====== LPN11-06 One-Loop Helicity Amplitudes for ttbar Production at Hadron Colliders ======
^  LPN11-06 One-Loop Helicity Amplitudes for ttbar Production at Hadron Colliders  ^
|**S. Badger, R. Sattler, V. Yundin**   | 
|** Phys. Rev.  D83 074020  2011  **    |
|[[http://arxiv.org/abs/1101.5947|arXiv]]  |
| |