Exclusive $ ωπ^{0} $ production with $ muons^{⋆} $
Abstract Using 160GeV muon scattering data collected with the COMPASS experiment at CERN, the exclusive production of $ ωπ^{0} $ via virtual photons was studied. Selective population of a peak around 1250MeV is observed. Possible contributions from spin-parity $ 1^{-} $ are searched for, inspecting...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Bettinelli, M. [verfasserIn] |
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Artikel |
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Englisch |
| Erschienen: |
2008 |
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| Anmerkung: |
© SIF, Springer-Verlag Berlin Heidelberg 2008 |
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| Übergeordnetes Werk: |
Enthalten in: The European physical journal / A - Springer-Verlag, 1998, 38(2008), 2 vom: 18. Juli, Seite 155-158 |
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| Übergeordnetes Werk: |
volume:38 ; year:2008 ; number:2 ; day:18 ; month:07 ; pages:155-158 |
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| DOI / URN: |
10.1140/epja/i2008-10620-8 |
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Abstract Using 160GeV muon scattering data collected with the COMPASS experiment at CERN, the exclusive production of $ ωπ^{0} $ via virtual photons was studied. Selective population of a peak around 1250MeV is observed. Possible contributions from spin-parity $ 1^{-} $ are searched for, inspecting decay angular correlations. In particular, the orientation of the ω decay plane may allow a distinction from the $ 1^{+} $b1(1235) state. Our observation is compared with indications of a $ \rho{^\prime}$(1250) in annihilation and in γp . © SIF, Springer-Verlag Berlin Heidelberg 2008 |
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Abstract Using 160GeV muon scattering data collected with the COMPASS experiment at CERN, the exclusive production of $ ωπ^{0} $ via virtual photons was studied. Selective population of a peak around 1250MeV is observed. Possible contributions from spin-parity $ 1^{-} $ are searched for, inspecting decay angular correlations. In particular, the orientation of the ω decay plane may allow a distinction from the $ 1^{+} $b1(1235) state. Our observation is compared with indications of a $ \rho{^\prime}$(1250) in annihilation and in γp . © SIF, Springer-Verlag Berlin Heidelberg 2008 |
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Abstract Using 160GeV muon scattering data collected with the COMPASS experiment at CERN, the exclusive production of $ ωπ^{0} $ via virtual photons was studied. Selective population of a peak around 1250MeV is observed. Possible contributions from spin-parity $ 1^{-} $ are searched for, inspecting decay angular correlations. In particular, the orientation of the ω decay plane may allow a distinction from the $ 1^{+} $b1(1235) state. Our observation is compared with indications of a $ \rho{^\prime}$(1250) in annihilation and in γp . © SIF, Springer-Verlag Berlin Heidelberg 2008 |
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Exclusive $ ωπ^{0} $ production with $ muons^{⋆} $ |
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