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Bochum 2009 – wissenschaftliches Programm

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HK: Fachverband Hadronen und Kerne

HK 61: Fundamental Symmetries

HK 61.5: Vortrag

Mittwoch, 18. März 2009, 17:45–18:00, H-ZO 70

Investigations of the Charge Symmetry conserving break-up reaction dd3He n π0 with WASA-at-COSY — •Pawel Podkopal — Nuclear Physics Division, Jagiellonian University, Cracow

One of the primary objectives of the experimental program with the WASA at COSY detector is the determination of p-wave contribution to the Charge Symmetry breaking amplitude in the reaction dd → α π at 1.2 GeV/c beam momentum. As a first step the Charge Symmetry conserving break-up reaction dd3He n π0 was measured to provide missing parameters for the theoretical analysis in the framework of Chiral Pertubation Theory. For example, the reaction can be used to gain information on the deuteron-deuteron initial state interaction for s- and p-wave pion production as necessary input for the theoretical description of the CSB reaction. Moreover, total as well as differential cross sections will serve as a testing ground for the calculation of the Charge Symmetry conserving channel.

The status of the analysis of data collected at the end of 2007 will be presented.

* Supported by FZ Jülich, EU FP6, BMBF, and Wallenberg Foundation.
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