Sensitivity of ${}^{229}$Th nuclear clock transition to variation of the fine-structure constant

Pavel Fadeev, Julian C. Berengut, Victor V. Flambaum

Peik and Tamm [Europhys. Lett. 61, 181 (2003)] proposed a nuclear clock based on the isomeric transition between the ground state and the first excited state of thorium-229. This t…