p-A碰撞Drell-Yan過程中的核效應(yīng).pdf

1、河北師范大學碩士學位論文pA碰撞DrellYan過程中的核效應(yīng)姓名：周國麗申請學位級別：碩士專業(yè)：理論物理指導教師：段春貴20070604河北師范大學碩士學位論文ABSTRACTInprotron—protroncollisions，theinteractionsbetweenquarkgluonthatmakeupcollidingnucleonscallbelearnedInnucleusnucleuscollisionsphysi

2、calscientistshopetofindasignalfortheexistenceofthedeconfiningphaseofQCD，thequarkgluonplasmaInprotronnucleuscollistrons，itishopedtogainmoreinformationaboutthemodificationofthepartondistributionfunctionsinthenuclei，andtole

3、arnthespacetimedevelopmentofthestronginteractionduringitsearlystagesWec鋤gainthepattondistributionfunctionsinthenucleiandtheenergylossofthefastquarkandgluonmovingthroughthenucleiUnderstandingtheinitialstagesofultrarelativ

4、isticheavyioncollisionsisofutmostimportanceinordertounderstandtheoutcomeofthehi曲energyheavyionexperiments，suchastheBNLrelativisticheavyioncollider(RmC)andtheCERNlargehadroneollider(LHC)TheDrellYanprocessinP—Acollisionsis

5、similartodeepinelasticscaReringprocessItisanalsoidealtooltostudythenuclearpartondistributionThequarkenergylossoffastquarksinnuclearmatterisanothernucleareffectapartfromthenucleareffectsonthepartondistributionaSinde印inela

6、sticscatteringprocessIfthefastquarkenergylossinnuclearDrellYanprocesshasallobviouseffectonnuclearDrellYanprocessdifferentialCROSSsection鷸afunctionofthepattonmomentumfractiontargetthenuclearDrellYanprocesscouldbeuseddiffi

7、cultyinstudyingthenuclearseaquarkdistributionInthepaperthenuclearDrellYandifferentialcrossff燃tionratiosarecalculatedfor800GeVprotonincidentonDandWbyconsideringquarkenergylosseffect、Ⅳimthenuclearpartondistributionsfromfir

8、ing卜一彳deepinelasticscatteringexperimentaldataItisfoundthattheenergylosseffectCanobviouslyimpactonthenuclearDrellYandifferentialcrosssectionWithconsideringtheexistenceofquarkenergyMsseffecttheenergylosseffectshouldbetaken