====== LPN11-66 Scattering Amplitudes with Open Loops ======
^  LPN11-66 Scattering Amplitudes with Open Loops  ^
|**F. Cascioli, P. Maierhofer, S. Pozzorini**   | 
|** Phys. Rev. Lett.  108 111601 2012  **    |
|[[http://arxiv.org/abs/1111.5206|arXiv]]  |
| |