ON THE COULOMB DISINTEGRATIONS OF ATOMS （e+e-） AND （μ+μ-）

Qing Cheng-rui

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2024年10月30日

Chinese Physics C> 1980, Vol. 4> Issue(3) : 337-343

ON THE COULOMB DISINTEGRATIONS OF ATOMS （e⁺e^-） AND （μ⁺μ^-）

Qing Cheng-rui

Institute of Theoretical Physics,Academia Sinica

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Abstract：
The cross sections and energy spectra of the Coulomb disintegration of （e⁺e^-） and（μ⁺μ^-）at high energies are calculated by using the perturbation expansion of com-posite field theory [1] and the approximate covariant solution to Bethe-salpeter equa-tion with Coulomb potential and spin 1/2, -1/2^[2] . The cross sections of disintegrationof （e⁺t^-） are about 20% less than the cross sections calculated by others [3]. Be-sides; the results obtained in this paper indicate that the cross sections of coulomb di-sintegration of （e⁺e^-） or （μ⁺μ^-） at high energies in singlet state and triplet stateare equal exactly, while in [3] this oicurs only when n=2, and when n=1 the dif-ferenles betwees the rross sections in the two states are about 25%. It is very likelythat there were some mistakes in these calculutions.

References

[1]

何柞庥、张肇西、黄涛,物理学报,25 (1976), 215;何柞床、张肇西、黄涛,物理学报,26 (1977), 540.[2] 何炬、张肇西、何柞麻,高能物理与核物理,3(1979).[4] 何炬、张肇西、何柞麻,高能物理与核物理,3(1979),117.[5] A. A. Axyндoв et al., Я. Ф.,27(1878), 1542.[6] 张肇西、何柞庥、高能物理与核物理,2(1978),119.[7] Y. S. Tzai, Rev,, Mod. Phys., 46(1974), 815.[8] G. Moliere, Z. Naturforsch, A2(1947), 133.

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Qing Cheng-rui. ON THE COULOMB DISINTEGRATIONS OF ATOMS （e⁺e^-） AND （μ⁺μ^-）[J]. Chinese Physics C, 1980, 4(3): 337-343.

Qing Cheng-rui. ON THE COULOMB DISINTEGRATIONS OF ATOMS （e⁺e^-） AND （μ⁺μ^-）[J]. Chinese Physics C, 1980, 4(3): 337-343. shu

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Received: 1979-03-22
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

ON THE COULOMB DISINTEGRATIONS OF ATOMS （e⁺e^-） AND （μ⁺μ^-）

Qing Cheng-rui

Institute of Theoretical Physics,Academia Sinica

Received Date: 1979-03-22
Accepted Date: 1900-01-01
Available Online: 1980-06-05

Abstract: The cross sections and energy spectra of the Coulomb disintegration of （e⁺e^-） and（μ⁺μ^-）at high energies are calculated by using the perturbation expansion of com-posite field theory [1] and the approximate covariant solution to Bethe-salpeter equa-tion with Coulomb potential and spin 1/2, -1/2^[2] . The cross sections of disintegrationof （e⁺t^-） are about 20% less than the cross sections calculated by others [3]. Be-sides; the results obtained in this paper indicate that the cross sections of coulomb di-sintegration of （e⁺e^-） or （μ⁺μ^-） at high energies in singlet state and triplet stateare equal exactly, while in [3] this oicurs only when n=2, and when n=1 the dif-ferenles betwees the rross sections in the two states are about 25%. It is very likelythat there were some mistakes in these calculutions.