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.
Can Modern Nuclear Hamiltonians Tolerate a Bound Tetraneutron?
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abstract
I show that it does not seem possible to change modern nuclear Hamiltonians to bind a tetraneutron without destroying many other successful predictions of those Hamiltonians. This means that, should a recent experimental claim of a bound tetraneutron be confirmed, our understanding of nuclear forces will have to be significantly changed. I also point out some errors in previous theoretical studies of this problem.
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Recent Results on the Tetraneutron
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.