TY - JOUR A1 - Adamczewski-Musch, Jörn A1 - Arnold, Oliver Werner A1 - Behnke, Claudia A1 - Belounnas, Amel A1 - Belyaev, Alexei V. A1 - Berger-Chen, Jia-Chii A1 - Biernat, Jacek A1 - Blanco, Alberto A1 - Blume, Christoph A1 - Böhmer, Michael A1 - Bordalo, Paula A1 - Chernenko, Sergey P. A1 - Chlad, Lukáš A1 - Deveaux, Christina Anna A1 - Dreyer, Jörn A1 - Dybczak, Adrian A1 - Epple, Eliane A1 - Fabbietti, Laura A1 - Fateev, Oleg A1 - Filip, Peter A1 - Fonte, Paulo A1 - Franco, Celso A1 - Friese, Jürgen A1 - Fröhlich, Ingo A1 - Galatyuk, Tetyana A1 - Garzón, Juan A. A1 - Gernhäuser, Roman A1 - Golubeva, Marina A1 - Greifenhagen, Robert A1 - Guber, Fedor A1 - Gumberidze, Malgorzata A1 - Harabasz, Szymon A1 - Heinz, Tobias A1 - Hennino, Thierry A1 - Hlaváč, Stanislav A1 - Höhne, Claudia A1 - Holzmann, Romain A1 - Ierusalimov, Alexander P. A1 - Ivashkin, Alexander A1 - Kämpfer, Burkhard A1 - Karavicheva, Tatiana L. A1 - Kardan, Behruz A1 - Koenig, Ilse A1 - Koenig, Wolfgang A1 - Kolb, Burkhard W. A1 - Korcyl, Grzegorz A1 - Kornakov, Georgy A1 - Kotte, Roland A1 - Kugler, Andrej A1 - Kunz, Tobias A1 - Kurepin, Alexander A1 - Kurilkin, Aleksey K. A1 - Kurilkin, Pavel A1 - Ladygin, Vladimir P. A1 - Lalik, Rafał Tomasz A1 - Lapidus, Kirill A1 - Lebedev, Alexei A1 - Lopes, Luis Alberto Vieira A1 - Lorenz, Manuel A1 - Mahmoud, Tariq A1 - Maier, Ludwig W. A1 - Mangiarotti, Alessio A1 - Markert, Jochen A1 - Matulewicz, Tomasz A1 - Maurus, Steffen A1 - Metag, Volker A1 - Michel, Jan A1 - Mihaylov, Dimitar A1 - Morozov, Sergey A1 - Müntz, Christian A1 - Münzer, Robert Helmut A1 - Naumann, Lothar A1 - Nowakowski, K. A1 - Palka, Marek A1 - Parpottas, Yannis A1 - Pechenov, Vladimir A1 - Pechenova, Olga A1 - Petukhov, Oleg A1 - Piasecki, Krzysztof A1 - Pietraszko, Jerzy A1 - Przygoda, Witold A1 - Ramos, Sérgio A1 - Ramstein, Béatrice A1 - Reshetin, Andrey A1 - Rodriguez Ramos, Pablo A1 - Rosier, Philippe A1 - Rost, Adrian A1 - Sadovsky, Alexander A1 - Salabura, Piotr A1 - Scheib, Timo A1 - Schuldes, Heidi A1 - Schwab, Erwin A1 - Scozzi, Federico A1 - Seck, Florian A1 - Sellheim, Patrick A1 - Selyuzhenkov, Ilya A1 - Siebenson, Johannes Stephan A1 - Silva, Luis A1 - Sobolev, Yuri G. A1 - Spataro, Stefano A1 - Spies, Simon A1 - Ströbele, Herbert A1 - Stroth, Joachim A1 - Strzempek, Paweł A1 - Sturm, Christian Thomas A1 - Svoboda, Ondřej A1 - Szala, Melanie A1 - Tlustý, Pavel A1 - Traxler, Michael A1 - Tsertos, Haralabos A1 - Usenko, Evgeny A. A1 - Wagner, Vladimir A1 - Wendisch, Christian A1 - Wiebusch, Michael A1 - Wirth, Joana A1 - Wójcik, Daniel Krzysztof A1 - Zanevsky, Yuri V. A1 - Zumbruch, Peter W. T1 - Identical pion intensity interferometry in central Au+Au collisions at 1.23A GeV T2 - Physics letters B N2 - We investigate identical pion HBT intensity interferometry in central Au+Au collisions at 1.23A GeV. High-statistics π−π− and π+π+ data are measured with HADES at SIS18/GSI. The radius parameters, derived from the correlation function depending on relative momenta in the longitudinally 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 source parameters agree well with a smooth extrapolation of the center-of-mass energy dependence established at higher energies, extending the corresponding excitation functions down towards a very low energy. Y1 - 2019 UR - http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/69996 UR - https://nbn-resolving.org/urn:nbn:de:hebis:30:3-699962 SN - 0370-2693 SN - 1873-2445 VL - 795 SP - 446 EP - 451 PB - Elsevier CY - Amsterdam ER -