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UCN, the ultracold neutron source -- neutrons for particle physics

by Bernhard Lauss, Bertrand Blau

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Submission summary

Authors (as Contributors): Bernhard Lauss
Submission information
Arxiv Link: (pdf)
Date accepted: 2021-06-16
Date submitted: 2021-06-08 23:17
Submitted by: Lauss, Bernhard
Submitted to: SciPost Physics Proceedings
Proceedings issue: Review of Particle Physics at PSI
Ontological classification
Academic field: Physics
  • Nuclear Physics - Experiment
Approach: Experimental


Ultracold neutrons provide a unique tool for the study of neutron properties. An overview is given of the ultracold neutron (UCN) source at PSI, which produces the highest UCN intensities to fundamental physics experiments by exploiting the high intensity proton beam in combination with the high UCN yield in solid deuterium at a temperature of 5K. We briefly list important fundamental physics results based on measurements with neutrons at PSI.

Published as SciPost Phys. Proc. 5, 004 (2021)

List of changes

The value of the iotopic purity of D2 was added.

Submission & Refereeing History

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Resubmission 2104.02457v2 on 8 June 2021

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