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Contribution to a conference proceedings/Internal Report | PUBDB-2016-01090 |
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2011
Deutsches Elektronen-Synchrotron, DESY
Hamburg
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Please use a persistent id in citations: doi:10.3204/DESY-PROC-2011-04/unzhakov_evgeniy
Report No.: DESY-PROC-2011-04
Abstract: A search for resonant absorption of solar axions by $^{57}$Fe and $^{169}$Tm targets was performed. The Si(Li) detector placed inside a low-background setup was used to detect the $\gamma$-quanta appearing from the de-excitation of the low-lying nuclear levels of $^{57}$Fe and $^{169}$Tm (14.4 keV and 8.41 keV correspondingly): $A+N_{target} \rightarrow N^*_{target}+\gamma$. The obtained data allowed us to set the new upper limits on the axion mass value: $m_A \leq 145$ eV at 95\% c.l.
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