EMI2, the counting efficiency for electron capture by a \(KL_1 L_2 L_3 M\) model. (English) Zbl 0967.81536

Grau Malonda, A.; Grau Carles, A.; Grau Carles, P.; Galiano Casas, G.

Comput. Phys. Commun. 123, No. 1-3, 114-122 (1999).

Summary: The program EMI2 computes the liquid-scintillation counting efficiency for pure electron capture, single isomeric and electron capture-gamma nuclides. In this second version, the atomic rearrangement process subsequent to electron capture is described in terms of a more sophisticated \(KL_1L_2L_3M\) model of 264 different pathways. The addition of Coster-Kronig transitions improves the accuracy of the method, especially for nuclides of low atomic numbers. A Monte Carlo method is applied to simulate the photoelectric and Compton interactions of \(X\)- and \(\gamma\)-photons with the scintillator inside the vial geometry.

MSC:

81V35	Nuclear physics
81-08	Computational methods for problems pertaining to quantum theory

Keywords:

liquid-scintillation; pure electron capture; single isomeric and electron capture-gamma nuclides; Coster-Kronig transitions; Monte Carlo method; photoelectric and Compton interactions

Software:

EMI2