Bochum 1998 – scientific programme
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HK: Hadronen und Kerne
HK 3: Instrumentation I, Ion Sources, Targets
HK 3.2: Talk
Monday, March 16, 1998, 14:30–14:45, A
A polarized active target for measurements of πp analyzing powers at low energies — •H. Denz1, R. Bilger1, H. Clement1, J. Gräter1, R. Meier1, J. Pätzold1, G.J. Wagner1, B. van den Brandt2, P. Hautle2, J.A. Konter2, S. Mango2, M. Pavan3, G.R. Smith4, G.J. Hofman5, and K. Föhl6 — 1Physikalisches Institut, Universität Tübingen, Auf der Morgenstelle 14, D-72076 Tübingen, Germany* — 2Paul Scherrer Institute, CH-5323 Villigen PSI, Switzerland — 3Laboratory for Nuclear Science, MIT, Boston MA, USA — 4TRIUMF, 4004 Wesbrook Mall, Vancouver B.C. V6t 2A3, Canada — 5University of Colorado, Boulder, CO 80309, USA — 6Department of Physics and Astronomy, University of Edinborough, UK
Measurements of πp analyzing powers at low energies and forward angles are planned at PSI. The newly developed PSI polarized scintillator target [1] will be used as a means of background suppression. Due to the constrained geometry of the light guide system in the cryogenic target the light collection efficiency is low, and only a well-designed system will provide the desired resolution. We will report on simulations and test measurements for optimization of the target light output.
[1] B. van den Brandt et al., Proc. SPIN96 Symposium, Sept. 10-14, 1996, Amsterdam, Ed. C.W. de Jager, World Scientific, Singapore, 1997 *supported by BMBF (06 TU 886) and DFG (Mu 705/3)