27TH INTERNATIONAL NUCLEAR PHYSICS CONFERENCE (INPC2019)(2020)
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摘要
The tetraneutron has attracted the attention of nuclear physicists during the past decades, but there is still no unambiguous confirmation of its existence or nonexistence. A new experiment based on He-8(p,2p)H-7{t+(4)n} reaction, with direct detection of the four neutrons, has been carried out at RIBF, which can hopefully help to draw a definite conclusion on the tetraneutron system.