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Chinese Physics C> 1985, Vol. 9> Issue(1) : 46-54 

ELASTIC SCATTERING OF K± MESONS BY 40—48Ca AND THE ANALYSIS OF NEUTRON DISTRIBUTIONS

  • The differential cross sections of the elastic scattering of K±on 40—48Ca are calculated in the framework of eikonal approximation. The theoretical values obtained by using different parameters are compared. Through adjusting the parameters of the neutron distribution, the improvement of the coincidence between the theoretical values and the experimental data is arrived. The result shows that the r.m.s radius of the neutron distribution of 40Ca is smaller than that of the proton. (about 0.15fm smaller) and the surface thickness of the neutron distribution of 40Ca is thinner than that of proton. This is consistent with the results of computation made by H.F. method and agrees with the analysis of elastic scaatering of protons in the mediate energy on 40Ca by other authors.
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    [1] H. J. Enrich et aI. Nucl. Phys., A396 401C (1983); I. Sick et al. Phys. Lett., 88B (1979), 245;Proc. of the Karlsruhe International Discussion Meetting 1979 ed by H. Rebel, H. J. Gils, G.Schatz[2] G. D. Alkhazov et aL. Nucl. Phys, A274 (1976),443;G. D. Aikhazov et al. Nucl. Phys., A280(1977 ), 365; G. D. Alkhazov et al. Nucl. Phys.,A381 (1982 ), 430.[3] L.Ray,G.W. Hoffmatm et aI. Phys. Rev., C23 (1981), 828.[4] E.Friedman, H. J. Gils et aI. Phys. Rev., C21(1980), 1551.[5] C. N. Papatucoias et al. Phys. Rev, C25 (1982), 1296; Chaumeanx et al. Phys. Lett., 72B (1977), 33; Ann. Phys. 116 (1979), 247; S. Shiomo et al. Phys. Lett., 83B(1979), 5;I.Birssaud et al. Phys.Lett., 86B(1979), 141;H. J. Gils et al. Phys. Rev.,C21(1980), 1245.[6] M. L. Goldberger, K. M. Watson: Collision theory 1964.[7] D. Marlow et al. Phys. Rev., C25 (1982), 2619.[8] H. J. Gils et al. Phys. Rev, C21 (1980), 1245.[9] B. R. Martin Nucl. Phys., B94 (1975), 413.[10] G. Giacoinelli et al, Nucl. .Phys., B71 (1974 ), 138.[11] M. Alston-Garnjost et al. Phys. Rev., D18 (1978), 182.[12] C. P. Gopal et al. Nucl. Phys., B119 (1977), 362.[13] S. R. Cotouch Phys. Rev., C23 (1981), 807.[14] P. L. Hallowell et al. Phys. Rev., C7 (1973), 1396.[15] C. Gustafsson, E. Lambert Ann. Phys., 111(1978), 304.[16] C. N. Papanicdas et al. Phys. Rev., C25 (1982), 1296.

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KONG Ling-Jiang, KONG Fan-Xin and LIU Xian-Hui. ELASTIC SCATTERING OF K± MESONS BY 40—48Ca AND THE ANALYSIS OF NEUTRON DISTRIBUTIONS[J]. Chinese Physics C, 1985, 9(1): 46-54.
KONG Ling-Jiang, KONG Fan-Xin and LIU Xian-Hui. ELASTIC SCATTERING OF K± MESONS BY 40—48Ca AND THE ANALYSIS OF NEUTRON DISTRIBUTIONS[J]. Chinese Physics C, 1985, 9(1): 46-54. shu
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Received: 1900-01-01
Revised: 1900-01-01
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ELASTIC SCATTERING OF K± MESONS BY 40—48Ca AND THE ANALYSIS OF NEUTRON DISTRIBUTIONS

    Corresponding author: KONG Ling-Jiang,
  • Received Date: 1900-01-01
  • Accepted Date: 1900-01-01
  • Available Online: 1985-02-05

Abstract: The differential cross sections of the elastic scattering of K±on 40—48Ca are calculated in the framework of eikonal approximation. The theoretical values obtained by using different parameters are compared. Through adjusting the parameters of the neutron distribution, the improvement of the coincidence between the theoretical values and the experimental data is arrived. The result shows that the r.m.s radius of the neutron distribution of 40Ca is smaller than that of the proton. (about 0.15fm smaller) and the surface thickness of the neutron distribution of 40Ca is thinner than that of proton. This is consistent with the results of computation made by H.F. method and agrees with the analysis of elastic scaatering of protons in the mediate energy on 40Ca by other authors.

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