Collective Expansion in High Energy Heavy Ion Collisions
I. G. BeardenH. BøggildJ. G. BoissevainLos Alamos National Laboratory, Los Alamos, New Mexico 87545J. DoddDepartment of Physics, Columbia University, New York, New York 10027B. ErazmusNuclear Physics Laboratory of Nantes, 44072 Nantes, FranceS. EsumiHiroshima University, Higashi-Hiroshima 739, JapanC. FabjanCERN, CH-1211 Geneva 23, SwitzerlandD. FerencRudjer Boskovic Institute, Zagreb, CroatiaD. E. FieldsLos Alamos National Laboratory, Los Alamos, New Mexico 87545A. FranzCERN, CH-1211 Geneva 23, SwitzerlandJ. J. GaardhøjeA. G. HansenO. HansenD. HardtkeDepartment of Physics, The Ohio State University, Columbus, Ohio 43210H. Van HeckeLos Alamos National Laboratory, Los Alamos, New Mexico 87545Eva Barbara HolzerT. J. HumanicDepartment of Physics, The Ohio State University, Columbus, Ohio 43210P. HummelB. V. JacakLos Alamos National Laboratory, Los Alamos, New Mexico 87545R. JayantiDepartment of Physics, The Ohio State University, Columbus, Ohio 43210H. KalechofskyDepartment of Physics, The Ohio State University, Columbus, Ohio 43210M. KanetaHiroshima University, Higashi-Hiroshima 739, JapanM. KopytineLos Alamos National Laboratory, Los Alamos, New Mexico 87545Y. Y. LeeDepartment of Physics, The Ohio State University, Columbus, Ohio 43210M. LeltchoukDepartment of Physics, Columbia University, New York, New York 10027T. LjubičićRudjer Boskovic Institute, Zagreb, CroatiaB. LörstadDepartment of Physics, University of Lund, S-22362 Lund, SwedenN. MaedaHiroshima University, Higashi-Hiroshima 739, JapanRoger F. MalinaA. B. MedvedevDepartment of Physics, Columbia University, New York, New York 10027M. MurrayTexas A&M University, College Station, Texas 77843S. NishimuraHiroshima University, Higashi-Hiroshima 739, JapanH. OhnìshìHiroshima University, Higashi-Hiroshima 739, JapanG. PaićNuclear Physics Laboratory of Nantes, 44072 Nantes, FranceS.U. PandeyDepartment of Physics, The Ohio State University, Columbus, Ohio 43210F. PiuzCERN, CH-1211 Geneva 23, SwitzerlandJ. PlutaNuclear Physics Laboratory of Nantes, 44072 Nantes, FranceV. PolychronakosBrookhaven National Laboratory, Upton, New York 11973M. PotekhinDepartment of Physics, Columbia University, New York, New York 10027G. PoulardCERN, CH-1211 Geneva 23, SwitzerlandD. ReichholdDepartment of Physics, The Ohio State University, Columbus, Ohio 43210A. SakaguchiHiroshima University, Higashi-Hiroshima 739, JapanJ. Simon-GilloLos Alamos National Laboratory, Los Alamos, New Mexico 87545J. Schmidt-SørensenDepartment of Physics, University of Lund, S-22362 Lund, SwedenW. SondheimLos Alamos National Laboratory, Los Alamos, New Mexico 87545M. SpegelCERN, CH-1211 Geneva 23, SwitzerlandT. SugitateHiroshima University, Higashi-Hiroshima 739, JapanJ. P. SullivanLos Alamos National Laboratory, Los Alamos, New Mexico 87545Y. SumiHiroshima University, Higashi-Hiroshima 739, JapanW. WillisDepartment of Physics, Columbia University, New York, New York 10027K. WolfTexas A&M University, College Station, Texas 77843N. XuLos Alamos National Laboratory, Los Alamos, New Mexico 87545D. ZacharyDepartment of Physics, The Ohio State University, Columbus, Ohio 43210
1997en
ABI
Annotatsiya
Transverse mass spectra of pions, kaons, and protons from the symmetric heavy-ion collisions 200 $A$ GeV $\mathrm{S}+\mathrm{S}$ and 158 $A$ GeV $\mathrm{Pb}+\mathrm{Pb}$, measured in the NA44 focusing spectrometer at CERN, are presented. The mass dependence of the slope parameters provides evidence of collective transverse flow from expansion of the system in heavy-ion induced central collisions.
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