(R3B Collaboration) Ponnath, L; Aumann, T; Bertulani, CA; Gernhäuser, R; Almusidi, T; Alvarez-Pol, H; Atar, L; Atkins, L; Ayyad, Y; Benlliure, J; Boretzky, K; Borge, MJG; Bott, LT; Bruni, G; Brückner, B; Cabanelas, P; Caesar, C; Casarejos, E; Cederkall, J; Corsi, A; Cortina-Gil, D; Dueñas, JA; Duer, M; Elekes, Z; Rodriguez, SE; Falduto, A; Feijoo, M; Fontan, MF; Fonseca, LM; Frotscher, A; Galaviz, D; Galiana, E; García-Jiménez, G; Gasparic, I; Geraci, EI; Gillibert, A; Gnoffo, B; Caamaño, DG; González, AG; Göbel, K; Hartig, AL; Heil, M; Heinz, A; Hensel, T; Holl, M; Horvat, A; Jedele, A; Malenica, DJ; Jenegger, T; Johansson, HT; Jonson, B; Kalantar-Nayestanaki, N; Kelic-Heil, A; Kiselev, OA; Klenze, P; Kresan, D; Kröll, T; Kudaibergenova, E; Kurtulgil, D; Körper, D; Labiche, M; Langer, C; Lihtar, I; Litvinov, YA; Löher, B; Mayer, J; Mozumdar, N; Morales, SM; Nacher, E; Nilsson, T; Obertelli, A; Panin, V; Park, J; Paschalis, S; Perea, A; Petri, M; Pirrone, S; Pohl, T; Reifarth, R; Rhee, HB; Rodriguez-Sanchez, JL; Rose, L; Rossi, DM; Russotto, P; Savran, D; Scheit, H; Simon, H; Storck-Dutine, S; Stott, AM; Sun, Y; Sürder, C; Taniuchi, R; Tengblad, O; Teubig, P; Trache, L; Trimarchi, M; Törnqvist, HT; Wagner, V; Wamers, F (2025) Precise measurement of nuclear interaction cross sections towards neutron-skin determination with R3B. Nuclear Physics A, 1056 . ISSN 0375-9474
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Abstract
The (RB)-B-3 (Reactions with Relativistic Radioactive Beams) experiment as a major instrument of the NUSTAR collaboration for the research facility FAIR in Darmstadt is designed for kinematically complete studies of reactions with high-energy radioactive beams. Part of the broad physics program of (RB)-B-3 is to constrain the asymmetry term in the nuclear equation-of-state and hence improve the description of highly asymmetric nuclear matter (e.g., in neutron stars). For a precise determination of the neutron-skin thickness - an observable which is directly correlated with the symmetry energy in theoretical calculations - by measuring absolute fragmentation cross sections, it is essential to quantify the uncertainty and challenge the reaction model under stable conditions. During the successful FAIR Phase-0 campaign of (RB)-B-3, we precisely measured the energy dependence of total interaction cross sections in C-12+C-12 collisions, for a direct comparison with calculations based on the eikonal reaction theory.
| Item Type: | Article | ||||||||
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| Uncontrolled Keywords: | nuclear physics; nuclear equation-of-state; Relativistic Radioactive Beams | ||||||||
| Subjects: | NATURAL SCIENCES > Physics | ||||||||
| Divisions: | Division of Experimental Physics | ||||||||
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| Depositing User: | Ema Buhin Šaler | ||||||||
| Date Deposited: | 26 Feb 2026 07:55 | ||||||||
| URI: | http://fulir.irb.hr/id/eprint/11262 | ||||||||
| DOI: | 10.1016/j.nuclphysa.2025.123022 |
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