Physical review letters
A Continuous Galactic Line Source of Axions: The Remarkable Case of ^{23}Na.
W C Haxton, Xing Liu, Annie McCutcheon, Anupam Ray
Published: 202510.1103/n3v9-2wml
Abstract
We argue that ^{23}Na is a potentially significant source of galactic axions. For temperatures ≳7×10^{8} K-characteristic of carbon burning in the massive progenitors of supernovae and ONeMg white dwarfs-the 440 keV first excited state of ^{23}Na is…
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