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Low energy structures in nuclear reactions with 4n in the final state

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arxiv 2207.07575 v2 pith:PNIX5BFM submitted 2022-07-15 nucl-th nucl-ex

classification nucl-thnucl-ex
keywords energyfourneutronsallowsalphaconsequencecorecorrelations
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abstract

We present a reaction model to describe the fast removal of the $\alpha$-particle core in $^8$He nucleus with eventual emission of four neutrons. The obtained four neutron energy distributions allows to explain the sharp low energy peak observed by studying the missing mass spectra of four neutrons in [Nature Vol. 606, p. 678], as a consequence of dineutron-dineutron correlations.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Short-distance production of three particles with large scattering length

    nucl-th 2026-01 conditional novelty 6.0 of 10

    Short-distance production of three neutrons in pionless EFT is dominated by the P-wave and shows no resonance-like structure; three bosons show Efimov-resonance peaks, and effective-range corrections are small.

  2. Recent Results on the Tetraneutron

    nucl-ex 2025-06 conditional novelty 2.0 of 10

    The authors reconcile conflicting tetraneutron reports by proposing that different experiments populated a bound ground state and an unbound first excited state of four neutrons.

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