haʊˈɛvɚ mjˈuːɑːnz wˌɪtʃ ɑːɹ tʃˈɑːɹdʒd kæn biː mˈɛʒɚd baɪ ɐn ɐdˈɪʃənəl tɹˈækɪŋ sˈɪstəm aʊtsˈaɪd ðə kˌæloːɹˈɪmᵻɾɚz.
However muons (which are charged) can be measured by an additional tracking system outside the calorimeters.