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D L Bleuel¹, S G Anderson¹, L A Bernstein²

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Summary

This summary is machine-generated.

This study measured the argon-40 (d,p) argon-41 cross section to assess argon as a deuteron beam stopping material. Results indicate a higher cross section than previously reported, impacting safety assessments.

Keywords:

Argon cross section γray activation

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Area of Science:

Nuclear physics
Materials science

Background:

Argon is a potential material for stopping deuteron beams in accelerators.
Accurate cross-section data is crucial for safety evaluations and beam control.

Purpose of the Study:

To measure the 40Ar(d,p)41Ar cross section at specific deuteron energies.
To evaluate the safety and feasibility of using argon as a deuteron beam stopping material.

Main Methods:

Activation method using a 16-MeV deuteron beam from a cyclotron.
Deuteron energy degradation using nickel foils and an aluminum gas chamber.
Measurement of 41Ar activation using a high-purity germanium detector.

Main Results:

Cross sections for the 40Ar(d,p)41Ar reaction were determined at 3.6, 5.5, and 7.0 MeV.
Measured cross sections were approximately 40% larger than a prior experimental value.

Conclusions:

The measured cross-section data provides critical information for the safe use of argon.
Higher cross-section values necessitate a re-evaluation of argon's suitability as a beam stopping material.