DENSITY MATRIX DEPENDENCE OF PAULI CORRECTIONS TO THE PION-NUCLEUS OPTICAL POTENTIAL

ZOU Bing-Song; JIANG Huan-Qing

Chinese Physics C> 1987, Vol. 11> Issue(2) : 218-225

DENSITY MATRIX DEPENDENCE OF PAULI CORRECTIONS TO THE PION-NUCLEUS OPTICAL POTENTIAL

ZOU Bing-Song ^, ,
JIANG Huan-Qing

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Abstract：
We examine how the density matrix affects the Pauli corrections to the pion-nucleus optical potential in the region of the Δ₃₃ resonance,i.e. for pion kinetic energies of 50～300MeV. Four different approaches-shell Model with harmonic oscillator wave functions, uniform, local and revised local Fermi-Gas models-are used to calculate the density matrix.

References

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Proceedings of the LAMPF Workshop on-Pion Double Charge Exchange (1985,1).[2] M.B. Johnson and D. J. Ernst, Phys. Rev., C27(1983), 709.[3] M. B. Johnson and E. R. Siciliano, Phys. Rev., G'27(1983), 730.[4] H.C. Chiang and M. B. Johnson, Phys. Rev., C32(1985), 531.[5] M. B. Johnson, is Proc. of Int. Summer School on the N-N interaction and Many-Body Physics, WorlScientific, Singapore (1983).[6] M. B. Johnson, Phys. Rev., C22(1980), 192.[7] J. W. Negele and D. Vauthera, Phys. Rev., C5(1972), 1477.[8] J. Hufner and M. C. Nemea, Phys. Rev., G2S(1981), 2538.[9] G. Rowe, M. Salomon, and R. H. Landau, Phys. Rev C18(1978), 584.[10] J. C. Slater, "Quantum Theory is Atomic Structure"中译本《原子结构中的t子理论》[11] H. A. Bethe, Ann. Rev: Nucl, Sci., Vol, 21(1971), 93.[12] Y. C. Lin, Nucl. Phys., A140(1969), 359.[13] T. A. Brody and M. Moshiasky, Table of Transformation Brackets (1967).[14] E. C. Halbert, et al., Adv. Nucl Phys., Vol. 4(1971), 315.

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ZOU Bing-Song and JIANG Huan-Qing. DENSITY MATRIX DEPENDENCE OF PAULI CORRECTIONS TO THE PION-NUCLEUS OPTICAL POTENTIAL[J]. Chinese Physics C, 1987, 11(2): 218-225.

ZOU Bing-Song and JIANG Huan-Qing. DENSITY MATRIX DEPENDENCE OF PAULI CORRECTIONS TO THE PION-NUCLEUS OPTICAL POTENTIAL[J]. Chinese Physics C, 1987, 11(2): 218-225. shu

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Received: 1900-01-01
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

DENSITY MATRIX DEPENDENCE OF PAULI CORRECTIONS TO THE PION-NUCLEUS OPTICAL POTENTIAL

ZOU Bing-Song ^,
JIANG Huan-Qing

Corresponding author: ZOU Bing-Song,

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1987-04-05

Abstract: We examine how the density matrix affects the Pauli corrections to the pion-nucleus optical potential in the region of the Δ₃₃ resonance,i.e. for pion kinetic energies of 50～300MeV. Four different approaches-shell Model with harmonic oscillator wave functions, uniform, local and revised local Fermi-Gas models-are used to calculate the density matrix.