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Mainz 2012 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 39: Hadronenstruktur und -spektroskopie

HK 39.1: Group Report

Thursday, March 22, 2012, 16:30–17:00, RW 2

Kaon pair production in pp, pd, dd and pA collisions at COSY — •Michael Hartmann1, Andrey Polyanskiy1, and Qiujian Ye1,21Institut für Kernphysik, Forschungszentrum Jülich, 52425 Jülich, Germany — 2Physics Department, Duke University, Durham, NC 27708, USA

The near-threshold production of φ-mesons decaying into K+K, as well as non-resonant (KK) pairs, has been investigated in proton-proton, proton-deuteron and deuteron-deuteron collisions at the Cooler Synchrotron COSY. These data are sensitive to some of the interactions in the Kp, KK, and φ p channels. Studies of φ production in proton-nucleus collisions have also been recently undertaken. A review of the results obtained over the last few years will be given, together with a forward look on the ongoing investigations.

Supported by DFG and the COSY-FFE program.

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