%AGershtein, Yuri%AKnapen, Simon%ARedigolo, Diego%BJournal Name: Physics Letters B; Journal Volume: 823; Journal Issue: C %D2021%I %JJournal Name: Physics Letters B; Journal Volume: 823; Journal Issue: C %K %MOSTI ID: 10333110 %PMedium: X %TProbing naturally light singlets with a displaced vertex trigger %X %0Journal Article