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Is the fragmentation of charm quarks into D mesons described by heavy quark effective theory?
Heavy quark effective theory predicts that produced charm quarks have the same probability to fragment into any of the four D mesons with orbital angular momentum L=0: the singlet D state and the triplet D* states. This would imply PV(D*,D)=3/4, where PV is the ratio between directly produced L=0 ve...
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| Lenguaje: | eng |
| Publicado: |
2006
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| Acceso en línea: | https://dx.doi.org/10.1016/j.physletb.2006.10.071 http://cds.cern.ch/record/1047414 |