THE COULOMB DISINTEGRATION CROSS-SECTIONS AND DECAY RATE OF THE RELATIVISTIC ELECTROMAGNETIC BOUND STATES (π±μ干) AND (K±μ干)

SONG XIAO-TONG; CHING CHENG-RUI

Chinese Physics C> 1982, Vol. 6> Issue(4) : 394-400

THE COULOMB DISINTEGRATION CROSS-SECTIONS AND DECAY RATE OF THE RELATIVISTIC ELECTROMAGNETIC BOUND STATES (π^±μ^干) AND (K^±μ^干)

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Abstract：
In this paper, the disintegration energy spectrum and Cross sections of the highenergy (π^±μ^干) and (K^±μ^干) atoms in screened. conlomb field are calculated usingperturbation expansion of the quantized composite field theory and relativistic B. S.wave functions of (π^±μ^干) and (K^±μ^干) In the extrarelativistic approximation,for a majority of atomic nucleus the disintegration Cross-sections of (π^±μ^干) and (K^±μ^干) are about 10^-15 cm² and 10^-17 cm² respectively. Furthermore, using the same B.S. wave functions above, the decay rate of(π^±μ^干)→π⁰+v_μ(v_μ); K^±μ^干)→K⁰+v_μ(v_μ) and π^±μ^干)→μ⁺+μ^-+v_μ(v_μ(K^±μ^干)→μ⁺+μ^-+v_μ(v_μ) are calculated.

References

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张肇西、何炬、何柞庥,中国科学,6(1979),572.[2] Ching Cheng-rui,Ho Tso-heiu, Chang Chao-hsi, Physics Letters, 98B(1981), 456.[3] 何柞庥,张旅西、黄涛物理学报,25(1976),215.[4] 庆承瑞,高能物理与核柳理,4(1980),337.[5] Y. S. Teai, Rev. Mod. Phys, 46(1974), 815. G. Moliere, Z. Naturfurech, A2(1947), 133.[6] R.E. Marahak, Riazuddin and C. P.Ryan, Theor of Weak Interactions in Particle physics, Wiley-Interscience, 1969.[7] M. M. Nagels et al., Nucl. Phys., B147(1979), 189.

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SONG XIAO-TONG and CHING CHENG-RUI. THE COULOMB DISINTEGRATION CROSS-SECTIONS AND DECAY RATE OF THE RELATIVISTIC ELECTROMAGNETIC BOUND STATES (π^±μ^干) AND (K^±μ^干)[J]. Chinese Physics C, 1982, 6(4): 394-400.

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Received: 1980-02-20
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

THE COULOMB DISINTEGRATION CROSS-SECTIONS AND DECAY RATE OF THE RELATIVISTIC ELECTROMAGNETIC BOUND STATES (π^±μ^干) AND (K^±μ^干)

Received Date: 1980-02-20
Accepted Date: 1900-01-01
Available Online: 1982-08-05

Abstract: In this paper, the disintegration energy spectrum and Cross sections of the highenergy (π^±μ^干) and (K^±μ^干) atoms in screened. conlomb field are calculated usingperturbation expansion of the quantized composite field theory and relativistic B. S.wave functions of (π^±μ^干) and (K^±μ^干) In the extrarelativistic approximation,for a majority of atomic nucleus the disintegration Cross-sections of (π^±μ^干) and (K^±μ^干) are about 10^-15 cm² and 10^-17 cm² respectively. Furthermore, using the same B.S. wave functions above, the decay rate of(π^±μ^干)→π⁰+v_μ(v_μ); K^±μ^干)→K⁰+v_μ(v_μ) and π^±μ^干)→μ⁺+μ^-+v_μ(v_μ(K^±μ^干)→μ⁺+μ^-+v_μ(v_μ) are calculated.