Aaij, R. et al. (LHCb Collaboration)R. et al. (LHCb Collaboration)AaijPISIN CHEN2019-12-262019-12-262013https://scholars.lib.ntu.edu.tw/handle/123456789/441147[SDGs]SDG7Measurement of the fragmentation fraction ratio f <inf>s</inf> /f <inf>d</inf> and its dependence on B meson kinematicsjournal article10.1007/JHEP04(2013)0012-s2.0-84964523409https://www.scopus.com/inward/record.uri?eid=2-s2.0-84964523409&doi=10.1007%2fJHEP04%282013%29001&partnerID=40&md5=78df50f764c7e056a6afedb3c2117b7f