Simulation studies for source optimization in $^{96}$Zr $β$ decay

The single $β$ decay of $^{96}$Zr to the ground state of $^{96}$Nb is spin forbidden and poses a great experimental challenge. The $β$ decay of $^{96}$Zr can be studied via coincident detection of de-exciting gamma rays in $^{96}$Mo, which is the end product of $^{96}$Nb $β$ decay. Simulations are done with four HPGe detector setup (~33% relative efficiency each) to optimize the source configuration. The results suggest that ~70g of 50% enriched $^{96}$Zr will yield sensitivity comparable to the reported results.

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