Search for the Radiative Capture d+d->4He+γReaction from the ddμMuonic Molecule State
L. N. Bogdanova, V. R. Bom, D. L. Demin, C. W. E. van Eijk, V. V. Filchenkov, N. N. Grafov, V. G. Grebinnik, K. I. Gritsaj, A. D. Konin, A. V. Kuryakin, V. A. Nazarov, V. V. Perevozchikov, A. I. Rudenko, S. M. Sadetsky, Yu. I. Vinogradov, A. A. Yukhimchuk, S. A. Yukhimchuk, V. G. Zinov, S. V. Zlatoustovskii
Abstract
A search for the muon catalyzed fusion reaction dd --> 4He +γin the ddμmuonic molecule was performed using the experimental μCF installation TRITON and NaI(Tl) detectors for γ-quanta. The high pressure target filled with deuterium at temperatures from 85 K to 800 K was exposed to the negative muon beam of the JINR phasotron to detect γ-quanta with energy 23.8 MeV. The first experimental estimation for the yield of the radiative deuteron capture from the ddμstate J=1 was obtained at the level nγ≤ 2× 10-5 per one fusion.
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