activity
19932023
most citedMeasurement of quantum states of neutrons in the Earth's gravitational field

252 citations · 1.6k across the 52 of their papers we have counts for

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5 papers · 1 filter

nucl-ex2019★ 28 cited

Limit on the Fierz Interference Term b from a Measurement of the Beta Asymmetry in Neutron Decay

Heiko Saul, Christoph Roick, Hartmut Abele +7

In the standard model of particle physics, the weak interaction is described by vector and axial-vector couplings only. Non-zero scalar or tensor interactions would imply an additi…

nucl-ex2019

Happy Birthday, Ultra-Cold Neutron!

Hartmut Abele, Tobias Jenke, Hartmut Lemmel

What is driving the accelerated expansion of the universe and do we have an alternative for Einstein's cosmological constant? What is dark matter made of? Do extra dimensions of sp…

nucl-ex2019★ 5 cited

Undetected Electron Backscattering in PERKEO III

Christoph Roick, Heiko Saul, Hartmut Abele +1

The beta asymmetry in neutron beta decay is used to determine the ratio of axial-vector coupling to vector coupling most precisely. In electron spectroscopy, backscattering of elec…

nucl-ex2018★ 55 cited

Exotic decay channels are not the cause of the neutron lifetime anomaly

D. Dubbers, H. Saul, B. Märkisch +2

Since long neutron lifetimes measured with a beam of cold neutrons are significantly different from lifetimes measured with ultracold neutrons bottled in a trap. It is often specul…

nucl-ex2006

Imaging with Scattered Neutrons

H. Ballhausen, H. Abele, R. Gaehler +2

We describe a novel experimental technique for neutron imaging with scattered neutrons. These scattered neutrons are of interest for condensed matter physics, because they permit t…