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TAPS at the KVI in 2005. What are the physics goals? What is the required setup? What is the present status? What still needs to happen? Who is involved? When do we plan to be ready?. 1997 op het KVI. proposals involving TAPS at KVI. proposals involving TAPS at KVI.
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TAPS at the KVI in 2005 What are the physics goals? What is the required setup? What is the present status? What still needs to happen? Who is involved? When do we plan to be ready? 1997 op het KVI H.L., TAPS at KVI in 2005
proposals involving TAPS at KVI H.L., TAPS at KVI in 2005
proposals involving TAPS at KVI H.L., TAPS at KVI in 2005
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 WD between clusters (from DWBA) compared to shell model wave functions data suggest importance of cluster correlations H.L., TAPS at KVI in 2005
p-wave 10B 12C* 4He 7Be* d n d 3He 0 0 s-wave 6Li 9Be 12C* d 12C* n 0 3He d 0 6Li very complementary! Effect of cluster structures on production • contacts with theorists: • Volya (ANL), co-author • H. Toki (RMF + field) • calculates cluster structure of 8Be • O. Scholten, R. Timmermans • (KVI contact and interest) • no final theory predictions yet, • theorists wait for systematic experiments! similar processes but with increasing complexity in cluster structure: 3He + 9Be experiment is very complementary, crucial for cluster mechanism: requires 39 additional shift! H.L., TAPS at KVI in 2005
Planned setup of TAPS with Plastic Ball at the BBS Plastic Ball needs to be re-installed ... and equipped with Inner Shell TAPS needs to be placed New detectors for Heavy Ions in BBS Li beam and target Liquid He target H.L., TAPS at KVI in 2005
results from experiment F09: d + p 3He + (e+e-) locus of 2-body final state 3He + 3He in BBS for 10o ring of in PB (deg.) 145o 3He (deg.) 3He (deg.) Pball operation together with BBS has been proven H.L., TAPS at KVI in 2005
Situationaround target H.L., TAPS at KVI in 2005
Inner Shell for Plastic Ball complete set of detectors is ready: 70 elements of CsI, with fixations for hanging inside Plastic Ball H.L., TAPS at KVI in 2005
busy in front of the BBS + new detectors for heavy ions behind the BBS: electronics H.L., TAPS at KVI in 2005
array of detector bars in BBS focal plane array of 50 detectors 100 m plastic/CsI 1.3X4 cm2 for fusion products: 10 -- 30 MeV/u ready to order 335 mm B momentum determination ( p/p 1 %) by particle ID and detector position H.L., TAPS at KVI in 2005
Test results with C and O beam energy resolution: 1% (rms) position dependence: 0.3 – 0.9 % H.L., TAPS at KVI in 2005
He gas out L N2 in Liquid He target:buffer cryostaatVacuum Specials Co. (NL) 3,4He target gas in Design is finalized: pumping on the cool-cel with liquid 4He (50 mbar) we reach a temperature of 2K target tests planned in summer 2004 10 cm L 4He @ 1 bar, 4.2 K mounting as for LH2 target pumping pipe valve adjusting pumping speed 3,4He target gas cool-cel 50mbar, 2K target holder beamheight H.L., TAPS at KVI in 2005
plan for data acquisition for TAPS++ TAPS PBall + IShell LRC4291 TDC PBall + IShell TDC Dbus Interf. LRC 4298 LRC 2280 CC A2 LRC 4299 PBall + IShell LRC 2282 QDC CC A2 LRC 2280 LinuxPC + PBall + BBS PCI-VME PCI-VME CBD 8212 Sync Mod PBall + IShell LRC 2282 QDC CC A2 LRC 2280 LinuxPC BBS + HIdet. (FERA QDC) CC A2 Sync Mod PCI-VME CBD 8212 PCI-VME H.L., TAPS at KVI in 2005
Manpower Co-ordination physics and setup: H. Löhner PlasticBall sub-project: J. Bacelar Collaboration from outside KVI: TAPS collaboration, in particular Giessen, Warsaw (Co-spokespersons), and Zagreb Co-ordinator (design phase): Henk Smit (engineer, drawing office) Co-ordinator (He target): Harry Timersma (research technician) Co-ordinator (setup phase): ? 1 PhD position granted at KVI 1 PhD position hoped for at KVI 1 –3 PhD positions Giessen, Warsaw, Zagreb ? H.L., TAPS at KVI in 2005