Pomeron and Reggeon contributions to elastic proton-proton and proton-antiproton scattering in holographic QCD

Pomeron and Reggeon contributions to elastic proton-proton and proton-antiproton scattering in holographic QCD
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Pomeron 和 Reggeon 对全息 QCD 中弹性质子-质子和质子-反质子散射的贡献

DOI:
10.1103/physrevd.107.014018
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发表时间:
2022-10
期刊:
影响因子:
5
通讯作者:
Akira Watanabe
Akira Watanabe
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Zhibo Liu;Wei Xie;Akira Watanabe

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考虑雷根区波美龙和雷根交换,研究了弹性质子-质子和弹性质子-反质子散射的总横截面和微分横截面。在我们的模型中,波美龙交换和雷根交换分别用雷格化的自旋-2胶球和矢量介子传播子来描述。这些贡献是如何随着能量的变化而变化的,重点是贡献比。利用实验数据确定了模型中包含的可调参数,得到的总横截面和微分横截面在很大的运动区域内与实验数据一致。
The total and differential cross sections of elastic proton-proton and proton-antiproton scattering are studied in a holographic QCD model, considering the Pomeron and Reggeon exchanges in the Regge regime. In our model setup, the Pomeron and Reggeon exchanges are described by the Reggeized spin-2 glueball and vector meson propagators, respectively. How those contributions change with the energy is explicitly shown, focusing on the contribution ratios. The adjustable parameters included in the model are determined with the experimental data, and it is presented that the resulting total and differential cross sections are consistent with the data in a wide kinematic region.
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