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首页> 外文期刊>Physical review letters >First Measurements of Spin-Dependent Double-Differential Cross Sections and the Gerasimov-Drell-Hearn Integrand from ~3He(γ,n)pp at Incident Photon Energies of 12.8 and 14.7 MeV
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First Measurements of Spin-Dependent Double-Differential Cross Sections and the Gerasimov-Drell-Hearn Integrand from ~3He(γ,n)pp at Incident Photon Energies of 12.8 and 14.7 MeV

机译：在12.8和14.7 MeV入射光子能量下，〜3He（γ，n）pp的自旋相关双微分截面和Gerasimov-Drell-Hearn积分的首次测量

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摘要

The first measurement of the three-body photodisintegration of longitudinally polarized ~3He with a circularly polarized γ-ray beam was carried out at the High Intensity γ-ray Source facility located at Triangle Universities Nuclear Laboratory. The spin-dependent double-differential cross sections and the contributions from the three-body photodisintegration to the ~3He Gerasimov-Drell-Hearn integrand are presented and compared with state-of-the-art three-body calculations at the incident photon energies of 12.8 and 14.7 MeV. The data reveal the importance of including the Coulomb interaction between protons in three-body calculations.
机译：纵向极化〜3He与圆极化γ射线束的三体光解体的首次测量是在位于三角大学核实验室的高强度γ射线源设备上进行的。给出了自旋相关的双微分截面以及三体光解离对〜3He Gerasimov-Drell-Hearn积分的贡献，并与最新的三体计算在入射光子能量下进行了比较。 12.8和14.7 MeV。数据揭示了在三体计算中包括质子之间的库仑相互作用的重要性。

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  • 来源
    《Physical review letters》 |2013年第20期|202501.1-202501.5|共5页
  • 作者

    G. Laskaris; Q. Ye; B. Lalremruata; Q. J. Ye; M. W. Ahmed; T. Averett; A. Deltuva; D. Dutta; A.C. Fonseca; H. Gao; J. Golak; M. Huang; H. J. Karwowski; J.M. Mueller; L.S. Myers; C. Peng; B. A. Perdue; X. Qian; P.U. Sauer; R. Skibiriski; S. Stave; J. R. Tompkins; H. R. Weller; H. Witala; Y. K. Wu; Y. Zhang; W. Zheng;

  • 作者单位

    Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA, Department of Physics, Duke University, Durham, North Carolina 27708, USA;

    Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA, Department of Physics, Duke University, Durham, North Carolina 27708, USA UMD, College Park, MD 20742, USA Mizoram University, Aizawl 796004, India;

    Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA, Department of Physics, Duke University, Durham, North Carolina 27708, USA;

    Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA, Department of Physics, Duke University, Durham, North Carolina 27708, USA;

    Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA, Department of Physics, Duke University, Durham, North Carolina 27708, USA, Department of Mathematics and Physics, North Carolina Central University, Durham, North Carolina 27707, USA;

    College of William and Mary, Williamsburg, Virginia 23187, USA;

    Centro de Fisica Nuclear da Universidade de Lisboa, P-1649-003 Lisboa, Portugal;

    Mississippi State University, Mississippi State, Mississippi 39762, USA;

    Centro de Fisica Nuclear da Universidade de Lisboa, P-1649-003 Lisboa, Portugal;

    Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA, Department of Physics, Duke University, Durham, North Carolina 27708, USA;

    M. Smoluchowski Institute of Physics, Jagiellonian University, PL-30059 Krakow, Poland;

    Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA, Department of Physics, Duke University, Durham, North Carolina 27708, USA;

    Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA, Department of Physics and Astronomy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA;

    Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA, Department of Physics, Duke University, Durham, North Carolina 27708, USA;

    Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA, Department of Physics, Duke University, Durham, North Carolina 27708, USA;

    Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA, Department of Physics, Duke University, Durham, North Carolina 27708, USA;

    Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA, Department of Physics, Duke University, Durham, North Carolina 27708, USA LANL, Los Alamos, NM 87544, USA;

    Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA, Department of Physics, Duke University, Durham, North Carolina 27708, USA Caltech, Pasadena, CA 91125, USA;

    Institut fuer Theoretische Physik, Leibniz Universitaet Hannover, D-30167 Hannover, Germany;

    M. Smoluchowski Institute of Physics, Jagiellonian University, PL-30059 Krakow, Poland;

    Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA, Department of Physics, Duke University, Durham, North Carolina 27708, USA PNNL, Richland, WA 99352, USA;

    Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA, Department of Physics and Astronomy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA MSU, East Lansing, MI 48824, USA;

    Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA, Department of Physics, Duke University, Durham, North Carolina 27708, USA;

    M. Smoluchowski Institute of Physics, Jagiellonian University, PL-30059 Krakow, Poland;

    Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA, Department of Physics, Duke University, Durham, North Carolina 27708, USA;

    Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA, Department of Physics, Duke University, Durham, North Carolina 27708, USA;

    Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA, Department of Physics, Duke University, Durham, North Carolina 27708, USA;

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  • 正文语种 eng
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  • 关键词

    photonuclear reactions; polarized and other targets;

    机译：光核反应;极化目标和其他目标;

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