中能区丰中子核11Li的反应总截面的测量
중능구봉중자핵11Li적반응총절면적측량
Measurement of Total Reaction Cross Section for Neutron-Rich Nucleus 11Li on 28Si Target at Medium Energy
  • 万方数据
    高能物理与核物理 고능물리여핵물리
    HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS
    2007年 12期 1102-1105 ,共4页

    李琛%叶沿林%詹文龙%肖国青%徐瑚珊%郭忠言%王建松%孙志宇%李加兴%王猛%陈志强%江栋兴%郑涛%华辉%李智焕%李湘庆%葛愉成%庞丹阳%楼建玲%卢飞%范凤英%吕林辉

    리침%협연림%첨문룡%초국청%서호산%곽충언%왕건송%손지우%리가흥%왕맹%진지강%강동흥%정도%화휘%리지환%리상경%갈유성%방단양%루건령%로비%범봉영%려림휘

    Glauber模型%透射法%反应总截面 Glauber模型%透射法%反應總截麵
    Glauber모형%투사법%반응총절면
    Glauber model%transmission method%total reaction cross section
    利用HIRFL提供的50MeV/u的13C束流轰击Be靶,通过RIBLL选择出放射性核素11Li.实验采用透射法测量了25-45MeV/u的11Li在28Si靶上的反应总截面.采用双参数Gauss密度分布形式,利用Glauber模型很好地拟合了高能和中能区的11Li实验数据,并从密度分布中提取了核的物质均方根半径.
    이용HIRFL제공적50MeV/u적13C속류굉격Be파,통과RIBLL선택출방사성핵소11Li.실험채용투사법측량료25-45MeV/u적11Li재28Si파상적반응총절면.채용쌍삼수Gauss밀도분포형식,이용Glauber모형흔호지의합료고능화중능구적11Li실험수거,병종밀도분포중제취료핵적물질균방근반경.
    The neutron-rich nucleus 11Li is separated by the radioactive ion beam line RIBLL at HIRFL from the breakup of 50MeV/u 13C on Be target. The total reaction cross sections for 11Li at energies range from 25 to 45MeV/u on Si target have been measured by using the transmission method. The experimental data at high and low energies can be fitted well by Glauber model using two Gauss density distribution. The matter radius of 11Li was also deduced.
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