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Noun1.b-meson - exceedingly short-lived meson
meson, mesotron - an elementary particle responsible for the forces in the atomic nucleus; a hadron with a baryon number of 0
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The rare B-meson decays play an important role in testing the standard model (SM) and probing possible hints of new physics (NP).
Fumihiko TAKASAKI for "Studies of CP Violation in the B-Meson System"
However Mark is studying another particle known as a B-meson which is produced when protons collide inside the beam.
This has led to an enormous expenditure on so-called B factories, dedicated accelerators devoted to producing high intensity B-meson beams to study CP violation with a view to check predictions of the Standard Model.
He and other B-meson specialists caution, however, that large, overlapping uncertainties spread the three measurements over a wide range that includes 0.
In February, however, physicists at the Fermi National Accelerator Laboratory in Batavia, Ill., announced a strong hint of CP violation in B-meson decays as well (SN: 2/20/99, p.
In 2001, CP violation of B-meson decay was discovered by two experiments: the Belle experiment (1) at KEK and the Babar experiment (2) at SLAC.
In particular, studying the behavior and properties of the several varieties of B-meson, which contain bottom quarks, could shed light on the puzzling relation between matter and anti-matter.
Three particle types - K-mesons and two types of B-mesons had been caught in the act before.