Top夸克雙黑格斯模型與B→Vγ輻射衰變研究.pdf

1、蠢：跌q0j_1：j!jl!lj，。，J：‘。』■南京吁毿火籮碩士學(xué)位論文nIj夸克雙黑格斯模型與iji。7輻射衰多：霞f1。者：寸：揖譬轂捫學(xué)科專、扯等蚌[_|fjj鯉薔舞4療建。TI學(xué)與妓，1：≯：旦，1)0六印fi—南京師范大學(xué)碩士學(xué)位論文TOP夸克雙黑格斯模型與B—y1輻射衰變研究ABSTRACTIntheframeworkofthestandardmodel(SM)andthetopquarktwoHiggs—doubletm

2、odel(T2HDM)，wemadeasystematicstudyoftheexclusiveradiativedecaysB_V7，andfoundsomeinterestingresultsInfirsttwochapters，wemadeareviewofthetheoreticalframeworkofBphysicsintheSMandT2HDM’SWepresentedtheextractionofWilsoncoeffi

3、cients，theevolvementoftherenormalizationgroup，andcurrentexperimentalmeasurementsofCPviolationofBmesonsystemWelistedthebasicformulasneededincalculationandmadeabriefdiscussionofthecurrentandnearfutureBmesonexperimentsWeals

4、ogaveabriefdescriptionofthepopularmethodsofcalculatingthehadronmatrixelements，anddiscussedtheQCDfactorizationindetailsInchapter3，wedescribebrieflythebasicstructuresofthetopquarktwoHiggs—doubletmodel，giveabriefreviewabout

5、thecalculationofB_vT(v=K，P)atNLOinQCDfactorizationintheSMandpresenttheneededanalyticalformulasforthecalculationofWilsoncoefficientsandphyrsicalobservablesInchapter4，intheframeworkofSMandT2HDM，wecalculatedthenewphysicscor

6、rectionsonthebranchingratios，CPasymmetries，isospinandU—spinsymmetrybreakingofthedecaysB_vT(v=K，P)，inducedbythechargedHiggspenguinsintheT2HDM，comparedthetheoreticalpredictionswiththosecurrentlyavailableexperimentalmeasure

7、ments、^，efo】ndthat：ThenewphysicscorrectionstothephysicalobservablesunderconsiderationinthispaperaregenerallysmallintheT2HDM’SAndthereforethetheoreticalpredictionsintheSMandT2HDMarealwaysingoodagreementwiththecorrespondin