http://arxiv.org/abs/2006.03974
The dark matter explanation of the 3.5 keV line is strongly disfavored by our work in Dessert et al. 2020. Boyarsky et al. 2020 questions that conclusion: modeling additional background lines is claimed to weaken the limit sufficiently to re-allow a dark matter interpretation. We respond as follows. 1) A more conservative limit is obtained by modeling additional lines; this point appeared in its entirety in our work in Dessert et al., though we also showed that the inclusion of such lines is not necessary. 2) Despite suggestions in Boyarsky et al., even the more conservative limits strongly disfavor a decaying dark matter origin of the 3.5 keV line.
C. Dessert, N. Rodd and B. Safdi
Tue, 9 Jun 20
85/94
Comments: 6 pages, 1 figure, response to technical comment solicited by Science. Full analysis available at this https URL
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