Upper limits for a narrow resonance in the reaction p+p→K++(Λp)
A. BudzanowskiInstitute of Nuclear Physics, PAN, Krakow, PolandA. ChatterjeeNuclear Physics Division , BARC , Mumbai , IndiaH. ClementPolish Academy of SciencesP. HawranekInstitute of Physics, Jagellonian University, Krakow, PolandF. HinterbergerNuclear Physics Division, Bhabha Atomic Research Centre, Trombay, 400 085 Mumbai, IndiaR. JahnHelmholtz-Institut für Strahlen-und Kernphysik der Universität Bonn, 53115 Bonn, GermanyR. JoostenHelmholtz-Institut für Strahlen-und Kernphysik der Universität Bonn , 53115 Bonn , GermanyK. KilianInstitut für Kernphysik , Forschungszentrum Jülich , Jülich , GermanyDa. KirillovFachbereich Physik, Universitaet Duisburg-Essen, Duisburg (Germany); Institut fuer Kernphysik, Forschungszentrum Juelich, Juelich (Germany)Di. KirillovFachbereich Physik, Universitaet Duisburg-Essen, Duisburg (Germany); Institut fuer Kernphysik, Forschungszentrum Juelich, Juelich (Germany)S. KliczewskiInstitute of Nuclear Physics, PAN, Krakow, PolandD. KolevPhysics Faculty , University of Sofia , Sofia , BulgariaM. KravčíkováTechnical University , Kosice , Kosice , SlovakiaM. LesiakInstitute of Physics , Jagellonian University , Krakow , PolandH. MachnerFachbereich Physik , Universität Duisburg-Essen , Duisburg , GermanyA. MagieraInstitute of Physics , Jagellonian University , Krakow , PolandG. MartinskáInstitut fuer Kernphysik, Forschungszentrum Juelich, Juelich (Germany); Juelich Center for Hadron Physics, Forschungszentrum Juelich D-52428, Juelich (Germany)Н. М. ПискуновLaboratory for High Energies , JINR Dubna , RussiaD. ProtićInstitut für Kernphysik , Forschungszentrum Jülich , Jülich , GermanyJ. RitmanInstitut für Kernphysik , Forschungszentrum Jülich , Jülich , GermanyP. von RossenInstitut für Kernphysik , Forschungszentrum Jülich , Jülich , GermanyJ.C. RoyNuclear Physics Division , BARC , Mumbai , IndiaA. SibirtsevCSSM , School of Chemistry and Physics , University of Adelaide , Adelaide SA 5005 , AustraliaI.M. SitnikLaboratory for High Energies , JINR Dubna , RussiaR. SiudakPolish Academy of SciencesR. TsenovPhysics Faculty , University of Sofia , Sofia , BulgariaK. UlbrichHelmholtz-Institut für Strahlen-und Kernphysik der Universität Bonn , 53115 Bonn , GermanyJ. UrbánP. J. Safarik University , Kosice , SlovakiaG.J. WagnerPhysikalisches Institut . Universität Tübingen , Germany
2011lv
ABI
Аннотация
The reaction $pp\ensuremath{\rightarrow}{K}^{+}+(\ensuremath{\Lambda}p)$ has been measured at ${T}_{p}=1.953\text{ }\text{ }\mathrm{GeV}$ and $\ensuremath{\Theta}=0\ifmmode^\circ\else\textdegree\fi{}$ with a high missing-mass resolution in order to study the $\ensuremath{\Lambda}p$ final state interaction. Narrow $S=\ensuremath{-}1$ resonances predicted by bag model calculations are not visible in the missing-mass spectrum. Small structures observed in a previous experiment are not confirmed. Upper limits for the production cross section of a narrow resonance are deduced for missing masses between 2058 and 2105 MeV.
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