23063.甚高能伽瑪源耀變現(xiàn)象的觀測研究

1、中國科學(xué)院研究生院博士學(xué)位論文甚高能伽瑪源耀變現(xiàn)象的觀測研究姓名：陳垚申請學(xué)位級別：博士專業(yè)：粒子物理與原子核物理指導(dǎo)教師：曹臻；查敏201205AbstractVeryHighEnergy(VHE)gammarayastronomyplaysanimportantroleinCOS—micrayphysicsandastrophysicsObservationofVHEgammarayshelpsUStoun—derstandcosm

2、icrayaccelerationandtoanswerthequestionaboutoriginofcosmicraysObservationofVHEgammaraysalsohelpsUStoknowmoreaboutmechan—icsofVHEobjects(forexample，AGN)Besides，VHEgammaraysareusefultooltomeasureextragalacticinfraredbackgr

3、oundlight，todetectdarkmatterandSOonThisthesisintroducesVHEgammaastronomy’Smotivation，observationstatusandtechniquesActiveGalacticNuclei(AGN)isoneofthehottestspotsinhighenergyastro—physicsBlazar，aclassofAGNs，hasbeenobserv

4、edwithVHEgammaraysBlazarhasawidebandofemissionsfromradiotogammarayinwhichnon—thermalradiationplaysadominantroleTheyareobservedwithveryhighluminosityandveryrapidvariationObservationofBlazaronVHEbandwouldconstrainaccelerat

5、ionmodelsandhelpUStounderstandthephysicsofAGNsThethesismakesanintroductiontoAGN，BlazarandthelatestdevelopmentoftheirobservationonVHEbandARGO—YBJexperiment，thefirstarraysfullycoveredbyRPCs，locatesatYang—bajing，Tibet，witha

6、naltitudeof4300mas1ARGO—YBJhasanenergythresholdof300GeVfeaturedbyahighaltitude，ahighdutycycleandawidefieldofviewARGO—YBJhasspecialadvantagesinobservationofVHEflaresThisthesisdescribestwoparallelandcomplementaryworksabout

7、VIlEflares(a)Establishmentofasystem，includingreal—timedatatransferanalysisandalarm，tomonitorselectedextragalacticVHEgammaraysusingARGO—YBJdata(b)Anall—skyblindsearchforVHEflaresonthebasisofcarefulqualitycheckonARGOYBJ，us

8、ingsurroundingwindowmethodTheoriginalideasofthisworkare：thefirsttimeforARGO—YBJcollaborationtoset—upareal—timesystemtomonitorselectedextragalacticVHEgammaraysources；surroundingwindowmethodisappliedtotheanalysisofARGO—YBJ