标题： 平面外横向动量在双喷注产生中的核扩展 显示英文标题

标题： Nuclear Broadening of Out-of-Plane Transverse Momentum in Di-Jet Production

摘要： 最近声称的在二喷注产生中\cite{dj1,dj2,FC}的异常核效应，是考虑到入射/散射部分子在核物质中的多重相互作用进行分析的。 我们推导了截面的A依赖性和核广度的横向动量之间的模型无关关系。 与数据的比较表明，参与硬过程的部分子的初态/末态相互作用同样剧烈。 这是支持强虚夸克形成粒子时颜色中和半径较小的一个有力论据。 显示英文摘要

摘要： Recently claimed \cite{dj1,dj2,FC} anomalous nuclear effects in di-jet production are analyzed in view of multiple interaction of projectile/ejectile partons in nuclear matter. We derive model--independent relations between A-dependence of the cross section and nuclear broadening of transverse momentum. Comparison with the data show that initial/final state interaction of partons participating in hard process is hard as well. This is a solid argument in favor of smallness of a color neutralization radius of a hadronizing highly virtual quark.