| TTP15-021 Next-to-next-to-next-to-leading order QCD prediction for the top anti-top S-wave pair production cross section near threshold in $e^+ e^-$ annihilation |
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| Martin Beneke, Yuichiro Kiyo, Peter Marquard, Alexander Penin, Jan Piclum, and Matthias Steinhauser |
| Phys.Rev.Lett. 115 19, 192001 2015 |
| PDF PostScript arXiv |