The proton radius: From a puzzle to precision

Abstract

We comment on the status and history of the proton charge radius determinations.

arXiv comment3 pp, solicited article for News&Views, Science Bulletin, accepted for publication, abstract only for the arXiv version

References in corpus (11)

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• Parameterization and applications of the low-$Q^2$ nucleon vector form factors
• High-accuracy calculation of the deuteron charge and quadrupole form factors in chiral effective field theory
• Isovector electromagnetic form factors of the nucleon from lattice QCD and the proton radius puzzle
• High-precision determination of the electric and magnetic radius of the proton
• Dispersion-theoretical analysis of the electromagnetic form factors of the nucleon: Past, present and future
• Fresh extraction of the proton charge radius from electron scattering
• Implication of the hidden sub-GeV bosons for the $(g-2{)}_{\mu }$, ${}^8$Be-${}^4$He anomaly, proton charge radius, EDM of fermions and dark axion portal
• Constraining the nucleon size with relativistic nuclear collisions
• Moving away from singly-magic nuclei with Gorkov Green's function theory
• Probing the internal structure of baryons
• Pion charge radius from pion+electron elastic scattering data
• Model-independent determination of the nucleon charge radius from lattice QCD
• Hadron and light nucleus radii from electron scattering
• The potential of $\Lambda$ and ${\Xi }^{-}$ studies with PANDA at FAIR
• Precision calculation of the electromagnetic radii of the proton and neutron from lattice QCD
• Towards Precision Muonic X-Ray Measurements of Charge Radii of Light Nuclei
• Electromagnetic form factors of the nucleon from $N_f=2+1$ lattice QCD
• Towards an independent determination of muon g-2 from muonium spectroscopy
• Radiative and chiral corrections to elastic lepton-proton scattering in chiral perturbation theory
• Pauli radius of the proton
• Low energy doubly-virtual Compton scattering from di-lepton electroproduction on a nucleon
• Supernova Neutrinos as a Precise Probe of Nuclear Neutron Skin
• The proton magnetic radius: a new puzzle?
• Chiral Perturbation Theory Reflections on Effective Theories of the Standard Model
• Elastic Positron-Proton Scattering at Low Q${}^2$
• A theory vade mecum for PSI experiments
• Differential Cross Section Predictions for PRad-II from Dispersion Theory
• Reaching precise proton affinities in non-Born-Oppenheimer calculations
• Method for measuring the charge radii of charged hyperons from the time-like region
• Disentangling effects of nucleon size and nucleus structure in relativistic heavy-ion collisions
• Precision measurement of the ${}^{43}$Ca${}^{+}$ nuclear magnetic moment
• Measuring the Low-Energy Weak Mixing Angle with Supernova Neutrinos