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20072023
most citedObservation of the suppression of the flux of cosmic rays above 4x10^19eV

635 citations · 1.2k across the 8 of their papers we have counts for

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hep-ex2008★ 4 cited

First Observation of the Cabibbo-suppressed Decays Xi_c+ -> Sigma+ pi- pi+ and Xi_c+ -> Sigma- pi+ pi+ and Measurement of their Branching Ratios

SELEX Collaboration, E. Vazquez-Jauregui, J. Engelfried

We report the first observation of two Cabibbo-suppressed decay modes, Xi_c+ -> Sigma+ pi- pi+ and Xi_c+ -> Sigma- pi+ pi+. We observe 59+/-14 over a background of 87, and 22+/-8 o…