TY - RPRT TI - Helicity evolution at small x AU - Kovchegov, Yuri V. AU - Pitonyak, Daniel AU - Sievert, Matthew D. PY - 2016 DO - 10.1007/jhep01(2016)072 UR - https://www.osti.gov/biblio/1295201 ID - 1295201 ER -