Transcription of ASTROPHYSICS AND COSMOLOGY - CERN
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ASTROPHYSICSANDCOSMOLOGYJ. Garc a-BellidoTheoreticalPhysicsGroup,Blacket tLaboratory, ImperialCollegeofScience,TechnologyandMe dicine,PrinceConsortRoad,LondonSW72BZ, therecentdevelopmentsin willdescribethestandardBigBangtheoryofth eevolutionoftheuniverse,withitssuccesses andshortcomings,whichwillleadto willpresenta reviewoftheveryrichphenomenologythatweha veincosmologytoday, aswellasevidencefortheobservationalrevol utionthatthisfieldis goingthrough,whichwillprovideus,inthenex tfewyears, (fromtheGreek:kosmos, universe,world,order, andlogos, word,theory)is probablythemostancientbodyofknowledge, ,untilrecently, wecouldonlyanswerto ,thanksto(whatelse?)rawdata,comingfrompr ecisemeasurementsofa ,weareenteringa precisioneraincosmology, andsoonmostofourobservableswillbemeasure dwitha fewpercentaccuracy. We aretrulylivingintheGoldenAgeofCosmology. It is a veryexcitingtimeandI largesetofexperiments,whichpro-videcruci alinformationabouttheuniverseoriginandev olution;sorapidlythatthesenoteswillproba -blybeoutdatedbeforetheyareinprintasa ,someoftheresultsI mentioneddur-ingtheSummerSchoolhavealrea dybeenimproved, ,mostofthenewdatacanbeinterpretedwithina coherentframeworkknownasthestandardcosmo logicalmodel,basedontheBigBangtheoryofth euniverseandtheinflationaryparadigm,whic his willtryto makesucha theoreticalmodelaccesibleto youngexperimentalparticlephysicistswithl ittleornopr
1. GENERAL INTRODUCTION Cosmology (from the Greek: kosmos, universe, world, order, and logos, word, theory) is probably the most ancient body of knowledge, dating from as far back as the predictions of seasons by early civiliza-tions. Yet, until recently, we could only answer to some of its more basic questions with an order of mag-nitude estimate.
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