Transferred Polarization in ?º Electroproduction
In this work ?º electroproduction via the ep ? e?'K+?º reaction is investigated. In particular the polarization of the ?º that is transferred from the incoming polarized electron beam is measured. The data was obtained in the 1999 E1C running period at the Thomas Jefferson National Accelerator Facility at a beam energy of 2.567 GeV, and covers a wide kinematic range. The polarization can be extracted from the distribution of the decay proton of the daughter L that is the result of the ?º decay. The polarization was found along three different sets of coordinate axes and the dependence of the polarization on different kinematic variables was investigated. The polarization is in general quite large, but with large statistical uncertainties. The values obtained for the polarization are then compared to the predictions of several hadrodynamic models and conclusions about the validity of these models and the intermediate states included in them are drawn.
School Location:USA - Ohio
Source Type:Master's Thesis
Keywords:sigma polarization electroproduction
Date of Publication:01/01/2002