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The quest for light multineutron systems

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arxiv 2102.10879 v1 pith:7YFLMQ7Q submitted 2021-02-22 nucl-ex nucl-th

The quest for light multineutron systems

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keywords beenlightmultineutronresearchsystemsaspectsboundcalculation
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The long history of the research concerning the possible existence of bound or resonant states in light multineutron systems, essentially $^3$n and $^4$n, is reviewed. Both the experimental and the theoretical points of view have been considered, with the aim of showing a clear picture of all the different detection and calculation techniques that have been used, with particular emphasis in the issues that have been found. Finally, some aspects of the present and future research in this field are discussed.

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Cited by 2 Pith papers

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

  1. Impact of Effective Nucleon Mass and Multineutron States on the Equation of State for Core-Collapse Supernovae

    nucl-th 2026-04 unverdicted novelty 6.0

    Including multineutron states in supernova equations of state reduces unbound neutron fractions, raises proton chemical potentials, promotes heavier nuclei, and lowers overall free energy in neutron-rich conditions.

  2. Searching for the Tetraneutron Resonance on the Lattice

    nucl-th 2026-01 unverdicted novelty 6.0

    Lattice EFT calculations find no resonance signature in the tetraneutron ground-state energy, only a weak attraction in the dineutron-dineutron phase shift whose confined energy is close to the experimental low-energy peak.