...
首页> 外文期刊>The European Physical Journal, A. Hadrons and Nuclei >Deep electroproduction of photons and mesons on the deuteron
【24h】

Deep electroproduction of photons and mesons on the deuteron

机译:氘核上光子和介子的深层电产生

获取原文
获取原文并翻译 | 示例
           

摘要

We study deeply virtual Compton scattering and deep exclusive meson electroproduction on a deuteron target. We model the generalized quark distributions in the deuteron by using the impulse approximation for the lowest Fock-space state on the light cone. We study the properties of the resulting GPDs, and verify that sum rules violations are quite small in the impulse approximation. Numerical predictions are given for the unpolarized cross-sections and polarization asymmetries for the kinematical regimes relevant for JLab experiments and for HERMES at HERA. We conclude that the signal of coherent scattering on the deuteron is comparable to the one on the proton at least for low momentum transfer, providing support to the feasibility of the experiments. The short-distance structure of the deuteron may thus be scrutinized in the near future.
机译:我们研究氘核目标上的深虚拟康普顿散射和深排他介子电生产。通过对光锥上最低的Fock空间状态使用脉冲逼近,我们对氘核中的广义夸克分布进行建模。我们研究了所得GPD的属性,并验证了在脉冲近似中违反总和规则的情况非常小。给出了与JLab实验和HERMES在HERA有关的运动学方案的非极化截面和极化不对称的数值预测。我们得出结论,氘核上的相干散射信号至少在低动量传递方面可与质子上的相媲美,这为实验的可行性提供了支持。因此,在不久的将来可能会审查氘核的短距离结构。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号