On the mechanisms of heavy-quarkonium hadroproduction

JP Lansberg - The European Physical Journal C, 2009 - Springer
We discuss the various mechanisms potentially at work in hadroproduction of heavy
quarkonia in the light of computations of higher-order QCD corrections both in the colour …

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 …

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 …

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 …

[HTML][HTML] On the cross section ratio σn/σp in η photoproduction

M Döring, K Nakayama - Physics Letters B, 2010 - Elsevier
The recently discovered enhancement of η photoproduction on the quasi-free neutron at
energies around s∼ 1.67 GeV is addressed within a SU (3) coupled channel model. The …

Nucleon and Δ resonances in photoproduction from nucleons

Y Oh, CM Ko, K Nakayama - Physical Review C—Nuclear Physics, 2008 - APS
The reaction mechanisms for K Σ (1385) photoproduction from the reaction γ p→ K+ Σ 0
(1385) in the resonance energy region are investigated in a hadronic model. Both …

Two-photon decays of hadronic molecules

C Hanhart, YS Kalashnikova, AE Kudryavtsev… - Physical Review D …, 2007 - APS
In many calculations of the two-photon decay of hadronic molecules, the decay matrix
element is estimated using the wave function at the origin prescription, in analogy to the two …

Pion photoproduction in a dynamical coupled-channels model

F Huang, M Döring, H Haberzettl, J Haidenbauer… - Physical Review C …, 2012 - APS
The charged and neutral pion photoproduction reactions are investigated in a dynamical
coupled-channels approach based on the formulation of Haberzettl, Huang, and Nakayama …

Nucleon and resonances in photoproduction

NC Wei, AC Wang, F Huang, K Nakayama - Physical Review D, 2022 - APS
The most recent data on beam asymmetries Σ and beam-target asymmetries E from the
CLAS Collaboration, together with the previous data on differential cross sections and beam …

Nucleon resonances in

AC Wang, WL Wang, F Huang, H Haberzettl… - Physical Review C, 2017 - APS
The high-precision cross section data for the reaction γ p→ K*+ Λ reported by the CLAS
Collaboration at the Thomas Jefferson National Accelerator Facility have been analyzed …