Journal of High Energy Physics Journal of High Energy Physics, Springer Verlag (Germany), 2017, 03(2017) (3), pp.061. ⟨10.1007/JHEP03(2017)061⟩ Journal of High Energy Physics, 2017, 03(2017) (3), pp.061. ⟨10.1007/JHEP03(2017)061⟩ Journal of high energy physics 1703(03), 061 (2017). doi:10.1007/JHEP03(2017)061