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Experimental study of the knockout reaction mechanism using O-14 at 60 MeV/nucleon

机译:o-14在60mev / nucleon中使用O-14的敲除反应机制的实验研究

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摘要

Background: For the deeply bound one-nucleon removal at intermediate energies using a Be-9 or C-12 target, a strong reduction of cross section was observed relative to the prediction of eikonal theoretical model. The large disagreement has not been explained and the systematic trend is inconsistent with results from transfer reactions. The recently observed asymmetric parallel momentum distribution of the knockout residue indicates the significant dissipative core-target interaction in the knockout reaction with a composite target, implying new reaction mechanisms beyond the eikonal reaction descriptions.
机译:背景:对于使用BE-9或C-12靶的中间能量在中间能量的深度结合的单核中去除,相对于Eikonal理论模型的预测,观察到横截面的强烈减少。 尚未解释大的分歧,系统趋势与转移反应的结果不一致。 敲除残留物的最近观察到的不对称平行动量分布表明了与复合靶标的敲除反应中的显着耗散的核心靶相互作用,暗示了超出尖锐反应描述之外的新的反应机制。

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  • 来源
    《Physical review, C》 |2016年第4期|共8页
  • 作者单位

    Peking Univ Sch Phys State Key Lab Nucl Phys &

    Technol Beijing 100871 Peoples R China;

    RIKEN Nishina Ctr 2-1 Hirosawa Wako Saitama 3510198 Japan;

    Peking Univ Sch Phys State Key Lab Nucl Phys &

    Technol Beijing 100871 Peoples R China;

    CEA Ctr Saclay IRFU Serv Phys Nucl F-91191 Gif Sur Yvette France;

    Peking Univ Sch Phys State Key Lab Nucl Phys &

    Technol Beijing 100871 Peoples R China;

    Osaka Univ Res Ctr Nucl Phys Mihogaoka 10-1 Ibaraki Osaka 5670047 Japan;

    Osaka Univ Res Ctr Nucl Phys Mihogaoka 10-1 Ibaraki Osaka 5670047 Japan;

    Osaka Univ Res Ctr Nucl Phys Mihogaoka 10-1 Ibaraki Osaka 5670047 Japan;

    Texas A&

    M Univ Dept Phys Commerce TX 75428 USA;

    Peking Univ Sch Phys State Key Lab Nucl Phys &

    Technol Beijing 100871 Peoples R China;

    CEA Ctr Saclay IRFU Serv Phys Nucl F-91191 Gif Sur Yvette France;

    Ist Nazl Fis Nucl Lab Nazl Sud Via S Sofia 62 I-95125 Catania Italy;

    Ist Nazl Fis Nucl Lab Nazl Sud Via S Sofia 62 I-95125 Catania Italy;

    Kyoto Univ Dept Phys Kyoto 6068502 Japan;

    Peking Univ Sch Phys State Key Lab Nucl Phys &

    Technol Beijing 100871 Peoples R China;

    Osaka Univ Res Ctr Nucl Phys Mihogaoka 10-1 Ibaraki Osaka 5670047 Japan;

    Osaka Univ Res Ctr Nucl Phys Mihogaoka 10-1 Ibaraki Osaka 5670047 Japan;

    Kyoto Univ Dept Phys Kyoto 6068502 Japan;

    Peking Univ Sch Phys State Key Lab Nucl Phys &

    Technol Beijing 100871 Peoples R China;

    Peking Univ Sch Phys State Key Lab Nucl Phys &

    Technol Beijing 100871 Peoples R China;

    RIKEN Nishina Ctr 2-1 Hirosawa Wako Saitama 3510198 Japan;

    Chinese Acad Sci Shanghai Inst Appl Phys Shanghai 201800 Peoples R China;

    Peking Univ Sch Phys State Key Lab Nucl Phys &

    Technol Beijing 100871 Peoples R China;

    RIKEN Nishina Ctr 2-1 Hirosawa Wako Saitama 3510198 Japan;

    Osaka Univ Res Ctr Nucl Phys Mihogaoka 10-1 Ibaraki Osaka 5670047 Japan;

    Osaka Univ Res Ctr Nucl Phys Mihogaoka 10-1 Ibaraki Osaka 5670047 Japan;

    Osaka Univ Res Ctr Nucl Phys Mihogaoka 10-1 Ibaraki Osaka 5670047 Japan;

    Osaka Univ Res Ctr Nucl Phys Mihogaoka 10-1 Ibaraki Osaka 5670047 Japan;

    Michigan State Univ Natl Superconducting Cyclotron Lab E Lansing MI 48824 USA;

    Peking Univ Sch Phys State Key Lab Nucl Phys &

    Technol Beijing 100871 Peoples R China;

    Univ Tokyo Dept Phys Bunkyo Ku Tokyo 1130033 Japan;

    Osaka Univ Res Ctr Nucl Phys Mihogaoka 10-1 Ibaraki Osaka 5670047 Japan;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 原子核物理学、高能物理学;
  • 关键词

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