首页 | 本学科首页   官方微博 | 高级检索  
     检索      


Structure studies of 11Be and 12Be: Observation of molecular rotational bands
Authors:H G Bohlen  W von Oertzen  A Bla?evi?  B Gebauer  S M Grimes  R Kalpakchieva  T N Massey  S Thummerer
Institution:(1) Department of Physics and Astronomy, Ohio University, Athens, USA;(2) Flerov Laboratory of Nuclear Reactions, JINR, Dubna, Russia;(3) Bulgarian Academy of Science, Sofia, Bulgaria;(4) Hahn-Meitner-Institut, Berlin, Germany
Abstract:Excited states of 11Be have been studied with several transfer reactions. Nine states between 3.96 and 25.0 MeV excitation energy show the characteristic energy dependence of a rotational band. The deduced large moment of inertia is consistent with a 2α structure with large deformation. In 12Be four high-lying states observed at 7.3, 10.7, 14.6, and 21.7 MeV in the reaction 9Be(15N,12N)12Be, also form a rotational band with almost the same moment of inertia; tentative spin assignments of 2+–8+ are used.
Keywords:
本文献已被 SpringerLink 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号