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! Missing $ inserted.
 
                $
l.50 ...ections in the DM mass range 10 GeV to 10^
                                                  5 GeV. In the second half,...

? 
! Emergency stop.
 
                $
l.50 ...ections in the DM mass range 10 GeV to 10^
                                                  5 GeV. In the second half,...

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