Abstract
The cross sections for the pseudoscalar Higgs boson pair production at the one-loop level in photon-photon collisions are calculated in the framework of the minimal supersymmetric standard model. We find that the cross sections of the process , which do not strongly depend on the choices of the value of and photon-photon centre-of-mass system (CMS) energy , are generally in the range 0.01 fb to 1 fb for and 2000 GeV. The total cross sections for the process are less than 1 fb for and CMS energy and 2000 GeV. Thus, it is difficult to investigate the pseudoscalar Higgs boson pair production at the next linear collider (NLC).
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