标题： 评论“近阈值 NN → d π 中重介子交换的作用” 显示英文标题

标题： Comment on "Role of heavy meson exchange in near threshold N N --> d pi"

摘要： 在C. J. Horowitz（Phys. Rev. C{\bf 48}, 2920 (1993)）最近的一篇论文中，将重介子交换引入到阈值NN --> d pi过程中，以增强被严重低估的截面。 然而，该计算对初始和最终动量做了不合理的假设，导致该效应被高估了3–4倍。 我指出，即使在阈值处，包含Delta(1232)同位素也会显著增加截面。 显示英文摘要

摘要： In a recent paper by C. J. Horowitz (Phys. Rev. C {\bf 48}, 2920 (1993)) a heavy meson exchange is incorporated into threshold NN --> d pi to enhance the grossly underestimated cross section. However, that calculation uses an unjustified assumption on the initial and final momenta, which causes an overestimate of this effect by a factor of 3--4. I point out that the inclusion of the Delta(1232) isobar increases the cross section significantly even at threshold.