欢迎来到天天文库
浏览记录
ID:34142089
大小:1.32 MB
页数:47页
时间:2019-03-03
《在高能绕射过程中的odderon粒子》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、广西大学硕士学位论文在高能绕射过程中的Odderon粒子quark-gluoninterferencetermsmustcontributetothecro铅section.Atthesametime,sincethegluonscaninteractamongthemselves80thattheycanformacolorlessboundstatesoftwointeractinggluonsnamedGlueball彻dloracolorlessboundstateconsistingofthre
2、einteractinggluoncalledOdderon.ThereforeonemustincludetheGlueballandOdderoncontributions.OurmaingoaLlofthisworkistoinvestigatehadron-hadronelasticscatteringfromthepointofviewofQCDandbasedonquarkgluonstructureofhextronwithGlueball,Odderoncontributionsinclu
3、ded.WecalculatethePPand却elasticscatteringtotalCROSSsectionam(s),theratiooftherealtotheimaginarypartofforwardscatteringamplitudeP,thenuclearslopeparameterpandthedifferentialcrosssection警.Andrevealtheindividualtermscontributionstodifferentialcrosssection.We
4、callthetheoreticalmodelusedinthepresentcalculationsasQCDinspiredmodel.,Theprinciplesofanalyticity,unitarityandCrossingsymmetryaretrulyfundamen-talto0111"understandingofparticlephysics.Arequirementofanalytidtyisthattheforwardscatteringamplitudesforppand却el
5、asticscatteringcomefromthesameanarlyricfunction.Fm'ther,unitantyprovidesarelationshipbetweenthetotalcr嘟sectionandtheimaginarypartoftheforwardscatteringamplitude-theopticaltheorem.Inordertoensureunitarity,theChou-Yangmodell20]postulatesthattheelasticscatte
6、ringistheshadowoftheabsorptionresultingfromthepassageofonehadroniematterdistributionthroughanother.Thetransversedistributionofthematterisassumedtohavethe88旺ileshapeasthechargedistribution,asmeasuredbytheelectromagneticformfactor.M.M.Blockl211proposediniti
7、allythateikonalformulisminthetwo—dimensionaltransverseimpactparameterspace,itshouldhaveaQCD-inspiredandeikonalmodeltopredicttheamplitudecanparameterizetheanalyticity,unitarityandsatisfiescrossingsymmetryrelationship.ThedatabothforPPand却arefittedusingtheto
8、talcomplexanalyticeikonalprofilefunctions,i.e.phasetransition,intermsoftheevenandoddforwardseat-teringamplitudes4and足whichaleevenandoddundercrossingtransformation,andnaturallyisrelatedtotheevenandoddeikonalprofilefu
此文档下载收益归作者所有