نتایج جستجو برای: 1385)
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The reaction mechanisms for K (1385) photoproduction from the reaction γp → K+ 0(1385) in the resonance energy region are investigated in a hadronic model. Both contributions from N and resonances of masses around 2 GeV as given in the Review of Particle Data Group and by the quark model predictions are included. The Lagrangians for describing the decays of these resonances into K (1385) are co...
Florian Eckhardt1, Joern Lewin1, Rene Cortese1, Vardhman K Rakyan2, John Attwood2, Matthias Burger1, John Burton2, Tony V Cox2, Rob Davies2, Thomas A Down2, Carolina Haefliger1, Roger Horton2, Kevin Howe2, David K Jackson2, Jan Kunde1,3, Christoph Koenig1, Jennifer Liddle2, David Niblett2, Thomas Otto1, Roger Pettett2, Stefanie Seemann1, Christian Thompson1, Tony West2, Jane Rogers2, Alex Olek1...
We study the decay channels of the Λ(1520) in a nuclear medium and find a sizable change of the order of factor five of the width of this hyperon at normal nuclear matter density. The mass shift of the Λ(1520) is moderate. The change of resonance properties in the nuclear medium is a field that captures permanent attention, and basic symmetries can be tested through medium modification of parti...
The study of resonances in √ s = 7 TeV pp collisions provides a test of QCD in a new energy domain as well as a baseline for heavy-ion collisions. The resonances K∗(892)0, φ(1020), Σ(1385)±, Λ(1520), and Ξ(1530)0 have been reconstructed at midrapidity from their hadronic decay using data collected by the ALICE detector. The comparison of φ(1020) and Σ(1385) pT-spectra to QCD-inspired models suc...
The study of rare resonances with strange content produced in p+p and p+Nb collisions at 3.5 GeV kinetic energy has recently been addressed by the HADES collaboration at GSI. Here we present the results obtained for the Σ(1385) resonance produced in p+p collisions at 3.5 GeV. The spectral function and the differential cross-section of the resonance could be evaluated. With a nominal mass of 138...
K ∗(892)0Λ and K+Σ∗(1385)− Photoproduction on the Deuteron
The Σ(1385) analysis and the current status of pentaquark search with the STAR detector are reported. The corrected pT spectra and the yields of the Σ±(1385) and their antiparticles in the most central Au+Au as well as elementary p+p collisions are presented. A comparison of the 〈pT 〉 of observed particles suggests a similar behavior for particles with mass greater than 1.2 GeV in p+p and Au+Au...
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