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T: Fachverband Teilchenphysik

T 58: Suche nach neuer Physik 4

T 58.9: Gruppenbericht

Mittwoch, 6. März 2013, 18:50–19:10, WIL-C133

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

Important open questions of particle physics and cosmology are addressed with precision measurements in neutron beta decay. Main emphasis lies on the search for evidence of possible extensions to the Standard Model and searches for new symmetry concepts. In general, these measurements are complementary to direct searches in high-energy physics. With the new facility PERC several symmetry tests based on neutron decay data become competitive.

PERC is under development by an international collaboration and will be installed at the FRM II in Garching, Germany. At its exit, PERC delivers neutron decay products under well-defined and precisely variable conditions. Depending on the coefficients studied, the analysis of the extracted decay particles is performed with different and specialized detectors.

Besides the physics motivation and status of PERC, different detector concepts are presented, such as a novel R×B drift momentum spectrometer for the search of left-handed scalar and tensor interactions.