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Sub-barrier fusion of weakly bound ~6Li with ~(58)Ni

机译:弱束〜6li的亚屏障融合与〜(58)ni

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摘要

Evaporation-proton yields were measured for the fusion of the weakly bound nucleus ~6Li on a ~(58)Ni target at six near- or sub-barrier bombarding energies. Effects of the one-neutron transfer reaction were estimated and corrections made. Total-fusion cross sections were deduced using calculated proton multiplicities. The resulting fusion excitation function shows a considerable enhancement with respect to calculations for a bare potential. Inelastic couplings are estimated to have insignificant effects on such fusion. The sum of total fusion plus one-neutron transfer cross sections nearly saturates the total reaction cross section in the energy region measured. Comparison with previous results appropriately scaled for the ~6Li + (~(59)Co, ~(64)Ni, ~(64)Zn) systems shows good consistency except for some data spread at the lower energies.
机译:测量蒸发 - 质子产率,测量弱结合的核〜6LI在六个近的或副间屏障轰击能量下对〜(58)Ni靶的融合。估计单中子转移反应的影响和校正。使用计算的质子多重地推断出总融合横截面。所得到的融合励磁函数示出了相当于裸势的计算的增强。估计无弹性联轴器对这种融合具有微不足道的影响。总熔融加上一个中子转移横截面的总和几乎使测量的能量区域中的总反应横截面达到饱和。与先前结果的比较适当缩放的〜6Li +(〜(59)Co,〜(64)Ni,〜(64)Zn)系统显示出良好的一致性,除了在较低的能量下传播一些数据。

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  • 来源
    《Physical Review C》 |2017年第2017期|024616.1-024616.9|共9页
  • 作者单位

    Departamento de Aceleradores Instituto Nacional de Investigaciones Nucleares Apartado Postal 18-1027 Codigo Postal 11801 Mexico Distrito Federal Mexico;

    Departamento de Aceleradores Instituto Nacional de Investigaciones Nucleares Apartado Postal 18-1027 Codigo Postal 11801 Mexico Distrito Federal Mexico;

    Departamento de Aceleradores Instituto Nacional de Investigaciones Nucleares Apartado Postal 18-1027 Codigo Postal 11801 Mexico Distrito Federal Mexico;

    Departamento de Aceleradores Instituto Nacional de Investigaciones Nucleares Apartado Postal 18-1027 Codigo Postal 11801 Mexico Distrito Federal Mexico;

    Departamento de Aceleradores Instituto Nacional de Investigaciones Nucleares Apartado Postal 18-1027 Codigo Postal 11801 Mexico Distrito Federal Mexico;

    Physics Department University of Notre Dame Notre Dame Indiana 46556-5670 USA;

    Physics Department University of Notre Dame Notre Dame Indiana 46556-5670 USA Physics Department University of South Dakota Vermillion SD 57069.;

    Physics Department University of Notre Dame Notre Dame Indiana 46556-5670 USA Department of Physics & Astronomy and Cyclotron Institute Texas A&M University College Station Texas 77843.;

    Physics Department University of Notre Dame Notre Dame Indiana 46556-5670 USA;

    Instituto de Fisica Universidade de Sao Paulo Rua do Matao 1371 05508-090 Sao Paulo Sao Paulo Brazil;

    Physics Department University of Michigan Ann Arbor Michigan 48109-1040 USA;

    Physics Department University of Minnesota Minneapolis MN 55455.;

    ICESS/Defense Threat Reduction Agency 8725 John J. Kingman Road Fort Belvoir VA 22060.;

    21st Century Oncology Inc. Suite 104 555 D ’onofrio Drive Madison WI 53719.;

    Bruker AXS Inc. 5465 East Cheryl Parkway Fitchburg WI 53711 Physics Department University of Michigan Ann Arbor Michigan 48109-1040 USA;

    Physics Division Oak Ridge National Laboratory Oak Ridge Tennessee 37830 USA;

    Department of Physics Hope College Holland Michigan 49423- 9000 USA;

    Universidad Autonoma del Estado de Mexico Codigo Postal 50000 Toluca Mexico;

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