$t\bar t$ cross section near the production threshold in NNLO of NRQCD
Abstract
Description
The cross section near the $t\bar t$ production threshold in $e^+e^-$ annihilation and $γγ$ collisions is discussed. The NNLO results within NRQCD are briefly overviewed.
17 pages, latex, 1 figure. Talk presented at Quarks-2000 Seminar, Pushkin, Russia, May 13-21, 2000
17 pages, latex, 1 figure. Talk presented at Quarks-2000 Seminar, Pushkin, Russia, May 13-21, 2000