Light baryon spectroscopy

A Thiel, F Afzal, Y Wunderlich - Progress in Particle and Nuclear Physics, 2022 - Elsevier
This review treats the advances in Light Baryon Spectroscopy of the last two decades, which
were mainly obtained by measuring meson-production reactions at photon facilities all over …

Photoproduction reactions and non-strange baryon spectroscopy

DG Ireland, E Pasyuk, I Strakovsky - Progress in Particle and Nuclear …, 2020 - Elsevier
We review the last two decades of using photon beams to measure the production of
mesons, and in particular the information that can be obtained on the spectrum of light, non …

The impact of new polarization data from Bonn, Mainz and Jefferson Laboratory on multipoles

AV Anisovich, R Beck, M Döring, M Gottschall… - The European Physical …, 2016 - Springer
New data on pion-photoproduction off the proton have been included in the partial-wave
analyses Bonn-Gatchina and SAID and in the dynamical coupled-channel approach Jülich …

Extended SAID partial-wave analysis of pion photoproduction

WJ Briscoe, A Schmidt, I Strakovsky, RL Workman… - Physical Review C, 2023 - APS
A unified Chew-Mandelstam description of single-pion photoproduction data, together with
pion-and η-hadroproduction data, has been extended to include measurements carried out …

The impact of photoproduction on the resonance spectrum

D Rönchen, M Döring, UG Meißner - The European Physical Journal A, 2018 - Springer
The Jülich-Bonn coupled-channel framework is extended to K^+Λ K+ Λ photoproduction.
The spectrum of nucleon and Δ Δ resonances is extracted from simultaneous fits to several …

New data on γ→ p→→ ηp with polarized photons and protons and their implications for N⁎→ Nη decays

J Müller, J Hartmann, M Grüner, F Afzal, AV Anisovich… - Physics Letters B, 2020 - Elsevier
The polarization observables T, E, P, H, and G in photoproduction of η mesons off protons
are measured for photon energies from threshold to W= 2400 MeV (T), 2280 MeV (E), 1620 …

[HTML][HTML] Resonances in QCD

MFM Lutz, JS Lange, M Pennington, D Bettoni… - Nuclear Physics A, 2016 - Elsevier
We report on the EMMI Rapid Reaction Task Force meeting 'Resonances in QCD', which
took place at GSI October 12–14, 2015. A group of 26 people met to discuss the physics of …

Double-polarization observable G in neutral-pion photoproduction off the proton

CBELSA/TAPS Collaboration, A Thiel… - The European Physical …, 2017 - Springer
This paper reports on a measurement of the double-polarization observable G in π^0 π 0
photoproduction off the proton using the CBELSA/TAPS experiment at the ELSA accelerator …

Photoproduction of mesons off protons and neutrons in the second and third nucleon resonance regions

M Dieterle, D Werthmüller, S Abt, F Afzal… - Physical Review C, 2018 - APS
Background: Photoproduction of mesons off quasifree nucleons bound in the deuteron
allows us to study the electromagnetic excitation spectrum of the neutron and the isospin …

Determining the dominant partial wave contributions from angular distributions of single-and double-polarization observables in pseudoscalar meson photoproduction

Y Wunderlich, F Afzal, A Thiel, R Beck - The European Physical Journal A, 2017 - Springer
This work presents a simple method to determine the significant partial wave contributions to
experimentally determined observables in pseudoscalar meson photoproduction. First, fits to …