b-meson


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Words related to b-meson

exceedingly short-lived meson

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References in periodicals archive ?
Hamilton et al., "A challenge to lepton universality in B-meson decays," Nature, vol.
Camalich, "Lepton universality violation with lepton flavor conservation in B-meson decays," Journal of High Energy Physics, vol.
Wade, "Exclusive semileptonic B-meson decays," Nuclear Physics B, vol.
Sanda and his collaborators29) who noticed in 1980 the possibility of B-meson mixing with its anti-particle and also the possibility of observing CP violation in B-meson decay within the frame work of the Kobayashi-Maskawa theory well before the discovery of B-meson mixing.
The B-meson mixing can be naturally understood if one thinks of a diagram similar to the one shown in Fig.
(29) However, CP violation manifests itself in a quite different manner in the B-meson case.
Although they came up with a proper formula of the CP violation, their conclusion was that the magnitude of the CP asymmetry would be small due to small [B.sup.0]-[[bar.B].sup.0] mixing (the top quark mass was thought to be much less than 100 GeV at that time) and it would be difficult to measure because of the presumably short life time of B-meson. I.I.
For the study of the time dependent decay rate of B-meson, an interesting approach (35) was proposed.
Because B-mesons decay somewhat like kaons, detailed studies of B-meson behavior could shed light on how well the theories accounting for the asymmetry hold up.
Thus, a close scrutiny of B-meson physics could help validate important parts of the standard model and provide useful hints about the Higgs mechanism, which determines the mass of elementary
But that requires getting funding -- perhaps $100 million to $200 million -- to build machines specially designed to generate B-mesons in sufficient quantity to collect the needed data.
The researchers are examining the process by which B-mesons and anti-B-mesons generate together and decay into other particles.
It will use the electrons and anti-electrons created to build larger particles called B-mesons.