Canonical strangeness enhancement
نویسندگان
چکیده
منابع مشابه
Strangeness Enhancement in Heavy Ion Collisions
Ultrarelativistic heavy ion collisions provide a unique opportunity to study the properties of highly excited hadronic matter under extreme conditions of high density and temperature. From the analysis of rapidity distribution of protons and of their transverse energy measured in 158 A GeV/c Pb+Pb collisions an estimate of the initial condition leads to energy density of 2-3 GeV/fm and a baryon...
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The enhancement of strange particle production observed in nucleus-nucleus collisions at CERN is explained by the combined effect of the increase in the relative number of strings containing strange constitutents at the ends, and the final state interaction of co-moving secondaries : π +N → K + Λ/Σ. LPTHE Orsay 94-113 December 1994 * Laboratoire associé au Centre National de la Recherche Scient...
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It is shown that the strangeness enhancement and the J/ψ anomalous suppression patterns observed in heavy ion collisions at top SPS energy, √ sNN = 17.2 GeV, exhibit an interesting correlation if studied as a function of the transverse size of the interaction region. The onset of both phenomena seems to occur when the size exceeds ≈ 4 fm. Strangeness enhancement is defined in terms of the stran...
متن کاملStrangeness enhancement in the String Fusion Model Code
String Fusion Model Code results for Pb–Pb central collisions at SPS energies including the string fusion interaction mechanism are compared to the last experimental data. Predictions for RHIC energies are also presented. On the other hand, the evolution of the strangeness enhancement ratio Es = <Λ>+4 3<π−> with the energy and with the atomic number of participant nuclei is discussed and ...
متن کاملStrangeness Enhancement and System Size in the Hadronic Gas Model
Strange particle enhancement in relativistic ion collisions is discussed with particular attention to the dependence on the size of the volume and/or the baryon number of the system. The motivation for using a " fireball " description for hadronic interactions comes from the work of Hagedorn [1]. In such a model one assumes that a thermal system is produced. This thermal " fireball " then expan...
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ژورنال
عنوان ژورنال: Nuclear Physics A
سال: 1998
ISSN: 0375-9474
DOI: 10.1016/s0375-9474(98)00395-9