19. The formula for Tzas it is usually written to include strange baryons is Tz= q– (S + B)/2. Also, we interpret the symbol qin the Tzformula in terms of elementary charge units; this is how qis listed in Table 44-3. In terms of charge qas we have used it in previous chapters, the formula is 1()2zqTBSe=−+. For instance, Tz=+12for the proton (and the neutral Xi) and Tz= −12for the neutron (and the negative Xi). The baryon number B
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