{"paper":{"title":"Isotopic Scaling and the Symmetry Energy in Spectator Fragmentation","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Chbihi, ALADIN Collaborations: A. Le F\\`evre, A. Saija, A.S. Botvina, A. Trzci\\'nski, B. Borderie, B. Bouriquet, B. Tamain, B. Zwiegli\\'nski, C. Schwarz, C. Sfienti, C. Volant, D. Durand, D. Gourio, D. Guinet, E. Galichet, E. Plagnol, E. Rosato, E. Vient, F. Bocage, F. Lavaud, G. Auger, G. Imm\\'e, G. Raciti, H. Orth, J.D. Frankland, J.L. Charvet, J. {\\L}ukasik, K. Turz\\'o, L. Nalpas, M.L. Begemann-Blaich, M. Vigilante, N. Bellaize, O. Lopez, P. Lautesse, R. Bittiger, R. Bougault, R. Dayras, R. Legrain, S. Hudan, The INDRA, U. Lynen, W.F.J. M\\\"uller, W. Seidel, W. Trautmann","submitted_at":"2004-09-28T14:00:52Z","abstract_excerpt":"Isotopic effects in the fragmentation of excited target residues following collisions of $^{12}$C on $^{112,124}$Sn at incident energies of 300 and 600 MeV per nucleon were studied with the INDRA 4$\\pi$ detector. The measured yield ratios for light particles and fragments with atomic number $Z \\leq$ 5 obey the exponential law of isotopic scaling. The deduced scaling parameters decrease strongly with increasing centrality to values smaller than 50% of those obtained for the peripheral event groups. Symmetry term coefficients, deduced from these data within the statistical description of isotopi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0409026","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}