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The branching fractions of D_s meson decays serve to normalize manymeasurements of processes involving charm quarks. Using 298 /pb of e+ e-collisions recorded at a center of mass energy of 4.17 GeV, we determineabsolute branching fractions for eight D_s decays with a double tag technique.In particular we determine the branching fraction B(D_s -> K- K+ pi+) = (5.50+- 0.23 +- 0.16)%, where the uncertainties are statistical and systematicrespectively. We also provide partial branching fractions for kinematic subsetsof the K- K+ pi+ decay mode.

Absolute Measurement of Hadronic Branching Fractions of the D_s^+ Meson