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<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi mathvariant="normal">Θ</mml:mi><mml:mo>+</mml:mo></mml:msup></mml:math>production at high energy
We show that the cross sections of the ${\mathrm{\ensuremath{\Theta}}}^{+}$-pentaquark production in different processes decrease with energy faster than the cross sections of production of the conventional three-quark hyperons. Therefore, the threshold region with the initial energy of a few GeV or less seems to be more favorable for the production …