Single and pair <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>J</mml:mi><mml:mo>/</mml:mo><mml:mi>ψ</mml:mi></mml:math> production in the improved color evaporation model using the parton Reggeization approach
Physical review. D/Physical review. D.