Comment on "First Observation of Ground State Dineutron Decay: 16Be"

Abstract : A recent measurement [Spyrou et al., PRL 108, 102501 (2012)] of the in-flight decay of 16Be into 14Be+n+n has been interpreted as the first case of dineutron emission. Here we point out that the inclusion of the n-n interaction neglected in the description of the direct three-body decay can generate strong enhancements at low n-n relative energy and angle, as observed, without any need to invoke dineutron decay.
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Submitted on : Wednesday, February 6, 2013 - 11:20:00 AM
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F.M. Marqués, N.A. Orr, N.L. Achouri, F. Delaunay, J. Gibelin. Comment on "First Observation of Ground State Dineutron Decay: 16Be". Physical Review Letters, American Physical Society, 2012, 109, pp.239201. ⟨10.1103/PhysRevLett.109.239201⟩. ⟨in2p3-00785471⟩

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