THE CALCULATION OF 2v ββ NUCLEAR MATRIX ELEMENT

FU De-Ji; GAN You-Ping

Chinese Physics C> 1987, Vol. 11> Issue(4) : 549-553

THE CALCULATION OF 2v ββ NUCLEAR MATRIX ELEMENT

FU De-Ji ^, ,
GAN You-Ping

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Abstract：
The nuclear structure part of the 2v mode ββ decay of ⁸²Se and ¹³⁰Te are calculated by quasiparticle Tamm-Dancoff Approximation treating the Gamow-Teller transitions to the intermediate odd-odd nucleus and the single particle configurations generated from Skyrme force(Ⅲ) Hartree-Fock procedure. With the relevant paring effect and correct dealing with both initial and final state, the nuclear matrix element observed experimentally can be reproduced satisfactorily.

References

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W. C. Haxton and G. J. Stephenson, Jr. Prog. Part. Nucl. Phys, 12(1984), 409.吴慧芳, 黄涛, 自然杂志, 9(1986),.167.[2] P. Vogel and P. Fisher, Phys. Rev, C32 (1985), 1362.[3] H. V. Klapdor and K. Grotz, Phys. Lett. B142(1984), 323.M. Doi et al., Prog. theor. Phys, 69(1983), 602.[4] C. Gaarde et al., Nucl. Phys, A369(1981), 258.[5] A. H. Wapstra and N. B. Gove, Nucl. Data Table, 9(1971), 265.[6] I. Hamarnoto and P. Siemens, Nucl. Phys., A269(1976), 199.[7] P. F. Bortignon et al., Phys. Lett., B108 (1982), 247.

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FU De-Ji and GAN You-Ping. THE CALCULATION OF 2v ββ NUCLEAR MATRIX ELEMENT[J]. Chinese Physics C, 1987, 11(4): 549-553.

FU De-Ji and GAN You-Ping. THE CALCULATION OF 2v ββ NUCLEAR MATRIX ELEMENT[J]. Chinese Physics C, 1987, 11(4): 549-553. 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

THE CALCULATION OF 2v ββ NUCLEAR MATRIX ELEMENT

FU De-Ji ^,
GAN You-Ping

Corresponding author: FU De-Ji,

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1987-08-05

Abstract: The nuclear structure part of the 2v mode ββ decay of ⁸²Se and ¹³⁰Te are calculated by quasiparticle Tamm-Dancoff Approximation treating the Gamow-Teller transitions to the intermediate odd-odd nucleus and the single particle configurations generated from Skyrme force(Ⅲ) Hartree-Fock procedure. With the relevant paring effect and correct dealing with both initial and final state, the nuclear matrix element observed experimentally can be reproduced satisfactorily.