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

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arxiv 1204.5946 v2 pith:WCZYC4PC submitted 2012-04-26 nucl-ex nucl-th

classification nucl-exnucl-th
keywords decaydineutronfirstanglebeencasecommentdescription
verification ladder T0 review T1 audit T2 compute T3 formal
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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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