Gießen 2007 – scientific programme
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HK: Fachverband Physik der Hadronen und Kerne
HK 48: Instrumentation und Anwendungen
HK 48.4: Talk
Thursday, March 15, 2007, 15:00–15:15, E
Lattice studies for the COSY and the AD ring — •A. Garishvili1, A. Lehrach2, P. Lenisa3, B. Lorentz2, R. Maier2, S. Martin2, F. Rathmann2, E. Steffens1, and H. Ströher2 — 1Physikalisches Institut II, Erlangen, Germany — 2Forschungszentrum Jülich, Jülich, Germany — 3Istituto Nazionale di Fisica Nucleare, Ferrara, Italy
In the framework of the FAIR [1] project, the PAX collaboration has suggested new experiments using polarized antiprotons [2]. The central physics issue is now to study the polarization build-up by spin filtering of antiprotons via multiple passage through an internal polarized gas target. The goals for spin-filtering experiments with protons at COSY are to test our understanding of the spin-filtering processes and to commission the setup for the AD experiments with antiprotons at the AD (CERN). Spin-filtering experiments with antiprotons at the AD will allow us to determine the total spin-dependent transversal and longitudinal cross sections. The low-beta section at COSY is composed of two superconducting quadrupole magnets on each side of the target, while at the AD, we will use three quadrupoles on each side. In this talk, we will discuss the lattice considerations for COSY and AD to carry out the planned spin-filtering studies.
[1] Conceptual Design Report for an International Facility for Antiproton and Ion Research, www.gsi.de/GSI-future/cdr.
[2] PAX Technical Proposal, www.fz-juelich.de/ikp/pax.