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Tübingen 2003 – scientific programme

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HK: Physik der Hadronen und Kerne

HK 45: Instrumentation und Anwendungen VI

HK 45.4: Talk

Thursday, March 20, 2003, 18:00–18:15, C

Measurement of the Depolarization of Polarized Ultra-Cold Neutrons — •Axel Pichlmaier1, E. A. Adles2, Th. Bowles3, J. Butterworth4, P. Geltenbort4, I. Krasnoshekova5, M. Lasakhov5, C.-Y. Liu3, M. Makela6, R. Pattie6, A. Saunders3, A. P. Serebrov5, V. Vasiliev5, R. B. Vogelaar6, and Albert Young21Paul Scherrer Institut, CH-5232 Villigen/PSI, Switzerland — 2North Carolina State University, Raleigh, NC, 27695, USA — 3Los Alamos National Laboratory, Los Alamos, NM 87545, USA — 4Institut Laue Langevin, F-38042 Grenoble Cedex 9, France — 5Petersburg Nuclear Physics Institut, 188300 Gatchina, Russia — 6Virginia Polytechnic Institute and State University, Blacksburg, VA, 24961, USA

The depolarization of polarized ultra-cold neutrons (UCN) is a critical parameter for various experiments (e. g. a measurement of the asymmetry parameters in neutron β-decay or the neutron electric dipole moment). We have measured for the first time the depolarization and transmission of UCN through quartz tubes coated with diamond like carbon.

The experiment will be discussed and first results will be presented.

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