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- W1654214925 abstract "The understanding of hadronic matter properties in high density and temperature environment is necessary for interpreting relativistic heavy ion collision data. Accordingly the bound state of a bottom and acharm quark B c is of great theoretical and experimental importance. We have calculated the spectrum of this meson in Bethe-Salpeter model using two reductions. The ground state mass and decay lifetime of B c predicted by this model are found in excellent agreement with the experimental values observed at Fermi Lab. We evaluate the mass of the pseudo-scalar B c meson as 6.356 GeV/c 2 and 6.380 GeV/c 2 and the lifetime as 0.47 ps and 0.46 ps respectively in the two reductions ‚ in good agreement with the recently reported mass of 6.40 ± 0.39 (stat.) ± 0.13 (syst.) GeV/c 2 and lifetime of 0.46 −0.16 +0.18 (stat.) ± 0.03 (syst.) ps by the CDF Collaboration. We evaluate the decay constant of the B c meson and compare different contributions to its decay width." @default.
- W1654214925 created "2016-06-24" @default.
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- W1654214925 date "2000-01-01" @default.
- W1654214925 modified "2023-10-12" @default.
- W1654214925 title "Spectroscopy and Liftime of Mesons with Bottom and Charm Quarks" @default.
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- W1654214925 doi "https://doi.org/10.1007/978-3-7091-6287-3_38" @default.
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