Evaluation of the 1077keV gamma-ray emission probability from 68Ga decay

G.C.Chen; L.Y.Jiang; X.J.Chen; X.L.Huang

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Evaluation of the 1077keV gamma-ray emission probability from 68Ga decay

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arxiv 1309.7722 v1 pith:IO7WBA3S submitted 2013-09-30 nucl-ex hep-ex

X.L.Huang , L.Y.Jiang , X.J.Chen , G.C.Chen This is my paper · ORCID

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68Ga decays to the excited states of 68Zn through the electron capture decay mode. New recommended values for the emission probability of 1077keV gamma-ray given by the ENSDF and DDEP databases all use data from absolute measurements. In 2011 Jiang Liyang deduced a new value for 1077keV gamma-ray emission probability by measuring the 69Ga(n,2n)68Ga reaction cross section. The new value is about 20% lower than values obtained from previous absolute measurements and evaluations. In this paper, the discrepancies among the measurements and evaluations are analyzed carefully and the new values are re-recommended. Our recommended value for the emission probability of 1077keV gamma-ray is 2.72+-0.16 %.

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