@article{Baer:2022He, author = "Baer, Oliver and Broll, Alexander and Sommer, Rainer", title = "{$B\pi$-state contamination in $B$-meson observables}", doi = "10.22323/1.430.0402", journal = "PoS", year = 2022, volume = "LATTICE2022", pages = "402" }