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Chinese Physics C> 1984, Vol. 8> Issue(6) : 699-706 

THE MICROSCOPIC DESCRIPTION OF 3He(π－,n)2H REACTION AT 100—300MeV

  • The Isobar model of G.E.Brown et al. for π-nucleus scattering is extended to describe the (π, N) reactions at intermediate energies. The many-body effects are treated by using a phenomenological approximation. The influences of some factors upon the differential reaction cross sections are investigated. These include nonstatic correction, nucleon correlation wavefunction and distorted effect of the outgoing nucleon. The angular distributions of 3He(π－,n)2H reaction at 100—300MeV are calculated. The theoretical calculations are essentially consistent with experiments.
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    [1] G. E. Brown and W. Weise, Phys. Reports, 22C (1975), 279.[2] 张宗烨等, 高能物理与核物理, 4(1980), 256.[3] A. Reitan, Nuclear and Particle Physics at Intermediate Energies, (1975), 393.[4] M. Bolsterli et al., Phys. Rev., 10C (1974), 1225.[5] J. Kallne et al., Phys. Rev., 24C(1981), 1102.[6] J. Kallne et al., Phys. Lett., 103B(1981), 13.[7] Yoshio Yamaguchi, Phys. Rev., 95(1954), 1635.[8] 于祖荣, 内部资料.[9] A. Ashrnove, Proc. Phys. Soc., A70(1957), 745.[10] M. Giffon, Nuovo Cimento, 27A (1975), 85.[11] H. W. Fearing, Phys. Rev., 11C(1975), 1210.[12] J. E. Elias et al., Phys. Rev., 177(1969), 2075.[13] 张宗烨, 刘波, Scientia sinia, 24 (1981), 1031.

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XU Xiang-Yuan, CHEN Xue-Jun and LIU Xian-Hui. THE MICROSCOPIC DESCRIPTION OF 3He(π－,n)2H REACTION AT 100—300MeV[J]. Chinese Physics C, 1984, 8(6): 699-706.
XU Xiang-Yuan, CHEN Xue-Jun and LIU Xian-Hui. THE MICROSCOPIC DESCRIPTION OF 3He(π－,n)2H REACTION AT 100—300MeV[J]. Chinese Physics C, 1984, 8(6): 699-706. shu
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Received: 1900-01-01
Revised: 1900-01-01
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THE MICROSCOPIC DESCRIPTION OF 3He(π－,n)2H REACTION AT 100—300MeV

    Corresponding author: XU Xiang-Yuan,
  • Received Date: 1900-01-01
  • Accepted Date: 1900-01-01
  • Available Online: 1984-12-05

Abstract: The Isobar model of G.E.Brown et al. for π-nucleus scattering is extended to describe the (π, N) reactions at intermediate energies. The many-body effects are treated by using a phenomenological approximation. The influences of some factors upon the differential reaction cross sections are investigated. These include nonstatic correction, nucleon correlation wavefunction and distorted effect of the outgoing nucleon. The angular distributions of 3He(π－,n)2H reaction at 100—300MeV are calculated. The theoretical calculations are essentially consistent with experiments.

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