Analysis tools for next-generation hadron spectroscopy experiments
M Battaglieri, BJ Briscoe, A Celentano… - arXiv preprint arXiv …, 2014 - arxiv.org
The series of workshops on New Partial-Wave Analysis Tools for Next-Generation Hadron
Spectroscopy Experiments was initiated with the ATHOS 2012 meeting, which took place in …
Spectroscopy Experiments was initiated with the ATHOS 2012 meeting, which took place in …
Coupled-channel dynamics in the reactions πN → πN, ηN, KΛ, KΣ
D Rönchen, M Döring, F Huang, H Haberzettl… - The European Physical …, 2013 - Springer
Elastic πN scattering and the world data of the family of reactions π− p→ ηn, K 0 Λ, K 0 Σ 0,
K+ Σ−, and π+ p→ K+ Σ+ are described simultaneously in an analytic, unitary, coupled …
K+ Σ−, and π+ p→ K+ Σ+ are described simultaneously in an analytic, unitary, coupled …
Physics opportunities with meson beams
Over the past two decades, meson photo-and electroproduction data of unprecedented
quality and quantity have been measured at electromagnetic facilities worldwide. By …
quality and quantity have been measured at electromagnetic facilities worldwide. By …
The hypercentral constituent quark model and its application to baryon properties
MM Giannini, E Santopinto - arXiv preprint arXiv:1501.03722, 2015 - arxiv.org
The hypercentral Constituent Quark Model (hCQM) for the baryon structure is reviewed and
its applications are systematically discussed. The model is based on a simple form of the …
its applications are systematically discussed. The model is based on a simple form of the …
Eta photoproduction in a combined analysis of pion-and photon-induced reactions
D Rönchen, M Döring, H Haberzettl… - The European Physical …, 2015 - Springer
The ηN final state is isospin-selective and thus provides access to the spectrum of excited
nucleons without being affected by excited Δ states. To this end, the world database on eta …
nucleons without being affected by excited Δ states. To this end, the world database on eta …
Photocouplings at the pole from pion photoproduction
D Rönchen, M Döring, F Huang, H Haberzettl… - The European Physical …, 2014 - Springer
The reactions γp→π^0p and γp→π^+n are analyzed in a semi-phenomenological approach
up to E∼2.3 GeV. Fits to differential cross section and single-and double-polarization …
up to E∼2.3 GeV. Fits to differential cross section and single-and double-polarization …
-meson production in the resonance-energy region
V Shklyar, H Lenske, U Mosel - Physical Review C—Nuclear Physics, 2013 - APS
We perform an updated coupled-channel analysis of η-meson production including all
recent photoproduction data on the proton. The dip observed in the differential cross …
recent photoproduction data on the proton. The dip observed in the differential cross …
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 …
are measured for photon energies from threshold to W= 2400 MeV (T), 2280 MeV (E), 1620 …
Introducing the Pietarinen expansion method into the single-channel pole extraction problem
We present a new approach to quantifying pole parameters of single-channel processes
based on a Laurent expansion of partial-wave T matrices in the vicinity of the real axis …
based on a Laurent expansion of partial-wave T matrices in the vicinity of the real axis …
Relevance of complex branch points for partial wave analysis
A central issue in hadron spectroscopy is to deduce—and interpret—resonance parameters,
namely, pole positions and residues, from experimental data, for those are the quantities to …
namely, pole positions and residues, from experimental data, for those are the quantities to …