26434.20ne的α16o結構及24mg的αα16o結構模型研究20ne20ne和α24mg重離子彈性散射

1、20Ne的Or160結構及24Mg的僅僅160結構模型研究20Ne一20Ne和Ot24Mg重離子彈性散射專業(yè)名稱：理論物理申請人：張欣蕊指導教師：楊永栩教授主席：委員：盟!生【i師范人學頎上學位論文摘要Thestudyof20Ne一20Neand儀一24Mgheavy—ionsscatteringinthe僅160modelof20Neandinthe僅0【160of24MgPostgraduate：XRZhangSupervisor：

2、ProfessorYXYangMajorIn：TheoreticalPhysics，NuclearPhysicsGrade：2011AbstractBasedonthe0c“Omodelof”Nenucleusthefoldingpotentialfor”Ne一20Neelasticscatteringisconstructedbyusingthebasicd0cand0L‘60interactionswiththerelativemo

3、tiondensitydistributionof0L。60inthe”NenucleusFortheimaginarypartoftheopticalpotential，weadoptthestandardWoodsSaxonformortheWoodsSaxonformplusitsderivativetype(surfacepotential)Inthispaper，usingtheobtainedopticalpotential

4、wehaveanalyzedthe：。Ne一”Neelasticscatteringangulardistributionsatenergiesof621，641，661，681699、721，and745MeVThecalculationresultsshowthat，theelasticscatteringangulardistributionscanbereasonablydescribedbytheopticalpotentia

5、lLinearexpressionsofenergy—dependentoftherenormalizationfactorNrandthecentralimaginarydepth蟛areobtainedfromanalyzingtherealpartandtheimaginarypartwhichreasonablydescribedthe11Nc1’Neelasticscatteringangulardistributionsin

6、theenergiesregionof62，I一745MeVThelinearenergy—dependentopticalpotentialcandescribedtheexcitationfunctionfortheelastic!Ne一’”Nescatteringat0=90。intheenergiesregionofE，?！?0—38MeVThevolumeintegralspernucleonofthefoldingpoten

7、tialarestrongerthanthatobtainedbyotherstudiesOnthebasisofaboveresearch，weappliedtheobtainedfoldingpotentialtocalculatethethsionexcitationfunctionsatenergiesaroundtheCoulombBarrierThecalculatedresultsshowreasonabledescrip

8、tiontothefusionexcitationfunctionsBasedontheoL僅16OmodelofMgnucleuswehavetriedtoconstructthefoldingpotentialfor僅一“Mgelasticscattering【1heobtainedfoldingpotentialforcc一“MgsystemwiththeimaginarypartofstandardWoods—Saxonform

9、hasbeenappliedtoⅡ一”Mgelasticscatteringatenergiesof222，285，420，500，541，65，7，810，1040，and1200MeVThecalculatedresultsshowthattheOt一24MgelasticscatteringangulardistributionscanbewellreproducedAlso，thevolumeintegralspernucleo