Table:
text: D meson
List of D mesons
D mesons
Particle_name Particle_symbol Antiparticle_symbol Quark_content Rest_mass_MeV_c_2_ J_P_C Mean_lifetime_s_ Commonly_decays_to_5_of_decays
D meson D + D − c d 1,869.62±0.20 0 − 1.040 ± 0.007 × 10 −12 See D + decay modes
D meson D 0 D 0 c u 1,864.84±0.17 0 − 4.101 ± 0.015 × 10 −13 See D 0 decay modes
Strange D meson D + s D − s c s .47 ± .33 0 − .00 ± .07 × 10− See D + s decay modes

Question: What is the antiparticle symbol with a residual measurement (mev/c2) of 0.47 ± 0.33 for D meson?