1. Helmholtz-Zentrum Dresden-Rossendorf (not a summary of summaries)
B. Kämpfer
Conclusion
(not a summary of summaries)

2. Emergence of Structure
nuclei
Transport Codes
Nuclei
ab initio calc.
e.w.
Nuclear „Theory“
hadrons
e.w.
Hadrons
EFT: ChPT, ...
Phenomenological Models:
OBE, ...
hadrons
Gravity
QCD
e.w.
symmetry 2 1 3
Standard Model
Quantum Field Theory

3. NN Bremsstrahlung S Multi-OBE* Model guidance principle:
Kroll-Ruderman N
+ ISI + FSI
guidance principle:
minimum number of diagrams 36

4. ad hoc formfactors Tree-Level Interaction Lagrangians particles
resonances
ad hoc formfactors N N
may destroy symmetries
parametrie soft QCD
Plain Multi-OBE Model: missing unitarity
 K Matrix

5. VMD model p p n n HADES data DLS data PLB 690 (2010) 118
Phys. Rev. Lett. 79 (1997) 1229
PRC 2009
Shyam, Mosel, PRC 82 (2010)
Kaptari, BK,
NPA 764 (2006) 338
PRC 80 (2009)
VMD model p n p n

6. p n n p
t channel

7. OBE guidance: minimum set of diagrams
s channel
u channel
OBE guidance: minimum set of diagrams
Regge type approaches: duality of s vs. t channels
interesting aspect: quantum interference of
Soyeur, Lutz, Friman, nucl-th/
Titov, BK, EPJA 12 (2001) 217,
Titov, BK, Reznik, PRC 65 (2002)
Lutz, Friman, Soyeur, NPA 713 (2003) 97

8. - probes the isoscalar part of e.m. current
- is sensitive to resonance dynamics
parameters (couplings & phases) from quark model
Riska, Brown, NPA 679 (2001) 577
1.6 GeV
1.8 GeV

9. M = 0.6 GeV

10. Going into the Charm Sector / FAIR
very different predictions by Haidenbauer, Krein, PLB 687 (2010) 314
Titov, BK, PRC 78 (2008)
Kaidalov
Goritschnig
„an impressive qualitative difference“

11. Conclusion Hadron physics needs theory tools:
Epelbaum
Leupold
Lutz
Meissner
Oset
...
Hadron physics needs theory tools:
systematic book keeping (expansion) parameter(s)
(counting scheme)
Phenomenological models have merits
but need control

12. Dropping Masses? Volkov 1935 Phys. Lett. 19 (1966) 702 not yet found
not found

13. HADES data DLS data arXiv:0910.5875 Phys. Rev. Lett. 79 (1997) 1229
PRC 2009
NPA 2006