meson, whose measurement is one of the great challenges of physics, is a very small particle, like the proton, is composed of other smaller called “quarks” (small electrical charges but unlike electron tend to stay glued including through ‘glues’ called gluons). According to Efe he detailed Diego Martinez Santos, a researcher at the University of Santiago de Compostela (NW Spain) and participant in the LHCb experiment, unlike the proton, which has three main quarks, the Bs meson and only has two opposite charges , which “externally” is like a neutral and unstable particle. All components move very quickly and therefore at some point all this “amalgamation” can break leading to other particles, formed in the disintegration. This is true and what is described in this article: the decay of a B meson into two muons, similar to electrons but heavier. The Standard Model predicts that this rare subatomic process occurs four times every billion disintegrations, but had not seen before. Physicists have been looking for evidence of this decay process for over 30 years. The findings, according to Martinez Santos, are “good agreement” with the predictions made by the Standard Model and it is expected that the new LHC experiments allow more precise breakdown of this research. The result also has major implications in the search for new particles. The analysis published in Nature is based on data collected at the LHC in 2011 and 2012.
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