首页   按字顺浏览 期刊浏览 卷期浏览 New Results On8B And23O Ground State Properties
New Results On8B And23O Ground State Properties

 

作者: D. Cortina‐Gil,   J. Fernandez‐Vazquez,   F. Attallah,   T. Baumann,   J. Benlliure,   M. J. G. Borge,   L. Chulkov,   C. Forsse´n,   L. M. Fraile,   H. Geissel,   J. Gerl,   K. Ithashi,   R. Janik,   B. Jonson,   S. Karlsson,   H. Lenske,   S. Mandal,   K. Markenroth,   M. Meister,   M. Mocko,   G. Mu¨nzenberg,   T. Ohtsubo,   A. Ozawa,   Yu. Parfenova,   V. Pribora,   A. Richter,   K. Riisager,   R. Schneider,   H. Scheit,   G. Schrieder,   N. Shulgina,   H. Simon,   B. Sitar,   A. Stolz,   P. Strmen,   K. Su¨mmerer,   I. Szarka,   S. Wan,   H. Weick,   M. V. Zhukov,  

 

期刊: AIP Conference Proceedings  （AIP Available online 1903）
卷期: Volume 656, issue 1  

页码: 315-322

 

ISSN:0094-243X

 

年代: 1903

 

DOI:10.1063/1.1556659

 

出版商: AIP

 

数据来源: AIP

 

摘要:

One‐nucleon removal reactions at relativistic energies have been used as spectroscopic tool to obtain information about the ground state properties of8B and23O. Using the FRS at GSI, the longitudinal momentum distributions of the emerging fragments after breakup and the one‐nucleon removal cross‐sections were measured. The relative contributions of the remaining fragments (7Be and22O) in their ground and excited states have been determined from measurements of &ggr; rays in coincidence with the longitudinal momentum distributions. In the8B case, the experimental breakup data on two different targets (C and Pb) allow a determination of the weight of the7Be*component in the8B ground state wave function as (13.3±2.2) &percent;. These results are discussed in the context of a theoretical three‐body model. Preliminary results on23O indicate a spin and parity assignment of 1/2+in agreement with shell model predictions. © 2003 American Institute of Physics

 

点击下载:  PDF (107KB)



返 回