Speaker
Description
Understanding the internal structure of the proton—including its mass spectrum, structure functions, and electromagnetic and gravitational form factors—remains a central challenge in hadronic physics. While lattice QCD and experimental measurements provide valuable insights, holographic methods are a meaningful complementary tool. Here, we employ different holographic approaches to calculate these quantities. Specifically, we use the VQCD model and the modified soft-wall model to study the mass spectrum and form factors, obtaining results consistent with experimental data and lattice QCD calculations. In addition, we employ the J/ψ production cross section to extract the trace anomaly contribution to the proton mass, yielding a value of approximately 24%, which also agrees with lattice QCD findings. This work highlights the power of holography as a complementary tool for probing the proton's internal structure from both classical and quantum-gravity-inspired perspectives.
base on Jiali Deng and Defu Hou: Phys.Rev.D 112 (2025) 3, 036011; Phys.Rev.D 114 (2026) 2, 026013; arXiv:2512.17554, EPJC(2026) in press
| Academic Status | I am a Ph.D. student |
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