Catapult neutrons from neck snapping in fission
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arXiv
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| Hauptverfasser: | , , |
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| Format: | Preprint |
| Veröffentlicht: |
2026
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| _version_ | 1866911586802728960 |
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| author | Randrup, Jørgen Capote, Roberto Vogt, Ramona |
| author_facet | Randrup, Jørgen Capote, Roberto Vogt, Ramona |
| contents | Dynamical fission calculations show that the post-scission configurations resemble two collinear pear-shaped fragments whose juxtaposed surface bulges subside relatively quickly, as the fragments acquire smoother shapes. The associated rapid speed of the healing bulge surface may boost nucleons in the fragment to energies sufficient for emission. The present study explores this mechanism by following the fate of nucleons that are reflected off the inwards moving bulge surface. The simulations suggest that the mechanism may produce high-energy neutrons at the level of a few per cent. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_10790 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Catapult neutrons from neck snapping in fission Randrup, Jørgen Capote, Roberto Vogt, Ramona Nuclear Theory Dynamical fission calculations show that the post-scission configurations resemble two collinear pear-shaped fragments whose juxtaposed surface bulges subside relatively quickly, as the fragments acquire smoother shapes. The associated rapid speed of the healing bulge surface may boost nucleons in the fragment to energies sufficient for emission. The present study explores this mechanism by following the fate of nucleons that are reflected off the inwards moving bulge surface. The simulations suggest that the mechanism may produce high-energy neutrons at the level of a few per cent. |
| title | Catapult neutrons from neck snapping in fission |
| topic | Nuclear Theory |
| url | https://arxiv.org/abs/2604.10790 |