b-meson


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Words related to b-meson

exceedingly short-lived meson

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The Upsilon (4S) resonance decays to a B-meson and anti-B-meson pair without accompanying any hadrons or energetic photons.
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.
Sanda (34) revisited their study after the discovery of the long life time of B-meson in 1983 but their conclusion was again that "CP violation induced by the [B.
For the study of the time dependent decay rate of B-meson, an interesting approach (35) was proposed.
As is described later, this special scheme of B-meson creation can be realized by the asymmetric energy collision of an electron and a positron35) in which an Upsilon(4S) resonance can be produced with some momentum and subsequently decays to B-mesons.
Asymmetric energy electron-positron collider for B-meson studies (35)
A schematic image of B-meson pair production by asymmetric energy collision is given in Fig.
The primary goal of the proposals was to observe CP violation in B-meson decays given the magnitude of CP violation expected from available experimental information and assumptions.
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.