Observation of a correlated free four-neutron system

Duer, M.; Aumann, T.; Gernhäuser, R.; Panin, V.; Paschalis, S.; M. Rossi, D.; L. Achouri, N.; Ahn, D.; Baba, H.; A. Bertulani, C.; Böhmer, M.; Boretzky, K.; Caesar, C.; Chiga, N.; Corsi, A.; Cortina-Gil, D.; A. Douma, C.; Dufter, F.; Elekes, Z.; Feng, J.; Fernández-Domínguez, B.; Forsberg, U.; Fukuda, N.; Gasparic, I.; Ge, Z.; M. Gheller, J.; Gibelin, J.; Gillibert, A.; I. Hahn, K.; Halász, Z.; N. Harakeh, M.; Hirayama, A.; Holl, M.; Inabe, N.; Isobe, T.; Kahlbow, J.; Kalantar-Nayestanaki, N.; Kim, D.; Kim, S.; Kobayashi, T.; Kondo, Y.; Körper, D.; Koseoglou, P.; Kubota, Y.; Kuti, I.; J. Li, P.; Lehr, C.; Lindberg, S.; Liu, Y.; M. Marqués, F.; Masuoka, S.; Matsumoto, M.; Mayer, J.; Miki, K.; Monteagudo, B.; Nakamura, T.; Nilsson, T.; Obertelli, A.; A. Orr, N.; Otsu, H.; Y. Park, S.; Parlog, M.; M. Potlog, P.; Reichert, S.; Revel, A.; T. Saito, A.; Sasano, M.; Scheit, H.; Schindler, F.; Shimoura, S.; Simon, H.; Stuhl, L.; Suzuki, H.; Symochko, D.; Takeda, H.; Tanaka, J.; Togano, Y.; Tomai, T.; T. Törnqvist, H.; Tscheuschner, J.; Uesaka, T.; Wagner, V.; Yamada, H.; Yang, B.; Yang, L.; H. Yang, Z.; Yasuda, M.; Yoneda, K.; Zanetti, L.; Zenihiro, J.; V. Zhukov, M.

doi:10.1038/s41586-022-04827-6

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Observation of a correlated free four-neutron system

Shared by NobleBlocks on Jun 22, 2022 • 12:00 AM UTC

Authors:

M. Duer

T. Aumann

R. Gernhäuser

Abstract

Abstract A long-standing question in nuclear physics is whether chargeless nuclear systems can exist. To our knowledge, only neutron stars represent near-pure neutron systems, where neutrons are squeezed together by the gravitational force to very high densities. The experimental search for isolated...

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