Abstract

We review the achievements of the project B.5 , that deals with the calculation of in-medium properties of vector mesons and an analysis of their experimental signals, with a particular emphasis on the ω photoproduction data from CBELSA/TAPS. Other topics addressed include color transparency, pion electroproduction on nucleons, the Primakoff effect for nuclear targets and studies of hadronization at the EIC.

Highlights

  • Introduction and motivationThe project B.5 has been funded for the first and second funding period of the SFB/TR 16

  • This research project aimed at an investigation of selfenergies of vector mesons in medium and an analysis of their experimental signals

  • Since the ELSA experiments use a semi-hadronic channel to look for the inmedium properties of the omega meson close to threshold particular focus was the study of the in-medium production cross section and the effects of final state branching ratios and interactions

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Summary

Introduction and motivation

The project B.5 has been funded for the first and second funding period of the SFB/TR 16. This research project aimed at an investigation of selfenergies of vector mesons in medium and an analysis of their experimental signals. On one hand, these selfenergies were calculated using state-of-the-art many-body techniques. In close collaboration with the CBELSA/TAPS collaboration, the observable signals of any in-medium changes of hadronic properties were studied. Since the ELSA experiments use a semi-hadronic channel to look for the inmedium properties of the omega meson close to threshold particular focus was the study of the in-medium production cross section and the effects of final state branching ratios and interactions. Due to the retirement of the PI in 2011, this very successfull project was terminated at the end of the second funding period

First funding period 2004-2008
Vector meson spectral functions
Development of the project
Analysis of transparency ratio
Lineshape analysis
Color transparency
Pion electroproduction on nucleons
Hadronization in the EIC
Primakoff effect
Review articles
Full Text
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