@Article{LHCbCollaborationAaij_etal2023, author="LHCb Collaboration (Aaij, R. et al and Jaimes Elles, S. J. and Jashal, B. K. and Martinez-Vidal, F. and Oyanguren, A. and Rebollo De Miguel, M. and Remon Alepuz, C. and Ruiz Vidal, J. and Sanderswood, I.", title="Search for the rare decays W+ {\textrightarrow} Ds+$\gamma$ and Z {\textrightarrow} D0 $\gamma$ at LHCb", journal="Chinese Physics C", year="2023", publisher="IOP Publishing Ltd", volume="47", number="9", pages="093002--13pp", optkeywords="W/Z boson; rare decay; upper limit of branching fraction", abstract="A search for the rare decays W+ -> D-s(+)gamma and Z -> D-0 gamma and is performed using proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of 13TeV, corresponding to an integrated luminosity of 2.0fb(-1). No significant signal is observed for either decay mode and upper limits on their branching fractions are set using W+ -> mu(+)nu and Z ->mu(+)mu(-)decays as normalization channels. The upper limits are and at 95{\%} confidence level for W+ -> D-s(+)gamma and Z -> D-0 gamma the and decay modes, respectively. This is the first reported search for Z -> D-0 gamma the decay, while the upper limit on the Z -> D-0 gamma branching fraction improves upon the previous best limit.", optnote="WOS:001062397200001", optnote="exported from refbase (https://references.ific.uv.es/refbase/show.php?record=5808), last updated on Wed, 10 Apr 2024 12:39:11 +0000", issn="1674-1137", doi="10.1088/1674-1137/aceae9", opturl="https://arxiv.org/abs/2212.07120", opturl="https://doi.org/10.1088/1674-1137/aceae9", language="English" }