Upper limit of D 0 production in central Pb-Pb collisions at 158AGeV
C. AltFachbereich Physik der Universität , Frankfurt , GermanyT. AnticicRudjer Boskovic Institute , Zagreb , CroatiaB. BaatarJoint Institute for Nuclear Research , Dubna , RussiaD. BarnaKFKI Research Institute for Particle and Nuclear Physics , Budapest , HungaryJ. BartkeInstitute of Nuclear Physics , Cracow , PolandL. BetevCERN , Geneva , SwitzerlandH. BiałkowskaInstitute for Nuclear Studies , Warsaw , PolandC. BlumeGoethe University Frankfurt, Frankfurt am Main, GermanyB. BoimskaInstitute for Nuclear Studies, Warsaw, PolandM. BotjeNIKHEF , Amsterdam , NetherlandsJ. BraciníkComenius University , Bratislava , SlovakiaR. BrammFachbereich Physik der Universität , Frankfurt , GermanyP. BunčićCERN , Geneva , SwitzerlandV. ČernýComenius University , Bratislava , SlovakiaP. ChristakoglouAthens University of Economics and BusinessO. ChválaInstitute of Particle and Nuclear Physics , Charles University , Prague , Czech RepublicJ. G. CramerSeattle UniversityP. CsatóHungarian Academy of Sciences, Budapest, HungaryP. DinkelakerFachbereich Physik der Universität , Frankfurt , GermanyV. EckardtMax-Planck-Institut für Physik , Munich , GermanyD. FlierlFachbereich Physik der Universität , Frankfurt , GermanyZ. FodorKFKI Research Institute for Particle and Nuclear Physics , Budapest , HungaryP. FokaGSI Helmholtz Centre for Heavy Ion Research, Darmstadt, GermanyV. FrieseGSI Helmholtz Centre for Heavy Ion Research, Darmstadt, GermanyJ. GálKFKI Research Institute for Particle and Nuclear Physics , Budapest , HungaryM. GaździckiJan Kochanowski University, Kielce, PolandV. GenchevBulgarian Academy of Sciences, Sofia, BulgariaG. GeorgopoulosDepartment of Physics , University of Athens , Athens , GreeceE. GładyszPolish Academy of Sciences, Warsaw, PolandK. GrebieszkowInstitute for Experimental Physics , University of Warsaw , Warsaw , PolandS. HegyiHungarian Academy of Sciences, Budapest, HungaryC. HöhneGesellschaft für Schwerionenforschung (GSI) , Darmstadt , GermanyK. KadijaRudjer Boskovic Institute , Zagreb , CroatiaA. KarevMax Planck Institute for PhysicsM. KliemantFachbereich Physik der Universität , Frankfurt , GermanyS. KniegeGoethe University Frankfurt, Frankfurt am Main, GermanyV. I. KolesnikovJoint Institute for Nuclear Research , Dubna , RussiaE. KornaśInstitute of Nuclear Physics , Cracow , PolandR. KorusInstitute of Physics Świetokrzyska Academy , Kielce , PolandM. KowalskiPolish Academy of Sciences, Warsaw, PolandI. KrausGesellschaft für Schwerionenforschung (GSI) , Darmstadt , GermanyM. KrepsComenius University , Bratislava , SlovakiaM. van LeeuwenNIKHEF , Amsterdam , NetherlandsP. LévaiHungarian Academy of Sciences, Budapest, HungaryL. LitovAtomic Physics Department , Sofia University St. Kliment Ohridski , Sofia , BulgariaB. LungwitzFachbereich Physik der Universität , Frankfurt , GermanyM. MakarievAtomic Physics Department , Sofia University St. Kliment Ohridski , Sofia , BulgariaA. MalakhovJoint Institute for Nuclear Research , Dubna , RussiaC. MarkertGSI Helmholtz Centre for Heavy Ion Research, Darmstadt, GermanyM. MateevAtomic Physics Department , Sofia University St. Kliment Ohridski , Sofia , BulgariaG. L. MelkumovJoint