Direct observation of three-neutron emission from $^{7}He^{*}$ and the search for the trineutron

Huang, S. W.; Kim, S.; Caamaño, M.; Wimmer, K.; Lehr, C.; Baba, H.; Forsberg, U.; Yasuda, M.; Scheit, H.; Fernández-Domínguez, B.; Yamada, H.; Kondo, Y.; Ahn, D. S.; Obertelli, A.; Matta, A.; Monteagudo, B.; Michel, N.; Takeda, H.; Nakamura, T.; Tanaka, J.; Zanetti, L.; Mayer, J.; Chen, N.; Doornenbal, P.; Maeda, Y.; Wagner, V.; Beaumel, D.; Chiga, N.; Elekes, Z.; Feng, J.; Shimoura, S.; Aumann, Thomas; Park, S.; Koerper, D.; Fujino, T.; Takeuchi, S.; Zenihiro, J.; Kobayashi, T.; Sasano, M.; Otsu, H.; Rossi, Dominic Michel; Douma, C. A.; Gibelin, J.; Paschalis, S.; Storck, S.; Panin, Valerii; Shimizu, Y.; Shimada, T.; Halász, Z.; Togano, Y.; Tronchin, E.; Harakeh, M. N.; Achouri, N. L.; Gernhäuser, R.; Inabe, N.; Fukuda, N.; Li, P. J.; Harada, T.; Parlog, M.; Yang, B.; Sato, H.; Böhmer, M.; Hirayama, A.; Revel, A.; Matsumoto, M.; Ge, Z.; Masuoka, S.; Miwa, M.; Potlog, P. M.; Ye, Y. L.; Reichert, S.; Yang, Z. H.; Orr, N. A.; Gillibert, A.; Kahlbow, J.; Gašparić, I.; Symochko, D.; Koseoglou, Pavlos; Li, J. G.; Boretzky, Konstanze; Stefan, I.; Dufter, F.; Saito, A. T.; Tscheuschner, J.; Cortina, D.; Simon, Haik; Yang, L.; Kiyotake, S.; Murray, I.; Törnqvist, H. T.; Cortés, M. L.; Suzuki, H.; Lenain, C.; Kalantar-Nayestanaki, N.; Liu, Y.; Stuhl, L.; Xie, M. R.; Kubota, Y.; Gheller, J. M.; Kim, D.; Chen, S.; Yoneda, K.; Tomai, T.; Anne, A.; Uesaka, T.; Schindler, F.; Miki, H.; Kuti, I.; Marqués, F. M.; Isobe, T.

doi:10.1103/sr8h-2n6v

Journal Article

GSI-2026-00769

Direct observation of three-neutron emission from $^{7}He^{*}$ and the search for the trineutron

Huang, S. W. ; Lenain, C. ; Yang, Z. H. (Corresponding author) ; Marqués, F. M. ; Gibelin, J. ; Li, J. G. ; Matta, A. ; Orr, N. A. ; Achouri, N. L. ; Ahn, D. S. ; Anne, A. ; Aumann, T.GSI* ; Baba, H. ; Beaumel, D. ; Böhmer, M. ; Boretzky, K.GSI* ; Caamaño, M. ; Chen, N. ; Chen, S. ; Chiga, N. ; Cortés, M. L. ; Cortina, D. ; Doornenbal, P. ; Douma, C. A. ; Dufter, F. ; Feng, J. ; Fernández-Domínguez, B. ; Elekes, Z. ; Forsberg, U. ; Fujino, T. ; Fukuda, N. ; Gašparić, I. ; Ge, Z. ; Gernhäuser, R. ; Gheller, J. M. ; Gillibert, A. ; Halász, Z. ; Harada, T. ; Harakeh, M. N.GSI* ; Hirayama, A. ; Inabe, N. ; Isobe, T. ; Kahlbow, J. ; Kalantar-Nayestanaki, N. ; Kim, D. ; Kim, S. ; Kiyotake, S. ; Kobayashi, T. ; Koerper, D.GSI* ; Kondo, Y. ; Koseoglou, P.GSI* ; Kubota, Y. ; Kuti, I. ; Lehr, C. ; Li, P. J. ; Liu, Y. ; Maeda, Y. ; Masuoka, S. ; Matsumoto, M. ; Mayer, J. ; Michel, N. ; Miki, H. ; Miwa, M. ; Monteagudo, B. ; Murray, I. ; Nakamura, T. ; Obertelli, A. ; Otsu, H. ; Panin, V. ; Park, S. ; Parlog, M. ; Paschalis, S. ; Potlog, P. M. ; Reichert, S. ; Revel, A. ; Rossi, D. M.GSI* ; Saito, A. T. ; Sasano, M. ; Sato, H. ; Scheit, H. ; Schindler, F. ; Shimada, T. ; Shimizu, Y. ; Shimoura, S. ; Simon, H.GSI* ; Stefan, I. ; Storck, S. ; Stuhl, L. ; Suzuki, H. ; Symochko, D. ; Takeda, H. ; Takeuchi, S. ; Tanaka, J. ; Togano, Y. ; Tomai, T. ; Törnqvist, H. T.GSI* ; Tronchin, E. ; Tscheuschner, J. ; Wagner, V. ; Wimmer, K. ; Xie, M. R. ; Yamada, H. ; Yang, B. ; Yang, L. ; Yasuda, M. ; Ye, Y. L. ; Yoneda, K. ; Zanetti, L. ; Zenihiro, J. ; Uesaka, T.

2026
APS College Park, MD

Physical review research 8(2), L022003 (2026) [10.1103/sr8h-2n6v]

Please use a persistent id in citations: doi:10.1103/sr8h-2n6v doi:10.15120/GSI-2026-00769

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ddc:530

Note: Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license.

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External experiment at external facility/ no experiment at GSI (other)

Appears in the scientific report 2026

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Private Institute collections > >WGF > >RED > FRS
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NUSTAR/MU > Nuclear Reactions
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Record created 2026-07-03, last modified 2026-07-03

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