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Knockout reaction induced by ^6He at 61.2 MeV/u
  • ISSN号：1674-1137
  • 期刊名称：《中国物理C：英文版》
  • 时间：0
  • 分类：O613.11[理学—无机化学;理学—化学] S858.9[农业科学—临床兽医学;农业科学—兽医学;农业科学—畜牧兽医]
  • 作者机构：[1]School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China, [2]Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
  • 相关基金：Supported by National Basic Research Program （973 Program） of China （2007CB815002）, and National Natural Science Foundation of China （11035001, 10775003, 10827505, J0730316）
作者： 吕林辉[1], 叶沿林[1], 江栋兴[1], 华辉[1], 郑涛[1], 李智焕[1], 葛愉成[1], 李湘庆[1], 楼建玲[1], 曹中鑫[1], 宋玉收[1], 肖军[1], 李奇特[1], 乔锐[1], 游海波[1], 陈瑞久[1], 徐瑚珊[2], 王建松[2], 郭忠言[2], 张雪荧[2], 李琛[2], 胡正国[2], 陈若富[2], 王猛[2], 徐治国[2], 岳珂[2], 唐彬[2], 臧永东[2], 章学恒[2], 姚向武[2], 陈金达[2], 白真[2]
关键词： MEV, 反应, 诱导, He, 反冲质子, HIRFL, RIBLL, 同步测量, halo nucleus, knockout reaction, reaction mechanism, invariant mass spectra
中文摘要：

A knockout reaction induced by 6 He at 61.2 MeV/u was carried out at the HIRFL-RIBLL radioactive beam line.The α core fragments at forward angles were detected in coincidence with the recoiled protons at large angles.From this coincident measurement the valence nucleon knockout mechanism and the core knockout mechanism can be separated according to the polar angle correlation between the core fragments and the recoiled protons.It is demonstrated that,when reconstructing the resonant state of a weakly bound nucleus,the contamination resulting from the core knockout mechanism should be eliminated in order to obtain the correct structure information.

英文摘要：

A knockout reaction induced by ^6He at 61.2 MeV/u was carried out at the HIRFL-RIBLL ra- dioactive beam line. The α core fragments at forward angles were detected in coincidence with the recoiled protons at large angles. From this coincident measurement the valence nucleon knockout mechanism and the core knockout mechanism can be separated according to the polar angle correlation between the core fragments and the recoiled protons. It is demonstrated that, when reconstructing the resonant state of a weakly bound nucleus, the contamination resulting from the core knockout mechanism should be eliminated in order to obtain the correct structure information.

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期刊信息
  • 《中国物理C：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国物理学会 中国科学院高能物理研究所 中国科学院近代物理研究所
  • 主编：王贻芳
  • 地址：北京市玉泉路19号（乙）
  • 邮编：100049
  • 邮箱：cpc@mail.ihep.ac.cn
  • 电话：010-88235947
  • 国际标准刊号：ISSN：1674-1137
  • 国内统一刊号：ISSN：11-5641/O4
  • 邮发代号:2-522
  • 获奖情况:
  • 2000年获中国科学院优秀期刊评比一等奖,中国期刊方阵“双百”期刊
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘（网络版）,荷兰文摘与引文数据库,美国剑桥科学文摘,美国科学引文索引（扩展库）,英国科学文摘数据库,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,英国英国皇家化学学会文摘
  • 被引量:189