Baryons as relativistic three-quark bound states

G Eichmann, H Sanchis-Alepuz, R Williams… - Progress in Particle and …, 2016 - Elsevier
We review the spectrum and electromagnetic properties of baryons described as relativistic
three-quark bound states within QCD. The composite nature of baryons results in a rich …

Electromagnetic excitation of the Δ (1232)-resonance

V Pascalutsa, M Vanderhaeghen, SN Yang - Physics reports, 2007 - Elsevier
We review the description of the lowest-energy nucleon excitation—the Δ (1232)-resonance.
Much of the recent experimental effort has been focused on the precision measurements of …

Electromagnetic transition form factors of baryon resonances

G Ramalho, MT Peña - Progress in Particle and Nuclear Physics, 2024 - Elsevier
Recent experimental and theoretical advancements have led to significant progress in our
understanding of the electromagnetic structure of nucleons (N), nucleon excitations (N∗) …

Study of non-strange baryon resonances with meson photoproduction

B Krusche, S Schadmand - Progress in Particle and Nuclear Physics, 2003 - Elsevier
Photoproduction of mesons is an excellent tool for the study of nucleon resonances.
Complementary to pion induced reactions, photoproduction on the free proton contributes to …

Radiative transitions of heavy baryons: Effective quark mass scheme

A Hazra, S Rakshit, R Dhir - Physical Review D, 2021 - APS
We calculate the magnetic moments of ground state JP= 1 2+ and JP= 3 2+ heavy flavor
charm and bottom baryon states employing the concept of effective mass based on single …

New results on the Roper resonance and the P11 partial wave

AV Sarantsev, M Fuchs, M Kotulla, U Thoma, J Ahrens… - Physics Letters B, 2008 - Elsevier
Properties of the Roper resonance, the first scalar excitation of the nucleon, are determined.
Pole positions and residues of the P11 partial wave are studied in a combined analysis of …

[HTML][HTML] Elucidating the nature of hidden-charm pentaquark states with spin-32 through their electromagnetic form factors

U Özdem - Physics Letters B, 2024 - Elsevier
We perform a systematic study of the electromagnetic properties of exotic states to shed light
on their nature, which is still controversial and not fully understood. The magnetic dipole and …

Spin , spin , and transition magnetic moments of low lying and charmed baryons

N Sharma, H Dahiya, PK Chatley, M Gupta - Physical Review D—Particles …, 2010 - APS
Magnetic moments of the low lying and charmed spin 1 2+ and spin 3 2+ baryons have been
calculated in the SU (4) chiral constituent quark model (χ CQM) by including the contribution …

Gravitational form factors of the baryon via QCD sum rules

Z Dehghan, K Azizi, U Özdem - Physical Review D, 2023 - APS
The gravitational form factors of a hadron are defined through the matrix elements of the
energy-momentum tensor current, which can be decomposed into the quark and gluonic …

Analysis of the isospin eigenstate , , and pentaquarks by their electromagnetic properties

U Özdem - The European Physical Journal C, 2024 - Springer
To shed light on the nature of the controversial and not yet fully understood exotic states, we
are carrying out a systematic study of their electromagnetic properties. The magnetic …