Chargino-Neutralino的產(chǎn)生和量子效應(yīng)的研究.pdf

1、中國(guó)科學(xué)技術(shù)大學(xué)博士學(xué)位論文ginoNeutralino的產(chǎn)生和量子效應(yīng)的研究姓名：周緬來申請(qǐng)學(xué)位級(jí)別：博士專業(yè)：核物理與粒子物理指導(dǎo)教師：馬文淦2000.6.1AbstractTheMinimalSupersymmetricStandardModelfMSSM)iswidelyregardedascurrentlythemostappealingextensionoftheStandardModelfSM)MSSMpredictsth

2、atthenewphysicsbeyondSMwillappearbelowthescaleaboutoneTeVThesupersymmtricpartnersofthegaugebosonsandHiggsbosons，charginoandneutralino，assumedasthemostimportantingredientsofthesupersymmetricparticlesspectrum，areprobablyth

3、enextparticlestobediscoveredItispromisingtaskstosearchtheseparticlesinthepresentandfuturalcollidersCharginosandnentralinosmayeitherbeproduceddirectly，orbedetectedviatheproductionprocessesofotherparticlesbytheirvirtualqua

4、ntumeffectsTheirmassmatrixinvolvesmanyfundamentalsupersymmetricparametersandCPviolatingphases，hencethestudyofcharginosandneutralinoswillimproveourunderstandingofthewholeframeworkofMSSMInthisthesis，weinvesti—gatedsometypi

5、calproductionprocessesrelatedtocharginoandneutralinoviaelectron—positron，photon—photonandhadron—hadroncollisionatfuturMLinearCollidersandLargeHadronColliders，andgavetheanalysisanddiscussionofboththeradiativecorrectionsan

6、dCPviolatingeffectsToreachtherequiredprecision，weperformedthecalculationbeyondthetreelevelFromthecalculationwecanconcludethatthephysicalsignalsarisingfromcharginosandneutralinosareconsiderable，bothindirectproductionandin

7、directsearchprocessTherefore，studyingthecharginoandneutralinoatphenomenologicallevelwillbehelpfultodetectionofsupersymmetricsignalsanddeterminationofthefundamentalsupersymmetricparametersIfsupersymmetryistobefound，ourthe