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Tagging fast neutrons from an (241)Am/(9)Be source.

J Scherzinger¹, J R M Annand², G Davatz³

¹Division of Nuclear Physics, Lund University, SE-221 00 Lund, Sweden; Detector Group, European Spallation Source ESS AB, SE-221 00 Lund, Sweden.

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|February 4, 2015

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This summary is machine-generated.

Researchers developed a method to tag fast neutrons from an Americium-241/Beryllium (Am/Be) source. This creates an energy-tagged neutron beam up to 7 MeV, matching theoretical predictions.

Area of Science:

Nuclear physics
Radiation detection

Background:

Fast neutron beams are crucial for various applications in science and industry.
Characterizing neutron energy is essential for accurate experimental results.

Purpose of the Study:

To develop and demonstrate a technique for producing an energy-tagged fast neutron beam.
To characterize the energy spectrum of the generated neutron beam.

Main Methods:

Utilized shielding, coincidence detection, and time-of-flight (TOF) measurements.
Employed an Americium-241/Beryllium (Am/Be) neutron source.
Tagged emitted fast neutrons up to 7 MeV.

Main Results:

Successfully generated a continuous, polychromatic, energy-tagged neutron beam.

Keywords:

Americium–beryllium Fast neutrons Gamma-rays Time-of-flight

Related Experiment Videos

The measured neutron energy structure showed qualitative agreement with prior experimental data.

The experimental results aligned with theoretical calculations for the neutron energy distribution.

Conclusions:

The implemented method effectively produces an energy-tagged neutron beam.
The technique validates theoretical models of neutron emission from Am/Be sources.
This method offers a valuable tool for neutron research requiring energy-specific beams.