Decay study of 20Na and its beta-delayed 16O recoiling.

Details Decay study of 20Na and its beta-delayed 16O recoiling. Decay study of 20Na and its beta-delayed 16O recoiling.

Jun 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997sccha..40..638h&link_type=abstract

Science in China, Series A, Vol. 40, No. 6, p. 638 - 643

Astronomy and Astrophysics

Astrophysics

1

Elementary Particles: Astrophysics

Scientific paper

The decay of 20Na of astrophysical reactions has been studied deeply via 20Ne(p,n)20Na reaction. A new β-delayed α decay with α energy of 5896±6 keV and relative intensity of 0.0024±0.0003 was discovered. At the same time the 16O recoiling in β+-delayed α decay of 20Na was observed in experiment for the first time. From these, it is inferred that a β-delayed low energy α decay of 20Na with energy of ≡780 keV and relative intensity of ≡1.4 was mixed in 16O recoiling. In 16O recoiling and the low energy α decay, the energy loss for low energy charged particles through matter was discussed in detail. At last, two methods for discriminating the β-delayed low energy α decay of 20Na were proposed.

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