25MeV/u 6He+9Be反应的轻粒子发射
25MeV/u 6He+9Be반응적경입자발사
Observation of Light Particle Emission at Backward Angles in the Reaction Induced by 25MeV/u 6He from 9Be Target
  • 万方数据
    高能物理与核物理 고능물리여핵물리
    HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS
    2004年 5期 451-454 ,共4页

    张高龙%叶沿林%江栋兴%郑涛%王全进%李智焕%李湘庆%陈志强%胡青元%庞丹阳%王佳%A.Ozawa%Y.Yamaguchi%C.Wu%R.Kanungo%D.Fang%I.Tanihata

    장고룡%협연림%강동흥%정도%왕전진%리지환%리상경%진지강%호청원%방단양%왕가%A.Ozawa%Y.Yamaguchi%C.Wu%R.Kanungo%D.Fang%I.Tanihata

    能谱%熔合-蒸发%核温度 能譜%鎔閤-蒸髮%覈溫度
    능보%용합-증발%핵온도
    energy spectra%fusion-evaporation%nuclear temperature
    在25MeV/u 6He与9Be靶的反应中,107°和128°处明显地观察到了轻粒子发射.粒子能谱形状与平衡热源蒸发相一致,分析得到热源的核温度为完全熔合条件下的5.6MeV或非完全熔合条件下的5.2MeV.实验发现发射氚的数量特别大,这可能与目前广泛研究的6He的集团结构和同位旋效应有关.
    재25MeV/u 6He여9Be파적반응중,107°화128°처명현지관찰도료경입자발사.입자능보형상여평형열원증발상일치,분석득도열원적핵온도위완전용합조건하적5.6MeV혹비완전용합조건하적5.2MeV.실험발현발사천적수량특별대,저가능여목전엄범연구적6He적집단결구화동위선효응유관.
    Light particle emission at around 107°and 128°in the reaction induced by 25MeV/u 6He from 9Be target were clearly observed. The shape of the energy spectra obtained is consistent with an equilibrium evaporation from a source with a temperature of 5.6MeV or 5.2MeV for complete fusion or for incomplete fusion, respectively. A large number of tritons were detected compared to the number of protons, which may be related to the widely studied exotic cluster structure and the isospin effect of 6He.
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