1010.5419 supersymmetry on the run lhc and dark matter(d. i. kazakova)(1010.5419)

《1010.5419 supersymmetry on the run lhc and dark matter(d. i. kazakova)(1010.5419)》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、SUPERSYMMETRYONTHERUN:LHCANDDARKMATTERD.I.KazakovaaBLTP,JINR,DubnaandITEP,MoscowSupersymmetry,anewsymmetrythatrelatesbosonsandfermionsinparticlephysics,stillescapesobservation.SearchforSUSYisoneofthemainaimsoftherecentlylaunchedLargeHadronCollider.TheotherpossiblemanifestationofSUSYistheDark

2、MatterintheUniverse.Thepresentlecturescontainabriefintroductiontosupersymmetryinparticlephysics.Themainnotionsofsupersymmetryareintroduced.ThesupersymmetricextensionoftheStandardModel-theMinimalSupersymmetricStandardModel-isconsideredinmoredetail.PhenomenologicalfeaturesoftheMSSMaswellasposs

3、ibleexperimentalsignaturesofSUSYattheLHCaredescribed.TheDMproblemanditspossibleSUSYsolutionispresented.1.Introduction:Whatissupersymmetrystatistics.ThekeyelementofSUSYalgebraisµSupersymmetryisaboson-fermionsymmetry{Qα,Q¯α˙}=2σα,α˙Pµ,(1.1)thatisaimedtounifyallforcesinNatureinclud-whereQandQ¯a

4、reSUSYgeneratorsandPµisinggravitywithinasingeframework[1]-[5].Mod-thegeneratoroftranslation,thefour-momentum.ernviewsonsupersymmetryinparticlephysicsInwhatfollowswedescribeSUSYalgebraarebasedonstringparadigm,thoughthelowinmoredetailandconstructitsrepresentationsenergymanifestationsofSUSYcanb

5、epossiblywhichareneededtobuildaSUSYgeneralizationfoundatmoderncollidersandinnon-acceleratoroftheStandardModeloffundamentalinterac-experiments.tions.SuchageneralizationisbasedonasoftlySupersymmetryemergedfromtheattemptstobrokenSUSYquantumfiledtheoryandcontainsgeneralizethePoincar´ealgebratomix

6、represen-theSMasalowenergytheory.tationswithdifferentspin[1].IthappenedtoSupersymmetrypromisestosolvesomeprob-arXiv:1010.5419v1[hep-ph]13Oct2010beaproblematictaskduetotheno-gotheoremslemsoftheSMandofGrandUnifiedTheories.preventingsuchgeneralizations[6].ThewayoutInwhatfollowswedescribesupersymm

7、etryasawasfoundbyintroducingtheso-calledgradedLienearestoptionforthenewphysicsonaTeVscale.algebras,i.e.addingtheanti-commutatorstotheusualcommutatorsoftheLorentzalgebra.Such2.MotivationofSUSYinparticlephysicsageneralization,describedbelow,appearedt