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Darmstadt 2016 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 45: Postersession

HK 45.6: Poster

Wednesday, March 16, 2016, 18:30–20:30, S1/05 22-24

Identification of deuterons in pddX reactions at ANKE* — •Marcel Rump, Christopher Fritzsch, Alfons Khoukaz, and Daniel Schröer for the ANKE collaboration — Institut für Kernphysik, Westfälische Wilhelms-Universität, 48149 Münster, Germany

The collisions of protons and deuterons open up many interesting hadron physics topics, e.g., the interaction between pseudoscalar mesons and hadrons. In this regard a measurement of pddη psp has been realized at the ANKE spectrometer at the COSY accelerator of the Forschungszentrum Jülich to investigate the production mechanism of η mesons as well as their interaction with nuclear matter. Another reaction that can be studied with the same dataset is the two-pion production pddπ+π psp. In both cases the deuteron acts as an effective neutron target while the proton is handled as a spectator particle. The Fermi motion of these particles combined with the two different beam momenta (p1= 2.09 GeV/c and p2= 2.25 GeV/c) allow to study the low and high-mass enhancement in isoscalar Mππ spectra corresponding to the ABC effect as well as total and differential cross sections. To analyze these reactions an identification of the final deuteron is of high relevance. Recent results of the identification and detector calibration procedure will be presented and discussed.

*Supported by the FFE program of the Forschungszentrum Jülich

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