Experimental Study of $$^{4}n$$ 4 n by Directly Detecting the Decay Neutrons
RIKEN Nishina Center,Marqués F. M.,Achouri N. L.,Ahn D. S.,GSI Helmholtzzentrum für Schwerionenforschung,Baba H.,Beaumel D.,Böhmer M.,GSI Helmholtzzentrum für Schwerionenforschung,Caamaño M.,Chen S.,Chiga N.,Cortés M. L.,Cortina D.,Doornenbal P.,Douma C. A.,Dufter F.,RIKEN Nishina Center,Fernández-Domínguez B.,MTA ATOMKI,Lund University,Fujino T.,Fukuda N.,RuƉ er Bošković Institut (RBI),Ge Z.,Gernhäuser R.,Gheller J. M.,Gibelin J.,Gillibert A.,Halász Z.,Toho University,University of Groningen,Tokyo Institute of Technology,Inabe N.,Isobe T.,Technische Universität Darmstadt,Kalantar-Nayestanaki N.,Kim D.,Kim S.,Kiyotake S.,Kobayashi T.,Kondo Y.,GSI Helmholtzzentrum für Schwerionenforschung,Kubota Y.,Kuti I.,Technische Universität Darmstadt,Lenain C.,Li P. J.,RIKEN Nishina Center,Maeda Y.,Masuoka S.,Tokyo Institute of Technology,Matta A.,Mayer J.,Miki H.,Saitama University,Monteagudo B.,Murray I.,Nakamura T.,Obertelli A.,Orr N. A.,Otsu H.,Panin V.,Park S.,Parlog M.,University of York,Potlog M.,Reichert S.,Revel A.,Rossi D.,Saito A.,Sasano M.,Sato H.,Scheit H.,Schindler F.,Shimada T.,Shimizu Y.,Shimoura S.,Simon H.,Stefan I.,Storck S.,Stuhl L.,Suzuki H.,Symochko D.,Takeda H.,Takeuchi S.,GSI Helmholtzzentrum für Schwerionenforschung,Rikkyo University,Tokyo Institute of Technology,GSI Helmholtzzentrum für Schwerionenforschung,Tronchin E.,Tscheuschner J.,Uesaka T.,Wagner V.,Wimmer K.,Yamada H.,RIKEN Nishina Center,Yang L.,Tokyo Institute of Technology,Yoneda K.,Technische Universität Darmstadt,Kyoto University
Few-Body Systems（2021）
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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 non-existence. A new experiment based on
$$^{8}$$
He(p, 2p)
$$^{7}$$
H{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.
