山宇宙線共同実験

チャカルタヤ山宇宙線共同実験玉田雅宣（近畿大學(xué)）本田建（山梨大學(xué)）他ＣｈａｃａｌｔａｙａＣｏｌｌａｂｏｒａｔｏｒM.Tamada5,K.Honda1,N.Ohmori3,K.Shinozaki4,N.Inoue4,N.Kawasumi2,N.Ochi,K.Hashimoto2,I.Tsushima2,A.Ohsawa6,H.Aoki7,K.Yokoi8,T.Matano9,N.Martinic10,R.Ticona10,C.Aguirre10

[1]FacultyofEngineering,YamanashiUniversity,Kofu,400-8511,Japan

[2]FacultyofEducation,YamanashiUniversity,Kofu,400-8510,Japan

[3]FacultyofScience,KochiUniversity,780-8520,Japan

[4]FacultyofScience,SaitamaUniversity,388-8570,Japan

[5]FacultyofScienceandTechnology,KinkiUniversity,577-8520,Japan

[6]InstituteforCosmicRayResearch,UniversityTokyo,277-8582,Japan

[7]FacultyofScience,SoukaUniversity,192-8577,Japan

[8]CollegeofscienceandEngineering,AoyamaGakuinUniversity,157-8572,Japan

[9]Shibakubo-cho3-28-10,Tanashi,188-0014Japan

[10]InstitutedeInvestigacionesFisicasUniversidadMayordeSanAndres,BoliviaCollaborator??atmosphericfamilyatmosphericfamily(A-jets)Eg,RgEh(g),RhFamilyintensity?protondominantmodel

[p(42%),He(17%),CNO(14%),heavy(14%),Fe(13%)atE0=1015eV]?allparticlesspectrum=EASdata(Tibet,Akeno)QGSJETwithEASsp.gives3~4timeslargerintensity.Violentenergydissipation!??protondominantmodel

[p(42%),He(17%),CNO(14%),heavy(14%),Fe(13%)atE0=1015eV]?allparticlesspectrum=RUNJOBdataQGSJETwithRUNJOBsp.describeswell.HybridexperimentAir-showerarray

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EmulsionchamberEAS-arrayHadronCalorimeterChacaltayahybridexperiment

(Chacaltaya,5200m)10m8m2KASCADET.Antonietal.J.Phys.G27(2001)1785,CERNCOURIER42-6(2002)hadroncomponentinEASChacaltaya

ESarray+EM;A.Aguirreetal.PRD62(2000)032003ModelsfailtodescribehadronnumberinEAS.strongviolationofFeynmanscalinglaw!?EmulsionchamberEAS-arrayHADRON-M

(Tien-Shan,3340m)10mAS-arrayBurstdetectorEmulsionchamberTibetASg

(Yangbajing,4300m)EAStriggeredfamilyviolentenergydissipationStrongviolationofFeynmanscalinglawatE0≥1016eV!?Fe(TibetHD-model)Proton(TibetHD-model)Allparticles:Tibet>RUNJOBProtons,He:Tibet~RUNJOBHeavy:Tibet>RUNJOBDiscrepancyisduetostatisticalfluctuation??Tibet:PRD62(2000)112002Proc.ICRC2001,148RUNJOB:Astrop.Phys.16(2001)13TibetdataChangesofprimarycompositionalonesolvethediscrepanciesbetweenexperimentaldataandmodelprediction(Tibetgroup)??

Thereseemsnopossibility.Cosmic-raynuclearinteractionatE0=1015~1017eVisstillfarfromfullunderstanding.Changesofnuclearinteractionarenecessary.Severeenergydissipationetc.(StrongvilationofFeynmanScalinglaw)Roleofexotics?10131014101910181017101610151020SppSTevatronLHCC-jetsfamiliesEASbeyondGKZ‘halo’familieswithEASdataQGSJETOK!!QGSJETOK???mildviolationofFeynmanscalinglawstrongviolationofFeynmanscalinglaw?unexplained(exotic)eventsE0(eV)emulsionchamber+AirShowerarrayemulsionchamberAirShowerarray?futureprospectATHLETmeasurementofemulsionchamberdataisverytimeconsumingsemi-automaticmeas