Nd${}^{+}$ isotope shift measurements in a cryogenically-cooled neutral plasma

Nishant Bhatt, Kosuke Kato, Amar C. Vutha

We report measurements of the isotope shifts of two transitions ($4f^{4}6s\to [25044.7{]}_{7/2}^{\circ }$ and $4f^{4}6s\to [25138.6{]}_{7/2}^{\circ }$) in neodymium ions (Nd$…