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Invariant-mass distributions for the pp → ppη reaction at Q = 10 MeV

European Physical Journal A, ISSN: 1434-6001, Vol: 43, Issue: 2, Page: 131-136
2010
  • 20
    Citations
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  • 5
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Metrics Details

  • Citations
    20
    • Citation Indexes
      20
  • Captures
    5

Article Description

Proton-proton and proton-η invariant-mass distributions and the total cross-section for the pp → ppη reaction have been determined near the threshold at an excess energy of Q = 10 MeV. The experiment has been conducted using the COSY-11 detector setup and the cooler synchrotron COSY. The determined invariant-mass spectra reveal significant enhancements in the region of low proton-proton relative momenta, similarly as observed previously at higher excess energies of Q = 15.5 MeV and Q = 40 MeV. © 2009 SIF, Springer-Verlag Berlin Heidelberg.

Bibliographic Details

Zielinski, M. J.; Wustner, P.; Silarski, M.; Klaja, J.; Oelert, W.; Czyzykiewicz, R.; Zipper, W.; Moskal, P.; Czerwinski, E.; Wolke, M.; Grzonka, D.; Ritman, J.; Klaja, P.; Kamys, B.; Jarczyk, L.; Sefzick, T.; Siemaszko, M.; Krzemien, W.; Gil, D.; Khoukaz, A.; Taschner, A.; Zdebik, J.; Smyrski, J.

Springer Science and Business Media LLC

Physics and Astronomy

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