Institute for Nuclear Research , Dubna , RussiaA. MischkeNIKHEF , Amsterdam , NetherlandsM. MitrovskiGoethe University Frankfurt, Frankfurt am Main, GermanyJ. MolnárHungarian Academy of Sciences, Budapest, HungaryStanisław MrówczyńskiInstitute of Physics Świetokrzyska Academy , Kielce , PolandV. NicolicRudjer Boskovic Institute , Zagreb , CroatiaG. PállaHungarian Academy of Sciences, Budapest, HungaryA. D. PanagiotouAthens University of Economics and BusinessD. PanayotovAtomic Physics Department , Sofia University St. Kliment Ohridski , Sofia , BulgariaA. PetridisDepartment of Physics , University of Athens , Athens , GreeceM. PiknaComenius University , Bratislava , SlovakiaD. PrindleUniversity of Washington, Seattle, United StatesF. PühlhoferFachbereich Physik der Universität , Marburg , GermanyR. RenfordtGoethe University Frankfurt, Frankfurt am Main, GermanyC. RolandMIT , Cambridge , Massachusetts USAG. RolandMIT , Cambridge , Massachusetts USAM. RybczyńskiInstitute of Physics Świetokrzyska Academy , Kielce , PolandA. RybickiInstitute of Nuclear Physics , Cracow , PolandA. SandovalGesellschaft für Schwerionenforschung (GSI) , Darmstadt , GermanyN. SchmitzMax Planck Institute for PhysicsT. SchusterFachbereich Physik der Universität , Frankfurt , GermanyP. SeybothMax Planck Society, Munich, GermanyF. SiklérKFKI Research Institute for Particle and Nuclear Physics , Budapest , HungaryB. SitárComenius University , Bratislava , SlovakiaE. SkrzypczakInstitute for Experimental Physics , University of Warsaw , Warsaw , PolandG. StefanekInstitute of Physics Świetokrzyska Academy , Kielce , PolandR. StockGoethe University Frankfurt, Frankfurt am Main, GermanyH. StröbeleFachbereich Physik der Universität , Frankfurt , GermanyT. ŠušaRudjer Boskovic Institute , Zagreb , CroatiaI. SzentpéteryHungarian Academy of Sciences, Budapest, HungaryJ. SziklaiHungarian Academy of Sciences, Budapest, HungaryP. SzymańskiInstitute for Nuclear Studies , Warsaw , PolandV. TrubnikovInstitute for Nuclear Studies , Warsaw , PolandD. VargaCERN , Geneva , SwitzerlandM. VassiliouNational and Kapodistrian University of Athens, Athens, GreeceG. I. VeresKFKI Research Institute for Particle and Nuclear Physics , Budapest , HungaryG. VesztergombiHungarian Academy of Sciences, Budapest, HungaryD. VranićGSI Helmholtz Centre for Heavy Ion Research, Darmstadt, GermanyA. WetzlerGoethe University Frankfurt, Frankfurt am Main, GermanyZ. WłodarczykJan Kochanowski University, Kielce, PolandI.-K. YooDepartment of Physics , Pusan National University , Pusan , Republic of KoreaJ. ZimányiKFKI Research Institute for Particle and Nuclear Physics , Budapest , Hungary
2006lv
ABI
Abstract
Results are presented from a search for the decays ${D}^{0}\ensuremath{\rightarrow}{\text{K}}^{\ensuremath{-}}{\ensuremath{\pi}}^{+}$ and ${\overline{\text{D}}}^{0}\ensuremath{\rightarrow}{\text{K}}^{+}{\ensuremath{\pi}}^{\ensuremath{-}}$ in a sample of $3.8\ifmmode\times\else\texttimes\fi{}{10}^{6}$ central Pb-Pb events collected with a beam energy of 158A GeV by NA49 at the CERN SPS. No signal is observed. An upper limit on ${\text{D}}^{0}$ production is derived and compared to predictions from several models.
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