Elsevier

Physics Letters B

Volume 180, Issues 1–2, 6 November 1986, Pages 4-8
Physics Letters B

Search for short-lived axions in a nuclear isoscalar transition

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Abstract

Axions, if existing, can cause a strong signal of positron-electron pairs in isoscalar M1 transitions in competition with gamma-ray emission. We searched for such a signal in the 3.59 MeV transition in 10B with a fourfold Mini-Orange spectrometer. No axion events were found within two percent of the prediction for the standard axion- to γ-ray branching ratio.

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  • Cited by (0)

    1

    Present address: NIKHEF-K, P.O. Box 4395, NL-1009 AJ Amsterdam, The Netherlands.

    a

    The authors wish to thank H.P. Blok, P.F.A. Goudsmit, R.H. Siemssen and A.H. Wapstra for valuable discussions. This investigation was supported by the Netherlands Organization for Pure Scientific Research (ZWO) through the Foundation for Fundamental Research on Matter (FOM).

    2

    Energieonderzoek Centrum Nederland (ECN), Petten, The Netherlands.

    3

    Physics Laboratory of the Free University, NL-1081 HV Amsterdam, The Netherlands.

    4

    Jagiellonian University, PL-30059 Cracow 12, Poland.

    5

    Gesellschaft für Schwerionenforschung (GSI), Postfach 110541, D-6100 Darmstadt 11, Fed. Rep. Germany.

    6

    NIKHEF-K, P.O. Box 4395, NL-1009 AJ Amsterdam, The Netherlands.

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