Using the CLEO detector, we have measured the branching ratios for the exclusive decays of the Ds+ meson into K*0K+, K0K+, and K*+K0 relative to the decay Ds+→φπ+ to be close to unity. We have also measured the mass diference between the Ds+ and D+ meson to be 98.5±1.5 MeV/c2.
Bibliographical noteFunding Information:
We are gratefulf or the excellenet ffortso f the CESR staff which made this work possible.R . Kass thanks the OJI program of the DOE, P.S. Drell thanks the PYI program of the NSF, and R. Poling thanks the A.P. Sloan Foundation for support. This work was supportedb y the National ScienceF oundationand the US Departmento f Energy under contract Nos. DE-AC02(76ER01428, 76ER03066, 76ER03064, 76ER01545,7 6ER05001) , and FG05-86-ER40272. The Cornell National Supercomputing Facility, funded in part by the NSF, NY State and IBM, was used in this research.