TY - INPR A1 - Afanasiev, Sergey V. A1 - Antičić, Tome A1 - Bächler, Joachim A1 - Barna, Daniel A1 - Barnby, Lee Stuart A1 - Bartke, Jerzy A1 - Barton, Robert Allan A1 - Betev, Latchezar A1 - Białkowska, Helena A1 - Billmeier, Anja A1 - Blume, Christoph A1 - Blyth, Charles O. A1 - Boimska, Bożena A1 - Botje, Michiel A1 - Bracinik, Juraj A1 - Brady, Franklin Paul A1 - Bramm, Roland A1 - Brun, René A1 - Bunčić, Predrag A1 - Carr, Lincoln D. A1 - Cebra, Daniel A. A1 - Cooper, Glenn E. A1 - Cramer, John G. A1 - Csató, Péter A1 - Eckardt, Volker A1 - Eckhardt, Frank A1 - Ferenc, Daniel A1 - Filip, Peter A1 - Fischer, Hans Gerhard A1 - Fodor, Zoltán A1 - Foka, Panagiota A1 - Freund, Peter A1 - Friese, Volker A1 - Ftacnik, Jan A1 - Gál, József A1 - Gaździcki, Marek A1 - Georgopoulos, George A1 - Gładysz-Dziaduś, Ewa A1 - Harris, John W. A1 - Hegyi, Sándor A1 - Hlinka, V. A1 - Höhne, Claudia A1 - Igo, George J. A1 - Ivanov, Marian A1 - Jacobs, Peter Martin A1 - Janik, Rudolf A1 - Jones, Peter Graham A1 - Kadija, Krešo A1 - Kolesnikov, Vadim I. A1 - Kollegger, Thorsten A1 - Kowalski, Marek A1 - Lasiuk, Brian 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 - Mischke, André A1 - Molnár, József A1 - Nelson, John M. A1 - Odyniec, Grazyna Janina A1 - Pálla, Gabriella A1 - Panagiotou, Apostolos D. A1 - Petridis, Athanasios A1 - Pikna, Miroslav A1 - Pinsky, Lawrence A1 - Poskanzer, Arthur M. A1 - Prindle, Duncan J. A1 - Pühlhofer, Falk A1 - Reid, Jeffrey G. A1 - Renfordt, Rainer Arno Ernst A1 - Retyk, Waldemar A1 - Ritter, Hans Georg A1 - Röhrich, Dieter A1 - Roland, Christof A1 - Roland, Gunther A1 - Rybicki, Andrzej A1 - Sammer, Thomas A1 - Sandoval, Andres A1 - Sann, Hans A1 - Schäfer, Erich A1 - Schmitz, Norbert A1 - Seyboth, Peter A1 - Siklér, Ferenc A1 - Sitar, Branislav A1 - Skrzypczak, Ewa A1 - Snellings, Raimond A1 - Squier, Gordon Thomas Anderson A1 - Stock, Reinhard A1 - Strmen, Peter A1 - Ströbele, Herbert A1 - Šuša, Tatjana A1 - Szarka, Imrich A1 - Szentpétery, Imre A1 - Sziklai, János A1 - Toy, Milton Y. A1 - Trainor, Thomas A. A1 - Trentalange, Stephen A1 - Ullrich, Thomas A1 - Varga, Dezsö A1 - Vassiliou, Maria A1 - Veres, Gábor I. A1 - Vesztergombi, György A1 - Voloshin, Sergei A1 - Vranić, Danilo A1 - Wang, Feipeng A1 - Weerasundara, Dhammika D. A1 - Wenig, Siegfried A1 - Wetzler, Alexander Albert A1 - Whitten, Charles A. A1 - Xu, Nu A1 - Yates, Tim A. A1 - Yoo, In-Kwon A1 - Zimányi, József T1 - Event-by-event fluctuations of the kaon to pion ratio in central Pb+Pb collisions at 158 GeV per Nucleon N2 - We present the first measurement of fluctuations from event to event in the production of strange particles in collisions of heavy nuclei. The ratio of charged kaons to charged pions is determined for individual central Pb+Pb collisions. After accounting for the fluctuations due to detector resolution and finite number statistics we derive an upper limit on genuine non-statistical fluctuations, perhaps related to a first or second order QCD phase transition. Such fluctuations are shown to be very small. Y1 - 2000 UR - http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/3799 UR - https://nbn-resolving.org/urn:nbn:de:hebis:30-16791 N1 - Preprint, später in Physical review letters 86.1965, 10 ER -