A lattice QCD formula for the proton electric form factor is derived including a confinement boundary term, but no numerical calculation of the proton radius is performed.
Lattice QCD Can Study Parton Distribution Function Inside Hadron
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abstract
Recently we have reported that the lattice QCD can not study the physical hadron formation from the unphysical quarks and gluons because it operates the unphysical QCD Hamiltonian of all the partons inside the hadron on the physical energy eigenstate of the hadron to obtain the physical energy eigenvalue of the hadron. However, since the parton distribution function (PDF) inside the hadron is unphysical (although it is well defined in QCD), we find in this paper that the unphysical energy of all the partons inside the hadron (instead of the physical energy of the hadron) can be used to study the PDF using the lattice QCD. Hence we find that the lattice QCD can study the parton distribution function inside the hadron from the first principle.
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physics.gen-ph 1years
2019 1verdicts
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Lattice QCD Method To Study Proton Radius Puzzle
A lattice QCD formula for the proton electric form factor is derived including a confinement boundary term, but no numerical calculation of the proton radius is performed.