Connecting baryon light-front wave functions to quasi-transverse-momentum-dependent correlators in lattice QCD
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866917325055197184 |
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| author | Rodini, S. Schiavi, A. Pasquini, B. |
| author_facet | Rodini, S. Schiavi, A. Pasquini, B. |
| contents | Within light-front quantization, hadrons can be represented on a Fock-space basis of configurations of elementary partons. The coefficients of the expansion are called light-front wave functions (LFWFs), and encode all the dynamical degrees of freedom. We show how to extract the LFWFs of baryons, such as the proton, from equal-time correlators suitable for Lattice QCD simulations. Using an operator product expansion, we prove the factorization of the relevant correlator in the three-quark color-singlet LFWF, a residual lattice factor, and a soft factor that systematically subtracts the additional divergences arising from the factorization. We verify up to next-to-leading order the independent renormalizability of the LFWF, and we derive the evolution equations that govern its scale dependence. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_08405 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Connecting baryon light-front wave functions to quasi-transverse-momentum-dependent correlators in lattice QCD Rodini, S. Schiavi, A. Pasquini, B. High Energy Physics - Phenomenology High Energy Physics - Lattice Nuclear Theory Within light-front quantization, hadrons can be represented on a Fock-space basis of configurations of elementary partons. The coefficients of the expansion are called light-front wave functions (LFWFs), and encode all the dynamical degrees of freedom. We show how to extract the LFWFs of baryons, such as the proton, from equal-time correlators suitable for Lattice QCD simulations. Using an operator product expansion, we prove the factorization of the relevant correlator in the three-quark color-singlet LFWF, a residual lattice factor, and a soft factor that systematically subtracts the additional divergences arising from the factorization. We verify up to next-to-leading order the independent renormalizability of the LFWF, and we derive the evolution equations that govern its scale dependence. |
| title | Connecting baryon light-front wave functions to quasi-transverse-momentum-dependent correlators in lattice QCD |
| topic | High Energy Physics - Phenomenology High Energy Physics - Lattice Nuclear Theory |
| url | https://arxiv.org/abs/2603.08405 |