Darmstadt 2016 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 37: Instrumentation IX

HK 37.2: Vortrag

Mittwoch, 16. März 2016, 14:30–14:45, S1/01 A3

A versatile cold pulsed neutron beam facility for particle physics at the ESS: ANNI — •Camille Theroine¹, Hartmut Abele², Gertrud Konrad^2,3, Bastian Märkisch¹, Ulrich Schmidt⁴, and Torsten Soldner⁵ — ¹Physik Department, TU München, Germany — ²Atominstitut, TU Wien, Austria — ³Stefan Meyer Institute, Wien, Austria — ⁴Physikalisches Institut, Universität Heidelberg, Germany — ⁵Institut Laue-Langevin, Grenoble, France

Particle Physics with neutrons performs sensitive tests of the Standard Model and searches for new interactions and symmetries. State-of-the-art high precision measurements require to combine well-designed instrumentation with a powerful neutron source.

In this prospect, the unique capabilities of the European Spallation Source (Lund, Sweden), namely the high peak flux and the inherent time structure of the neutron beam, will permit to push the frontiers of precision experiments. For instance, this source offers the possibility to resolve and separate beam-related systematic effects at full statistics, in parallel to data taking.

In order to exploit these possibilities we propose a new facility as part of the ESS instrument suite: ANNI. ANNI is optimized to study neutron decay, hadronic parity violation, and electromagnetic properties of the neutron and will outperform existing facilities by at least one order of magnitude. In this presentation, the scientific case, the concept and the expected performance of ANNI will be discussed.