1. 13 december 2002H.L. / KVI PAC Meeting1 Pionic fusion: comparison of different spin/isospin channels Study coherence of pion production, role of clustering correlations in the pionic fusion process,  production mechanism: s, p-wave dynamics

2. 13 december 2002H.L. / KVI PAC Meeting2 Existing data and models L. Bimbot et al., PL B 114(82)311 semi-phenomenological model: 3-nucleon transfer by p- 3 He reaction, analytic expressions for transfer formfactors from HO wave functions

3. 13 december 2002H.L. / KVI PAC Meeting3 Interacting cluster model Kajino, Toki, Kubo, PRC 35(87)1370 correlated microscopic cluster wave functions using Resonating Group Method (RGM), NN effective interaction + Coulomb (check charge symmetry), entrance channel distortions by local imaginary potential W D between clusters (from DWBA) compared to shell model wave functions data suggest importance of cluster correlations

4. 13 december 2002H.L. / KVI PAC Meeting4 origin of enhancement in cluster model decomposition of contributions inter-cluster ( 3 H – 4 He) relative motion absorbs large momentum transfer to fused system 7 Li

5. 13 december 2002H.L. / KVI PAC Meeting5 Prediction for  0 fusion to 7 Be chance to separate g.s. and 0.429 excited state: excellent application of dual-range QDC´s simulated CM distribution with 25000 accepted events using cos 2 (  ) distribution for pions experiment strategy: final-state slectivity by  -decay tagging calculations but now data

6. 13 december 2002H.L. / KVI PAC Meeting6 Inclusive d -  fusion M. Andersson et al., PL B 481 (00)165 measured integrated cross section (230 nb and 140 nb at 1.2 and 1.9 MeV above threshold) and strong forward-backward asymmetry data explained by process via quasi-deuteron: overlap  with quasi-d determines angular distribution

7. 13 december 2002H.L. / KVI PAC Meeting7 Systematic study of cluster structures similar processes but with increasingly complex cluster structure: decisive tool: angular distributions final-state slectivity by  -decay tagging 9 Be 3 He n 12 C * 00 10 B d d 12 C * 00 6 Li d 12 C * 00 6 Li d 4 He 3 He n 7 Be * 00 4 He 3 He 7 Be * 00 ?

8. 13 december 2002H.L. / KVI PAC Meeting8 angle acceptance of fusion products max. 3.8 deg in B mode pionic fusion radiative fusion (capture) ground state excited state (15.1 MeV)

9. 13 december 2002H.L. / KVI PAC Meeting9 momentum acceptance of fusion products array of ca. 50 phoswich detectors 100  m plastic/CsI 1.3X4 cm 2 in focal plane of BBS for HI detection: fusion products of 10 – 30 A MeV coverage of momentum distribution by HI detectors: all / accepted events BB

10. 13 december 2002H.L. / KVI PAC Meeting10 Summary ) ( 98 kinematics s-wave p-wave s-wave p-wave Reactions with increasing complexity in cluster structure and different pion kinematics

11. 13 december 2002H.L. / KVI PAC Meeting11 acceptance of neutral pions

12. 13 december 2002H.L. / KVI PAC Meeting12 TAPS schedule ELSA Bonn - 6/03including 2 KVI proposals MAMI-B Mainz6/03 - 6/04with Crystal Barrel KVI7/04 - 6/05setup during part of Trimp setup MAMI-C7/05 - early 07with Crystal Barrel

13. 13 december 2002H.L. / KVI PAC Meeting13 Table of BBS parameters ModeABC distance to Q10.841.141.44m momentum bite131925% solid angle13.09.26.7msr hor. angle span4.13.83.4deg. vert. angle span10.38.06.4deg. hor. magnific.-0.46-0.45-0.44 vert. magnific.-14.3-10.1-6.7 lat. dispersion2.54 cm / % ang. dispersion42 deg.

14. 13 december 2002H.L. / KVI PAC Meeting14 Proposed reactions

15. 13 december 2002H.L. / KVI PAC Meeting15 design of liquid He target as buffer cryostat by Vacuum Specials Co. and P. Dendooven, J. Mulder, H. Timersma, H.L.