X.-D. Xu

activity

20142026

most citedTransition from direct to sequential two-proton decay in

s

d

shell nuclei

16 citations · 54 across the 7 of their papers we have counts for

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astro-ph.SR2014★ 2 cited

Constraint on the cosmic age from the solar $r$ -process abundances

T. H. Heng, X. D. Xu, Z. M. Niu +2

The cosmic age is an important physical quantity in cosmology. Based on the radiometric method, a reliable lower limit of the cosmic age is derived to be $15.68 \pm 1.95$ Gyr by usi…

Constraint on the cosmic age from the solar r-process abundances

Constraint on the cosmic age from the solar $r$ -process abundances