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Excited Hyperons Produced in Proton-Proton Collisions with Anke@COSY
Izabella Zychor
Excited neutral hyperons Y0* produced in the pp -> p K+ Y0* reaction with a COSY beam momentum of 3.65 MeV/c have masses below 1540 MeV/c2. The ANKE spectrometer allows the simulta…
Lineshape of the Lambda(1405) Hyperon Measured Through its Sigma0 pion0 Decay
I. Zychor, M. Büscher, M. Hartmann +12
The pp -> p K+ Y0 reaction has been studied for hyperon masses m(Y0)<1540 MeV/c2 at COSY-Juelich by using a 3.65 GeV/c circulating proton beam incident on an internal hydrogen targ…
Scalar-isovector K K-bar production close to threshold
A. Dzyuba, V. Kleber, M. Buescher +20
The reaction pp -> d K^+ K^0-bar has been investigated at excess energies Q = 47.4 and 104.7 MeV above the K^+ K^0-bar threshold at COSY-Juelich. Coincident dK^+ pairs were detecte…
Evidence for an Excited Hyperon State in pp -> p K^+ Y^{0*}
I. Zychor, V. Koptev, M. Büscher +10
Indications for the production of a neutral excited hyperon in the reaction pp -> p K^+ Y^{0*} are observed in an experiment performed with the ANKE spectrometer at COSY-Jülich at…
Indication of an excited hyperon state in pp collisions with ANKE at COSY-Juelich
I. Zychor, V. Koptev, M. Buescher +10
The reaction pp->pK+Y has been studied with the ANKE spectrometer at COSY-Juelich in order to investigate heavy hyperon production. The missing mass spectra MM(pK+) have been analy…
a0+(980)-resonance production in the reaction pp -> dpi+eta close to the K(bar(K)) threshold
P. Fedorets, M. Buescher, V. P. Chernyshev +20
The reaction pp -> dpi+eta has been measured at a beam energy of T=2.65 GeV (p=3.46 GeV/c) using the ANKE spectrometer at COSY-Juelich. The missing mass distribution of the detecte…