Accelerate He ions on to Thorium

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SUMMARY

The discussion focuses on the feasibility of breeding protactinium (Pa) from thorium (Th) using accelerated helium (He) ions. It confirms that while an (alpha, p) reaction can produce Pa, a more efficient method involves neutron capture in Th-232, which transforms into Th-233. This process subsequently decays into Pa-233, which further decays into fissile U-233. The discussion emphasizes the advantages of neutron capture over direct ion bombardment for protactinium production.

PREREQUISITES
  • Understanding of nuclear reactions, specifically (alpha, p) reactions.
  • Knowledge of thorium isotopes, particularly Th-232 and Th-233.
  • Familiarity with neutron capture processes in nuclear physics.
  • Basic concepts of radioactive decay, including the decay chains of Pa-233 and U-233.
NEXT STEPS
  • Research the mechanisms of (alpha, p) reactions in nuclear physics.
  • Study the neutron capture process in Th-232 and its implications for nuclear fuel cycles.
  • Explore the decay chain from Th-233 to U-233 and its significance in nuclear energy.
  • Investigate the production and applications of fissile materials in nuclear reactors.
USEFUL FOR

Nuclear physicists, researchers in nuclear energy, and professionals involved in the development of thorium-based fuel cycles will benefit from this discussion.

edpell
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Can we breed protactinium from thorium by hitting it with accelerated He ions?
 
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edpell said:
Can we breed protactinium from thorium by hitting it with accelerated He ions?
If one induces an (alpha, p) reaction, then one could produce Pa. However, it would be much easier to produce Pa with neutron capture in Th-232, which becomes Th-233, which decays to Pa-233, which decays to U-233, which is fissile.

See the attached for nuclides of Th, Pa, and U.
 

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