Role of the low-lying nucleon resonances in the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi><mml:mover accent="true"><mml:mi>p</mml:mi><mml:mo stretchy="false">¯</mml:mo></mml:mover><mml:mo stretchy="false">→</mml:mo><mml:mi>ψ</mml:mi><mml:mi>η</mml:mi></mml:math> reaction
Physical review. D/Physical review. D.