Observation of the charge symmetry breaking d + d → 4He + π0 reaction near threshold

E. J. Stephenson, A. D. Bacher, C. E. Allgower, A. Gårdestig, C. M. Lavelle, G. A. Miller, H. Nann, J. Olmsted, P. V. Pancella, M. A. Pickar, J. Rapaport, T. Rinckel, A. Smith, H. M. Spinka, U. Van Kolck

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72 Scopus citations

Abstract

The first unambiguous measurement of the d+d→4He+π0 cross section as well as that for the competing double radiative capture process was carried out. Preliminary plane wave calculations indicate that π0-η mixing is important. Furthermore, estimates showed that electromagnetic effects are very small.

Original languageEnglish (US)
Pages (from-to)142302/1-142302/4
JournalPhysical review letters
Volume91
Issue number14
StatePublished - Oct 3 2003

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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