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Radioactive 222Rn daughter nuclides on a paper strip

L Peralta1, T Paiva2 and C Ortigão1

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The isotope 222Rn belongs to the 238U decay chain and can be obtained from natural mineral sources. The fact that radon is a gas and its radionuclide daughters get implanted on surrounding materials allows a set of different experiments in radiation physics. These experiments range from isotope decay time measurement to alpha, beta and gamma spectroscopy. To solve the radioactive decay chain equations, a simple iterative method is used as an alternative to the exact analytical solution.


PACS

23.60.+e Alpha decay

27.90.+b A ≥ 220

02.60.-x Numerical approximation and analysis

23.40.-s Beta decay; double beta decay; electron and muon capture

01.50.Pa Laboratory experiments and apparatus

Subjects

Computational physics

Nuclear physics

Education and communication

Dates

Issue 2 (March 2003)

Received 8 August 2002, in final form 13 October 2002

Published 20 January 2003



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