SPECTROSCOPIC FACTOR OF π－ NUCLEUS DOUBLE CHARGE EXCHANGE REACTION AND 26Mg(π+, π－)26Si REACTION

LI Yang-Guo; LIU Xian-Hui

Chinese Physics C> 1984, Vol. 8> Issue(6) : 712-719

SPECTROSCOPIC FACTOR OF π^－ NUCLEUS DOUBLE CHARGE EXCHANGE REACTION AND ²⁶Mg(π⁺, π^－)²⁶Si REACTION

LI Yang-Guo ^, ,
LIU Xian-Hui

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Abstract：
The strength of π-nucleus double charge exchange reaction is related to the spectroscopic factor of two nucleon transfer. In this paper, the relationship between the reaction amplitude and the spectroscopic factors is discussed. As an example, two kinds of nuclear structure are used in discussing the excitation function and the differential cross section of ²⁶Mg(π⁺, π^－)²⁶Si. It is shown that the theoretical method can explain the exprimental data.

References

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S. G. Green et al. 8th Inter. Conf on Higk Energy and Nuclear Structure. 1979 IE23.[2] G.R. Burleson. "Workshop on Nuclear Structure with Intermediate-Energy Probeem", LA-8303-C(1980) 195 L. C. Liu, Phys. Rev, C27(1983) 1611.[3] 刘宪辉, 吴宗恩, 黄朝晖, 李扬国, Scientia Siniea,24(81), 789;高能物理与核物理, 5(1981),157.[4] 刘宪辉, 李扬国, 高能物理与核物理, 7(1983), 197,[5] C. H. Q. Ingran, Nucl. Phys., A374 (1982), 319[6] 李扬国, 陈生忠, 物理学报, 21(1965), 961,[7] 李扬国, 物理学报, 21(1965), 720.[8] π-N Partial-Wave Amplitudes UCRL-20030 8 (1970).[9] 刘宪辉, 李扬国, 高能物理与核物理, 6(1982), 292,[10] 刘波, 姜焕清, 高能物理与核物理, 6(1982), 595, 及其所引文献.

[1]	P.S. Prusachenko , D.N. Grozdanov , N.A. Fedorov , Yu.N. Kopatch , G.V. Pampushik , P.I. Kharlamov , V.R. Skoy , I.N. Ruskov , T.Yu. Tretyakova , A.V. Andreev , C. Hramco , P.G. Filonchik , TANGRA collaboration . Measurement of the differential and total cross-sections of γ-ray emission induced by 14.1 MeV neutrons for C, Al, Si, Ca, Ti, Cr, and Fe using the tagged neutron method. Chinese Physics C, 2026, 50(3): 1-20.
[2]	Yu-Wen Chen , Yun-Ju Li , Bing Guo , Sheng-Quan Yan , Chao Dong , Dan-Yang Pang , Guo Yang , Yang Zhang , Yu-Qiang Zhang , Jun-Wen Tian , Jia-Ying-Hao Li , Fu-Qiang Cao , Wei Nan , Jiang-Lin Hou , Ming-Hao Zhu , Zhi-Cheng Zhang , Chang-Xin Guo , Chen Chen , Yu-Chen Jiang , Yang-Ping Shen , Zhi-Hong Li , You-Bao Wang , Sheng Zeng , Wei-Ping Liu . New determination of astrophysical ²⁶Mg(p, γ)²⁷Al reaction rate through the ²⁶Mg(⁷Li, ⁶He)²⁷Al transfer reaction. Chinese Physics C, 2026, 50(3): 1-7. doi: 10.1088/1674-1137/ae1f06
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LI Yang-Guo and LIU Xian-Hui. SPECTROSCOPIC FACTOR OF π^－ NUCLEUS DOUBLE CHARGE EXCHANGE REACTION AND ²⁶Mg(π⁺, π^－)²⁶Si REACTION[J]. Chinese Physics C, 1984, 8(6): 712-719.

LI Yang-Guo and LIU Xian-Hui. SPECTROSCOPIC FACTOR OF π^－ NUCLEUS DOUBLE CHARGE EXCHANGE REACTION AND ²⁶Mg(π⁺, π^－)²⁶Si REACTION[J]. Chinese Physics C, 1984, 8(6): 712-719. 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

SPECTROSCOPIC FACTOR OF π^－ NUCLEUS DOUBLE CHARGE EXCHANGE REACTION AND ²⁶Mg(π⁺, π^－)²⁶Si REACTION

LI Yang-Guo ^,
LIU Xian-Hui

Corresponding author: LI Yang-Guo,

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1984-12-05

Abstract: The strength of π-nucleus double charge exchange reaction is related to the spectroscopic factor of two nucleon transfer. In this paper, the relationship between the reaction amplitude and the spectroscopic factors is discussed. As an example, two kinds of nuclear structure are used in discussing the excitation function and the differential cross section of ²⁶Mg(π⁺, π^－)²⁶Si. It is shown that the theoretical method can explain the exprimental data.