D meson
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D meson
[¦dē ′mā‚sän] (particle physics)
Collective name for four charmed mesons that form two isotopic spin douplets, have masses of approximately 1865 MeV, and are pseudoscalar particles.
Also found in: Dictionary, Wikipedia.
References in periodicals archive
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Rai, "Mass Spectrum and Decay Properties of D Meson," International Journal of Theoretical Physics, vol.
Vinodkumar, "D meson spectroscopy and their decay properties using Martin potential in a relativistic Dirac formalism," The European Physical Journal C, vol.
Rai, "Radiative transitions and the mixing parameters of the D meson," Journal of Physics: Conference Series, vol.
Caption: Figure 3: The current potential of D meson for different states.
In Tables 7 and 8, we have determined the decay constants of the pseudoscalar and vector B and D mesons obtained from (53) and (54) in comparison with the results of other recent works.
In addition, the ratio of decay constants for D mesons is ([mathematical expression not reproducible]).
The Borel transformed QCD sum rules had also been used to study the properties of pseudoscalar D mesons [19] and vector mesons, [rho], [omega], and [phi] [17].
For example, in [18] the mass splitting between pseudoscalar D and [bar.D] mesons was investigated using the even and odd QCD sum rules whereas in [19, 23, 24] the mass-shift of D mesons was investigated under centroid approximation.
In literature the properties of kaons and antikaons, D mesons and charmonium had been studied at finite temperature of the nuclear matter using the above mentioned scalar fields a, [zeta], and [chi] [7, 8, 12, 13, 34].
Mazumdar, "D mesons in asymmetric nuclear matter," Physical Review C, vol.
Mishra, "D mesons and charmonium states in asymmetric nuclear matter at finite temperatures," Physical Review C, vol.
Because the results of the experiments should be available by next summer, some lattice-QCD theorists are rushing to apply their new methods to D mesons and to publish predictions of decay rates and other parameters that the Cornell-based team will measure.
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