[填空题]
What is the temperature7c8k4ln;4h 6z pg rg+m/w ws3hlra3ji that corresponds to 1.8-TeV collisions at the Fermila8pbl2 v5gh8uvc* wti7fz h1-nb coll5gbup8wlvcz- h21tfvni* h87ider? To what era in cosmological history does this correspond? [Hint: see (Fig. Below).] T $= $ $\times 10^{16}\ \text{K}$
