Aaij, R. et al. (LHCb Collaboration)R. et al. (LHCb Collaboration)AaijPISIN CHEN2019-12-262019-12-262013https://scholars.lib.ntu.edu.tw/handle/123456789/441088Search for D<inf>(s)</inf><sup>+</sup> → π<sup>+</sup>μ<sup>+</sup>μ<sup>-</sup> and D<inf>(s)</inf><sup>+</sup> → π<sup>-</sup>μ<sup>+</sup>μ<sup>+</sup> decaysjournal article10.1016/j.physletb.2013.06.0102-s2.0-84937644699https://www.scopus.com/inward/record.uri?eid=2-s2.0-84937644699&doi=10.1016%2fj.physletb.2013.06.010&partnerID=40&md5=edd4564f7b7ddda6d3572e7c55af354e