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Exclusive ωπ0 production with muons⋆

  • Regular Article - Experimental Physics
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Abstract

Using 160GeV muon scattering data collected with the COMPASS experiment at CERN, the exclusive production of ωπ0 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+ b 1(1235) state. Our observation is compared with indications of a \( \rho{^\prime}\)(1250) in annihilation and in γp .

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Authors and Affiliations

  1. Universität München, D-85748, Garching, Germany

    M. Bettinelli & W. Dünnweber

Authors
  1. M. Bettinelli
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  2. W. Dünnweber
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Corresponding author

Correspondence to M. Bettinelli.

Additional information

Hayian Gao

Original article based on material presented at HADRON 2007.

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Bettinelli, M., Dünnweber, W. Exclusive ωπ0 production with muons⋆ . Eur. Phys. J. A 38, 155–158 (2008). https://doi.org/10.1140/epja/i2008-10620-8

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  • DOI: https://doi.org/10.1140/epja/i2008-10620-8

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