a supersymmetry primer

《a supersymmetry primer》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、hep-ph/9709356v3April7,1999ASUPERSYMMETRYPRIMERSTEPHENP.MARTINyRandallPhysicsLaboratory,UniversityofMichiganAnnArborMI48109-1120USAIprovideapedagogicalintroductiontosupersymmetry.Thelevelofdis-cussionisaimedatreaderswhoarefamiliarwiththeStandardModelandquantumeldtheory,butwh

2、ohavelittleornopriorexposuretosupersym-metry.Topicscoveredinclude:motivationsforsupersymmetry;thecon-structionofsupersymmetricLagrangians;supersymmetry-breakinginterac-tions;theMinimalSupersymmetricStandardModel(MSSM);R-parityanditsconsequences;theoriginsofsupersymmetrybreaki

3、ng;themassspectrumoftheMSSM;decaysofsupersymmetricparticles;experimentalsignalsforsupersymmetry;andsomeextensionsoftheminimalframework.ThisisanextendedversionofacontributiontothebookPerspectivesonSupersym-metry,editedbyG.L.Kane(WorldScientic,Singapore1998).Contents1Introduct

4、ion22Interlude:NotationsandConventions123Supersymmetriclagrangians153.1Thesimplestsupersymmetricmodel:afreechiralsupermultiplet.......163.2Interactionsofchiralsupermultiplets.......................203.3Lagrangiansforgaugesupermultiplets......................233.4Supersymmetri

5、cgaugeinteractions........................243.5Summary:Howtobuildasupersymmetricmodel................26arXiv:hep-ph/9709356v37Apr19994Softsupersymmetrybreakinginteractions285TheMinimalSupersymmetricStandardModel305.1Thesuperpotentialandsupersymmetricinteractions..............

6、305.2R-parity(alsoknownasmatterparity)anditsconsequences..........345.3SoftsupersymmetrybreakingintheMSSM...................365.4HintsofanOrganizingPrinciple.........................376Originsofsupersymmetrybreaking416.1Generalconsiderationsforsupersymmetrybreaking...........

7、....416.2Thegoldstinoandthegravitino..........................456.3Gravity-mediatedsupersymmetrybreakingmodels...............496.4Gauge-mediatedsupersymmetrybreakingmodels................50ySinceOctober1,1998:DepartmentofPhysics,NorthernIllinoisUniversity,DeKalbIL60115,andThe

8、oreticalPhysics,FermiNationalAcceleratorLaboratory,BataviaIL60510.em