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Updated: Mar 19, 2026
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Experimental Methods for Spin- and Angle-Resolved Photoemission Spectroscopy Combined with Polarization-Variable Laser
Published on: June 28, 2018
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Superconducting UCN Polarizer for a New EDM Spectrometer
A Serebrov1, M Lasakov1, A Fomin1
1St. Petersburg Nuclear Physics Institute, Gatchina, Russia.
Summary
Ultracold neutrons (UCN) transmission through aluminum foil increased 3.8 times in a strong magnetic field. This enhanced passage is attributed to faster UCN velocities interacting with the foil.
Area of Science:
- Nuclear Physics
- Materials Science
Background:
- Ultracold neutrons (UCN) are crucial for fundamental physics research.
- Understanding UCN interactions with materials is key for experimental design.
Purpose of the Study:
- To investigate the effect of a strong magnetic field on UCN transmission through an aluminum foil.
- To determine the factors influencing UCN passage through materials.
Main Methods:
- An experiment was conducted using a 100 μm aluminum foil.
- A 5 Tesla magnetic field was applied during the transmission of UCN.
- The number of transmitted UCN in a specific polarization state was measured.
Main Results:
- A 3.8-fold increase in UCN transmission was observed with the magnetic field applied.
- The enhanced transmission was correlated with higher UCN velocities.
Conclusions:
- Strong magnetic fields can significantly alter UCN transmission properties.
- UCN velocity plays a critical role in their interaction with materials like aluminum.
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