Chinese Physics C > 1980, Vol. 4 > Issue(3): 394-397

π-NUCLEAR DOUBLE CHARGE EXCHANGE REACTION AND NUCLEAR STRUCTURE

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Abstract：
Using Glauber's multiple scattering theory, and using coherent fluctuation nuclearmodel, the double charge exchange (DEC) reaction cross sections for πon ¹⁶O and ¹⁸Ohave been calculated. The calculated values of the ratio of σ( ¹⁸O( π ⁺, π ^-) ¹⁸Ne) _g.s.toσ( ¹⁶O( π ⁺, π ^-) ¹⁶Ne) _g.s. fit the experimental data quite well. Just as predicted by ourcalculation, the angular distribution of ¹⁸O( π ⁺, π ^-) ¹⁸Ne _g.s.in a recent experiment,exhibits an evident dip around 23°.

References

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R. L, Burman et al., Phys. Rev., C17(1978), 1774.[2] T. Mark et al., Phys. Rev., 38(1977),149[3] R. J. Holt et al., Phys. Lett., 69B(1977), 55.[4] P. Perrin et al., Phys. Lett., 63B(1977), 301.[5] S. J. Greene et al., Proo. of the 8th Intxrn. Conf. on High Energy Phys. and Nmcl. Structure.,(1979), 1E23.[6] 李扬国、刘宪辉、马维兴,中国科学,18(1975),38.[7] 张宗烨等,物理学报,26(1977),54.[8] J.M.Mckinley, Rev. Mod. Phys., 35(1963), 788.

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Liu Xian-hui, Wu Zong-en, Huang Chao-hui and Li Yang-guo. π-NUCLEAR DOUBLE CHARGE EXCHANGE REACTION AND NUCLEAR STRUCTURE[J]. Chinese Physics C, 1980, 4(3): 394-397.

Liu Xian-hui, Wu Zong-en, Huang Chao-hui and Li Yang-guo. π-NUCLEAR DOUBLE CHARGE EXCHANGE REACTION AND NUCLEAR STRUCTURE[J]. Chinese Physics C, 1980, 4(3): 394-397. shu

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Received: 1979-09-24
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

π-NUCLEAR DOUBLE CHARGE EXCHANGE REACTION AND NUCLEAR STRUCTURE

Received Date:1979-09-24
Accepted Date:1900-01-01
Available Online:1980-06-05

Abstract:Using Glauber's multiple scattering theory, and using coherent fluctuation nuclearmodel, the double charge exchange (DEC) reaction cross sections for πon¹⁶O and¹⁸Ohave been calculated. The calculated values of the ratio of σ(¹⁸O(π⁺,π^-)¹⁸Ne)_g.s.toσ(¹⁶O(π⁺,π^-)¹⁶Ne)_g.s. fit the experimental data quite well. Just as predicted by ourcalculation, the angular distribution of¹⁸O(π⁺,π^-)¹⁸Ne_g.s.in a recent experiment,exhibits an evident dip around 23°.