{"paper":{"title":"Identical pion intensity interferometry in central Au+Au collisions at 1.23A GeV","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Belounnas, A. Belyaev, A. Blanco, A. Dybczak, A. Ierusalimov, A. Ivashkin, A. Kugler, A. Kurepin, A. Kurilkin, A. Lebedev, A. Mangiarotti, A. Reshetin, A. Rost, A. Sadovsky, B. K\\\"ampfer, B. Kardan, B. Ramstein, B.W. Kolb, C. Behnke, C. Blume, C. Deveaux, C. Franco, C. H\\\"ohne, C. M\\\"untz, C. Sturm, C. Wendisch, D.M. Mihaylov, D. Wojcik, E. Epple, E. Schwab, E. Usenko, F. Guber, F. Scozzi, F. Seck, G. Korcyl, G. Kornakov, H. Schuldes, H. Str\\\"obele, H. Tsertos, I. Fr\\\"ohlich, I. Koenig, J. Adamczewski-Musch, J.A. Garzon, J. Biernat, J.C. Berger-Chen, J. Dreyer, J. Friese, J. Markert, J. Michel, J. Pietraszko, J. Siebenson, J. Stroth, J. Wirth, K. Lapidus, K.N. Nowakowski, K. Piasecki, L. Chlad, L. Fabbietti, L. Lopes, L. Maier, L. Naumann, L. Silva, M. B\\\"ohmer, M. Golubeva, M. Gumberidze, M.G. Wiebusch, M. Lorenz, M. Palka, M. Szala, M. Traxler, O. Arnold, O. Fateev, O. Pechenova, O. Petukhov, O. Svoboda, P. Bordalo, P. Filip, P. Fonte, P. Kurilkin, P. Rodriguez-Ramos, P. Rosier, P. Salabura, P. Sellheim, P. Strzempek, P. Tlusty, P. Zumbruch, R. Gernh\\\"auser, R. Greifenhagen, R. Holzmann, R. Kotte, R. Lalik, R. M\\\"unzer, S. Chernenko, S. Harabasz, S. Hlavac, S. Maurus, S. Morozov, S. Ramos, S. Spataro, T. Galatyuk, T. Heinz, T. Hennino, T. Karavicheva, T. Kunz, T. Mahmoud, T. Matulewicz, T. Scheib, V. Ladygin, V. Metag, V. Pechenov, V. Wagner, W. Koenig, W. K\\\"uhn, W. Przygoda, Y. Parpottas, Yu.G. Sobolev, Y. Zanevsky","submitted_at":"2018-11-15T07:42:22Z","abstract_excerpt":"We investigate identical pion HBT intensity interferometry for central Au+Au collisions at 1.23A GeV. High-statistics $\\pi^-\\pi^-$ and $\\pi^+\\pi^+$ data are measured with HADES at SIS18/GSI. The radius parameters, derived from the correlation function depending on relative momenta in the longitudinal-comoving system and parametrized as three-dimensional Gaussian distribution, are studied as function of transverse momentum. A substantial charge-sign difference of the source radii is found, particularly pronounced at low transverse momentum. The extracted Coulomb-corrected source parameters agre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.06213","kind":"arxiv","version":4},"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"}