Meson Table

      
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MESON Quark Antiquark Net Mass of Quarks
(GeV, to 2 decimal places)
Actual Mass of Meson
(GeV, to 2 decimal places)
pi + u d 0.01 0.14
K+ d s 0.11 0.49
K- s u 0.10 0.49
K0 d s 0.11 0.50
rho + u d 0.01 0.77
B0 d b 4.31 5.28
eta c c c 2.60 2.98
D+ c d 1.31 1.87
D- d c 1.31 1.87
D0 c u 1.30 1.87
Ds+ c s 1.40 1.97
Ds- s c 1.40 1.97
upsilon b b 8.60 9.46

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