Mainz 2012 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 53: Poster – Instrumentation

HK 53.35: Poster

Donnerstag, 22. März 2012, 14:00–16:00, P Foyer

Vienna Progress Report on the New Facility PERC — •Gertrud Konrad — Atominstitut, TU Wien, Austria

Measurements of neutron decay observables address important open questions of particle physics and are generally complementary to direct searches for new physics beyond the Standard Model (SM) in high-energy physics. Main emphasis lies on the search for evidence of possible extensions to the SM and searches for new symmetry concepts.

PERC will perform high-precision measurements of neutron decay correlations at the beam facility MEPHISTO of the FRM-II in Garching. We will present

a) a novel spatial magnetic neutron spin resonator, MONOPOL. High-precision measurements with PERC require a perfect knowledge and control of the key parameters of the neutron beam, i.e., wavelength distribution, degree of polarization, and time structure.

b) a superconducting magnet system. PERC is designed as a source of neutron decay products. The charged decay products are collected by a strong magnetic field directly from inside a neutron guide.

c) a system for particle spectroscopy. Depending on the decay parameters studied, the analysis of the decay products must be performed with different and specialized detectors.