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F. Stoffel G. Ambrosini G. Appelquist R. Arsenescu C. Baglin J. Beringer C. Bohm K. Borer A. Bussière F. Dittus K. Elsener D. Frei Ph. Gorodetzky J. P. Guillaud P. Hess E. Hugentobler S. Kabana R. Klingenberg T. Lindén K. D. Lohmann R. Mommsen U. Moser T. Pal K. Pretzl J. Schacher B. Selldén F. Stoffel J. Tuominiemi M. Weber Q. P. Zhang 《Acta Physica Hungarica A》1996,4(1-4):429-434
We searched for long-lived strange quark matter particles, so-calledstrangelets, and studied particle and antiparticle production in Pb+Pb collisions at 158 GeV/c per nucleon at zero degree production angle. We give upper limits for the production of strangelets covering a mass to charge ratio up to 120 GeV/c 2 and lifetimest lab>1.2 μs and plot invariant differential production cross sections as a function of rapidity for a variety of particles. 相似文献
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