Limits on axions from nuclear decays

A. L. Hallin, Frank Calaprice, R. W. Dunford, A. B. McDonald, G. C. Paulson

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Recent heavy ion experiments at GSI have releaved anomalous electron-positron coincidences. The anomalous events seem to come from something that decays into a two-body final state. It has been proposed that a 1.8 MeV axion could explain the data. However, both conventional axion theory and more recent variants are inconsistent with existing measurements of electron-positron angular correlations in nuclei. Beam dump experiments also exclude the axion theories. We discuss the old data and new measurements in terms of the axion theory and a more general particle explanation for the GSI result.

Original languageEnglish (US)
Pages (from-to)276-279
Number of pages4
JournalNuclear Inst. and Methods in Physics Research, B
Volume24-25
Issue numberPART 1
DOIs
StatePublished - Apr 3 1987

Fingerprint

Positrons
positrons
Electrons
decay
Heavy ions
angular correlation
heavy ions
electrons
Experiments
nuclei

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Instrumentation

Cite this

Hallin, A. L., Calaprice, F., Dunford, R. W., McDonald, A. B., & Paulson, G. C. (1987). Limits on axions from nuclear decays. Nuclear Inst. and Methods in Physics Research, B, 24-25(PART 1), 276-279. https://doi.org/10.1016/0168-583X(87)90641-0
Hallin, A. L. ; Calaprice, Frank ; Dunford, R. W. ; McDonald, A. B. ; Paulson, G. C. / Limits on axions from nuclear decays. In: Nuclear Inst. and Methods in Physics Research, B. 1987 ; Vol. 24-25, No. PART 1. pp. 276-279.
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Hallin, AL, Calaprice, F, Dunford, RW, McDonald, AB & Paulson, GC 1987, 'Limits on axions from nuclear decays', Nuclear Inst. and Methods in Physics Research, B, vol. 24-25, no. PART 1, pp. 276-279. https://doi.org/10.1016/0168-583X(87)90641-0

Limits on axions from nuclear decays. / Hallin, A. L.; Calaprice, Frank; Dunford, R. W.; McDonald, A. B.; Paulson, G. C.

In: Nuclear Inst. and Methods in Physics Research, B, Vol. 24-25, No. PART 1, 03.04.1987, p. 276-279.

Research output: Contribution to journalArticle

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Hallin AL, Calaprice F, Dunford RW, McDonald AB, Paulson GC. Limits on axions from nuclear decays. Nuclear Inst. and Methods in Physics Research, B. 1987 Apr 3;24-25(PART 1):276-279. https://doi.org/10.1016/0168-583X(87)90641-0