Consider the decays of the J/ into with their measured branching ratios and Determine the isospin

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Consider the decays of the J/ψ into ρπ with their measured branching ratios

 J/y → pa pTt (1.69 ± 0.15) x 10-2 all  


and

 J/w → p°z° 0_0 (0.56 + 0.07) × 10-2 all


Determine the isospin of the J/ψ.

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