$B(E2;2^{+}_{1}\rightarrow0^{+}_{1})$ anomaly in $^{166}$Os
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866911144779710464 |
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| author | Zhang, Chen-guang Jin, Suo-chang Wang, Tie Wang, Tao |
| author_facet | Zhang, Chen-guang Jin, Suo-chang Wang, Tie Wang, Tao |
| contents | Recently, the very small $B(E2;2_{1}^{+}\rightarrow0_{1}^{+})$ value was found in $^{166}$Os, which is 7(4) W.u. \textbf{and} much smaller than the values of adjacent nuclei $^{168,170}$Os, 74(13) W.u. and 97(9) W.u.. With the help of a new technique ``SU(3) analysis" and a new explanatory framework of the B(E2) anomaly, it was found that, the $B(E2;2_{1}^{+}\rightarrow0_{1}^{+})$ anomaly really can exist. In this paper, we discuss the $B(E2;2_{1}^{+}\rightarrow0_{1}^{+})$ anomaly in $^{166}$Os for the first time. Four results are used to fit the experimental data in $^{166,168,170}$Os successfully. This implies that the level-crossing or level-anticrossing explanation is more reasonable. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_07692 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | $B(E2;2^{+}_{1}\rightarrow0^{+}_{1})$ anomaly in $^{166}$Os Zhang, Chen-guang Jin, Suo-chang Wang, Tie Wang, Tao Nuclear Theory Recently, the very small $B(E2;2_{1}^{+}\rightarrow0_{1}^{+})$ value was found in $^{166}$Os, which is 7(4) W.u. \textbf{and} much smaller than the values of adjacent nuclei $^{168,170}$Os, 74(13) W.u. and 97(9) W.u.. With the help of a new technique ``SU(3) analysis" and a new explanatory framework of the B(E2) anomaly, it was found that, the $B(E2;2_{1}^{+}\rightarrow0_{1}^{+})$ anomaly really can exist. In this paper, we discuss the $B(E2;2_{1}^{+}\rightarrow0_{1}^{+})$ anomaly in $^{166}$Os for the first time. Four results are used to fit the experimental data in $^{166,168,170}$Os successfully. This implies that the level-crossing or level-anticrossing explanation is more reasonable. |
| title | $B(E2;2^{+}_{1}\rightarrow0^{+}_{1})$ anomaly in $^{166}$Os |
| topic | Nuclear Theory |
| url | https://arxiv.org/abs/2509.07692 |