Pion and kaon <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mo stretchy="false">⟨</mml:mo><mml:msup><mml:mi>x</mml:mi><mml:mn>3</mml:mn></mml:msup><mml:mo stretchy="false">⟩</mml:mo></mml:math> from lattice QCD and PDF reconstruction from Mellin moments
Physical review. D/Physical review. D.