Narrowing the Gap Between Theory and Evaluations: Angular Momentum Distributions in Fission Fragments
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866916058741342208 |
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| author | Marević, Petar Schunck, Nicolas Verriere, Marc |
| author_facet | Marević, Petar Schunck, Nicolas Verriere, Marc |
| contents | We present a microscopic framework for predicting angular momentum distributions over the full range of fission fragment masses and charges. For the neutron-induced fission of $^{235}$U and $^{239}$Pu, the obtained distributions exhibit a pronounced sawtooth pattern in average values, reveal a substantial isobaric dependence, and reproduce experimental photon multiplicities without adjustable parameters. These results demonstrate that microscopic theory is gradually becoming quantitatively competitive with phenomenological models. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_29404 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Narrowing the Gap Between Theory and Evaluations: Angular Momentum Distributions in Fission Fragments Marević, Petar Schunck, Nicolas Verriere, Marc Nuclear Theory Nuclear Experiment We present a microscopic framework for predicting angular momentum distributions over the full range of fission fragment masses and charges. For the neutron-induced fission of $^{235}$U and $^{239}$Pu, the obtained distributions exhibit a pronounced sawtooth pattern in average values, reveal a substantial isobaric dependence, and reproduce experimental photon multiplicities without adjustable parameters. These results demonstrate that microscopic theory is gradually becoming quantitatively competitive with phenomenological models. |
| title | Narrowing the Gap Between Theory and Evaluations: Angular Momentum Distributions in Fission Fragments |
| topic | Nuclear Theory Nuclear Experiment |
| url | https://arxiv.org/abs/2605.29404 |