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Precision study of the $\eta \to \mu \mu \gamma$ and $\omega \to \mu + \mu \mu \pi^0$ electromagnetic transition form-factors and of the $\rho \to \mu \mu$ line shape in NA60
The NA60 experiment studied low-mass muon pair production in proton–nucleus (p–A) collisions using a 400 GeV proton beam at the CERN SPS. The low-mass dimuon spectrum is well described by the superposition of the two-body and Dalitz decays of the light neutral mesons η , ρ , ω , η′ and ϕ , and no ev...
Autores principales: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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Lenguaje: | eng |
Publicado: |
2016
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.1016/j.physletb.2016.04.013 http://cds.cern.ch/record/2150004 |