庫侖三體問題的經(jīng)典散射研究.pdf

1、中國科學(xué)技術(shù)大學(xué)博士學(xué)位論文庫侖三體問題的經(jīng)典散射研究姓名：段斌申請學(xué)位級別：博士專業(yè)：理論物理指導(dǎo)教師：顧雁1999.12.1AbstractBasedontheclassicalmechanics，westudytheglobaldynarIlicalbehaviorandthescat—teringpropertyofthreekindsofonedimensionalCoulombthree—bodysystems，ie，the

2、8wavemodelthecollineare—Ze—modelandthecollinearZe—e～model，whichareusedinthede—scriptionofthecollisionbetweenanelectronandaoneelectronionfeg，日e)Intheca8eofthetotalenergyE0，westudytheclassicaltheoryof(e2e)reactionofatomsor

3、ionsbasedonrestrictedCoulombthreebodysystemsie，theswavemodel，thecollineareZe—modelandthecol／inesxZe—e—modelThedynamicalanalysisindicatesthattheformertwomodelshavefivechannels(iedoublescattering，capturescattering，ionizati

4、onscattering，exchangescatteringanddirectscattering)，whilethecollinearZe—e—modelhasallthechannelsexcepttheexchangescatteringOnSOS，thelocationofthesechannelsaremainlydeterminedbytherelativepositionsofdoubleescapingzonesDe，

5、doubleinjeetingzone皿anditsmappingF(Di)andthecollisionzoneDrHavingdefinedtheglobaldynamics，thedynamicalpropertyCanbeeasilydiscussedForinstance，thecrosssectionof(e12e)reactioncanbeobtainedsimplybycalculatingthetwoorbitsoft

6、heiⅡjectingensemblelocatingattheboundaryofDeThenumericalresultsshowthatthreeionizationcuIvesaresimilarintheshapeforthesemodelsHowever，shghtlyabovethethresholdtheyobeysdifferentlawsliejthelinearlawW抽nierthresholdiaWandthe