第41卷第6期2024年12月J.At.Mol.Phys.,2024,41:063001(8pp)近Bohr速度129Xe+原子与分子物理学报JOURNALOFATOMICANDMOLECULARPHYSICS离子入射Ta靶发射近红外光谱线Vol.41No.6Dec.2024王益军，张颖"，张小安"²，周贤明"，梅策香"，梁昌慧"，曾利霞"，李耀宗，柳卵钰，向前兰，孟惠"，张艳宁1（1.咸阳师范学院离子束与光物理实验室，咸阳712000；2．中国科学院近代物理研究所，兰州730000）摘要：用动能一定的高电荷态129Xe?*（17≤q≤27）离子，分别入射洁净的Ta靶表面，测量中性化的激发态Xe原子从组态5p（²P°3/2）nl退激到组态5p（"P3/2）ml"过程中辐射的近红外光谱线。实验结果表明：多激发态的空心原子退激发射其特征光谱线，部分典型的跃迁按照阶梯方式退激。Xe原子发射的谱线的单粒子荧光产额和激发的Ta原子发射谱线的单粒子荧光产额随入射离子电荷态的增加而增加，其增加的趋势与入射离子携带的势能随电荷态增加的趋势一致．证明在近Bohr速度的能区，经典过垒模型是成立的：关键词：玻尔速度；高电荷态离子；经典过垒模型；近红外光谱线；空心原子中图分类号：0434.14Atomicandionicnearinfraredemissionspectrainducedbytheimpactof129Xe#+onTasolidsurface文献标识码：AD0I:10.19855/j.1000-0364.2024.063001WANGYi-Jun',ZHANGYing',ZHANGXiao-An'*2,ZHOUXian-Ming',MEICe-Xiang',LIANGChang-Hui',ZENGLi-Xia',LIYao-Zong',LIUYu',XIANGQian-Lan',MENGHui',ZHANGYan-Ning'(1.IonBeamandOpticalPhysicalJointLaboratoryofXianyangNormalUniversity,Xianyang712000,China;2.InstituteofModernPhysics,ChineseAcademyofSciences,Lanzhou730000,China)Abstract:Thehighlycharged129Xe?*(17≤q≤27)ionswithcertainkineticenergyareincidentonthecleanTatargetsurfacerespectively,thenthemeasurementofnear-infraredspectrallinesemittedfromXehollowatomsandTaatomsisreported.Theexperimentalresultsshowthatinthede-excitedemissioncharacteristicspectrallinesofhollowatomsinmulti-excitedstates,sometypicaltransitionsfollowtheladderpattern,thesingle-particlefluorescenceyieldofthespectrallinesemittedbyXeatomsandthesingle-particlefluorescenceyieldofthespectrallinesemittedbyexcitedTaatomsincreasewiththeincreaseofthechargestateoftheincidentions,andtheincreasingtrendisconsistentwiththetrendofthepotentialenergyc...
