\pt-differential production cross section of \Bzero mesons measured at midrapidity ($|y|0.5$) in pp collisions at $\sqrts=13.6~\TeV$ compared with \kt-factorisation~ calculations. The contributions to the predicted \Bzero production cross section arising from gluon and beauty-quark fragmentation into a \Bzero meson are also shown. Statistical uncertainties are depicted as vertical error bars, and systematic uncertainties as boxes. The systematic uncertainties related to normalisation are quoted separately as text.