TY - INPR A1 - Mischke, André A1 - Afanasiev, Sergey V. A1 - Antičić, Tome A1 - Baatar, B. A1 - Barna, Daniel A1 - Bartke, Jerzy A1 - Barton, Robert Allan A1 - Betev, Latchezar A1 - Białkowska, Helena A1 - Billmeier, Anja A1 - Blyth, Charles O. A1 - Blume, Christoph A1 - Boimska, Bożena A1 - Botje, Michiel A1 - Bracinik, Juraj A1 - Bramm, Roland A1 - Brun, René A1 - Bunčić, Predrag A1 - Cerny, Vladimír A1 - Chvala, Ondrej A1 - Cramer, John G. A1 - Csató, Péter A1 - Dinkelaker, Peter A1 - Eckardt, Volker A1 - Filip, Peter A1 - Flierl, Dominik Bernhard A1 - Fodor, Zoltán A1 - Foka, Panagiota A1 - Freund, Peter A1 - Friese, Volker A1 - Gál, József A1 - Gaździcki, Marek A1 - Georgopoulos, George A1 - Gładysz-Dziaduś, Ewa A1 - Hegyi, Sándor A1 - Höhne, Claudia A1 - Igo, George J. A1 - Jones, Peter Graham A1 - Kadija, Krešo A1 - Karev, Alexandre A1 - Kolesnikov, Vadim I. A1 - Kollegger, Thorsten A1 - Kowalski, Marek A1 - Kraus, Ingrid A1 - Kreps, Michal A1 - Leeuwen, Marco van A1 - Lévai, Péter A1 - Malakhov, Aleksandr I. A1 - Margetis, Spyridon A1 - Markert, Christina A1 - Mayes, Bill W. A1 - Melkumov, Georgy L. A1 - Meurer, Christine A1 - Mitrovski, Michael Kosta A1 - Molnár, József A1 - Nelson, John M. A1 - Pálla, Gabriella A1 - Panagiotou, Apostolos D. A1 - Perl, Katarzyna A1 - Petridis, Athanasios A1 - Pikna, Miroslav A1 - Pinsky, Lawrence A1 - Pühlhofer, Falk A1 - Reid, Jeffrey G. A1 - Renfordt, Rainer Arno Ernst A1 - Retyk, Waldemar A1 - Roland, Christof A1 - Roland, Gunther A1 - Rybicki, Andrzej A1 - Sammer, Thomas A1 - Sandoval, Andres A1 - Sann, Hans A1 - Schmitz, Norbert A1 - Seyboth, Peter A1 - Siklér, Ferenc A1 - Sitar, Branislav A1 - Skrzypczak, Ewa A1 - Squier, Gordon Thomas Anderson A1 - Stock, Reinhard A1 - Ströbele, Herbert A1 - Šuša, Tatjana A1 - Szentpétery, Imre A1 - Sziklai, János A1 - Trainor, Thomas A. A1 - Varga, Dezsö A1 - Vassiliou, Maria A1 - Veres, Gábor I. A1 - Vesztergombi, György A1 - Vranić, Danilo A1 - Wenig, Siegfried A1 - Wetzler, Alexander Albert A1 - Whitten, Charles A. A1 - Yoo, In-Kwon A1 - Zaranek, Jacek A1 - Zimányi, József T1 - Energy dependence of Λ and ¯Λ production at CERN-SPS Energies N2 - Rapidity distributions for $\Lambda$ and $\bar{\Lambda}$ hyperons in central Pb-Pb collisions at 40, 80 and 158 A$\cdot$GeV and for ${\rm K}_{s}^{0}$ mesons at 158 A$\cdot$GeV are presented. The lambda multiplicities are studied as a function of collision energy together with AGS and RHIC measurements and compared to model predictions. A different energy dependence of the $\Lambda/\pi$ and $\bar{\Lambda}/\pi$ is observed. The $\bar{\Lambda}/\Lambda$ ratio shows a steep increase with collision energy. Evidence for a $\bar{\Lambda}/\bar{\rm p}$ ratio greater than 1 is found at 40 A$\cdot$GeV. Y1 - 2002 UR - http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/3843 UR - https://nbn-resolving.org/urn:nbn:de:hebis:30-16498 N1 - Preprint, später in Nuclear Physics A 715.2003, S. 453c-457c ER -