英语翻译Theshapeofthedipcanbeusedfortheenergycalibrationofthedetectors.Shiftingtheenergiesbyafactorλforeachdetectorintheenergyintervalofthedip((1-40)x10^18eV)onecandetermingtheminimumX^2andfromitdeducet

　　英语翻译

　　Theshapeofthedipcanbeusedfortheenergycalibrationofthedetectors.Shiftingtheenergiesbyafactorλforeachdetectorintheenergyintervalofthedip((1-40)x10^18eV)onecandetermingtheminimumX^2andfromitdeducethevalueofλthatbestfitsthedata.Thisprocedureleadstoλ1=0.9,λ2=1.2andλ3=0.75forAGASA,HiResandYakutskdetector,respectively.Itisworthnoticingthattherequiredcorrectionfactorislessthanunityforgroundarraysandexceedsunityforfluorescenceexperiments.Itisimpressivethatafterthisshift(calibrationbythedip)thespectraofthesethreedetectorsagreeverywell(seeFig.3).TheresultshowninFig.3havealreadybeenpresentedbysomeofusatdifferentconferencesstartingfrom2004(seee.g.[36]).RecentlyAGASAcollaboration[37]hasreducedtheenergiesbyabout10%aswepredicted.