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Observation of He-like satellite lines of the H-like potassium K XIX emission

Abstract:

We present measurements of the H-like potassium (K xix) X-ray spectrum and its He-like (K xviii) satellite lines, which are situated in the wavelength region between 3.34 and 3.39 Å, which has been of interest for the detection of dark matter. The measurements were taken with a high-resolution X-ray spectrometer from targets irradiated by a long-pulse (2 ns) beam from the Orion laser facility. We obtain experimental wavelength values of dielectronic recombination satellite lines and show that...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.3847/1538-4357/ab2dff

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Publisher:
American Astronomical Society
Journal:
Astrophysical Journal More from this journal
Volume:
881
Issue:
2
Article number:
92
Publication date:
2019-08-16
Acceptance date:
2019-07-01
DOI:
EISSN:
1538-4357
ISSN:
0004-637X
Keywords:
Pubs id:
pubs:1033599
UUID:
uuid:fca10302-bb20-4ac7-8fbf-f2813c66aa07
Local pid:
pubs:1033599
Source identifiers:
1033599
Deposit date:
2019-07-19

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