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NLO QCD corrections for<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>J</mml:mi><mml:mo stretchy="false">/</mml:mo><mml:mi>ψ</mml:mi><mml:mo>+</mml:mo><mml:mi>c</mml:mi><mml:mo>+</mml:mo><mml:mover accent="true"><mml:mi>c</mml:mi><mml:mo stretchy="false">¯</mml:mo></mml:mover></mml:math>production in photon-photon collision
The $\ensuremath{\gamma}+\ensuremath{\gamma}\ensuremath{\rightarrow}J/\ensuremath{\psi}+c+\overline{c}$ inclusive process is an extremely important subprocess in $J/\ensuremath{\psi}$ production via photon-photon scattering, like at LEPII or various types of future electron-positron colliders. In this work we perform the next-to-leading order (NLO) QCD corrections to this process in the framework of nonrelativistic QCD (NRQCD) factorization formalism, the first …