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The Two-Nucleon Mechanism for the Neutrinoless Double Beta Decay and the BCS Nuclear Wave Function |
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| Authors: | Zhong-Jin LIN You-Ping GAN De-Ji FU Hui-Fang WU Chong-En WU |
| Institution: | 1. Department of Physics, Xiamen University, Xiamen 361005, China; 2. Department of Physics, Guangxi University, Nanning 530004, China; 3. Shanghai Institute of Nuclear Research, Academia Sinica, Shanghai 201800, China; 4. Institute of High Energy Physics, Academia Sinica, Beijing 100039, China |
| Abstract: | A method of using the Bardeen-Cooper-Schrieffer (BCS) nuclear wave function to treat the two-nucleon mechanism for neutiinoless double beta decay process 0+ → 0+ is proposed.The neutrinoless decay mode and the neutrinoless decay accompanied by a Majoron emission mode of 82Se are studikd. Our cdculated results show that to reproduce the experimental value of γ(ov) > 1.8 × 1022 yr for neutrinoless double beta decai of 82Se the Majorana neutrino mass mv < 6.2 eV and the mixing parameter of right-handed current η < 7.0 × 10-6 In the emission with a Majoron mode the effective Majoron coupling to neutrino is deduced from the experimental value of γ(ov,H) > 4.4 × 1020 yr for 82Se with the result H0> < 6.2 × 10-4. |
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