Extraction of the Sivers Function from SIDIS, Drell-Yan, and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>W</mml:mi><mml:mo>±</mml:mo></mml:msup><mml:mo stretchy="false">/</mml:mo><mml:mi>Z</mml:mi></mml:math> Data at Next-to-Next-to-Next-to Leading Order
Physical review letters