Nucleon Resonance Electroexcitation Amplitudes and Emergent Hadron Mass
Abstract
:1. Introduction
2. Basics for Insight into EHM Using CSMs
2.1. CSMs and the EHM Paradigm
2.2. Some Highlights from the EHM Experiment-Theory Connection
3. Nucleon Resonance Electrocouplings and Their Impact on the Insight into EHM
3.1. Extraction of Electrocouplings from Exclusive Meson Electroproduction Data
3.2. Insights into the Dressed-Quark Mass Function from the Electrocouplings
3.3. Novel Tests of CSM Predictions
4. Studies of Structure in Experiments with CLAS12 and Beyond
5. Conclusions and Outlook
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
Abbreviations
CM | center-of-mass |
CSM | continuum Schwinger function method |
DCSB | dynamical chiral symmetry breaking |
data point | |
EHM | emergence of hadron mass |
EIC | Electron-Ion Collider (at Brookhaven National Laboratory) |
EicC | Electron-ion collider China |
HB | Higgs boson |
JLab | Thomas Jefferson National Accelerator Facility (Jefferson Laboratory) |
JM | JLab-Moscow State University |
lQCD | lattice-regularized quantum chromodynamics |
NG (mode/boson) | Nambu-Goldstone (mode/boson) |
PDFs | Particle Distribution Functions |
PDG | Particle Data Group (and associated publications) |
pQCD | perturbative QCD |
QCD | quantum chromodynamics |
RMS | root mean square |
RPP | Review of Particle Properties (and associated publications) |
sQCD | strong QCD |
SM | Standard Model of particle physics |
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Proton | Neutron | |
---|---|---|
Measured masses (MeV) | 938.2720813 ± 0.0000058 | 939.5654133± 0.0000058 |
Sum of the current quark masses (MeV) | 8.09 | 11.50 |
Contribution of the current quark masses to the measured nucleon mass (%) | <1.1 | <1.4 |
Meson Electroproduction Channels | Excited Proton States | Ranges for Extracted Electrocouplings, GeV |
---|---|---|
, | 0.16–6 | |
, | 0.30–4.16 | |
0.30–4.16 | ||
, | 1.6-4.5 | |
0.2–2.9 | ||
, | 0.25–1.50 | |
, | 2.0–5.0 | |
, , | ||
0.50–1.50 | ||
, | 0.50-1.50 |
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Carman, D.S.; Gothe, R.W.; Mokeev, V.I.; Roberts, C.D. Nucleon Resonance Electroexcitation Amplitudes and Emergent Hadron Mass. Particles 2023, 6, 416-439. https://doi.org/10.3390/particles6010023
Carman DS, Gothe RW, Mokeev VI, Roberts CD. Nucleon Resonance Electroexcitation Amplitudes and Emergent Hadron Mass. Particles. 2023; 6(1):416-439. https://doi.org/10.3390/particles6010023
Chicago/Turabian StyleCarman, Daniel S., Ralf W. Gothe, Victor I. Mokeev, and Craig D. Roberts. 2023. "Nucleon Resonance Electroexcitation Amplitudes and Emergent Hadron Mass" Particles 6, no. 1: 416-439. https://doi.org/10.3390/particles6010023