Journal of High Energy Physics Journal of High Energy Physics, Vol 2019, Iss 5, Pp 1-27 (2019) Journal of high energy physics 1905(05), 201 (2019). doi:10.1007/JHEP05(2019)201 Journal of high energy physics 2019(5), 201 (2019). doi:10.1007/JHEP05(2019)201 JOURNAL OF HIGH ENERGY PHYSICS