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Article
Measurement of the helicity dependence for single \(\pi ^{0}\) photoproduction from the deuteron
The helicity-dependent single \(\pi ^{0}\) π 0 ...
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Article
Observation of a structure in the \(M_{p\eta }\) invariant mass distribution near 1700 \(\hbox {MeV}/\hbox {c}^2\) in the \(\gamma \mathbf {p \rightarrow p \pi ^0 \eta } \) reaction
The reaction \(\gamma p \rightarrow p \pi ^0 \eta \) γ p ...
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Article
Open AccessSingle \(\pi ^0\) production off neutrons bound in deuteron with linearly polarized photons
The quasifree \(\overrightarrow{\gamma } d\rightarrow \pi ^0n(p)\) ...
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Article
Open AccessMeasurement of the helicity asymmetry E for the reaction \( \gamma p\rightarrow \pi ^0 p\)
A measurement of the double-polarization observable E for the reaction \(\gamma p\rightarrow \pi ^0 p\) ...
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Article
Open AccessExperimental study of the \( \gamma p \rightarrow K^{0}\Sigma^{+}\), \( \gamma n \rightarrow K^{0} \Lambda\), and \( \gamma n \rightarrow K^{0} \Sigma^{0}\) reactions at the Mainz Microtron
This work measured \( \mathrm{d}\sigma/\mathrm{d}\Omega\)dσ/dΩ for neutral kaon photoproduction reactions from threshold up to a c.m. energy of 1855MeV, focussing specifically on the $ \gamma p\rightarrow K^0\Sigma...
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Article
The \(\eta^{\prime}\) -carbon potential at low meson momenta
The production of \(\eta^{\prime}\) η ...
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Photoproduction of \(\eta\) mesons from the neutron: Cross sections and double polarization observable E
Results from measurements of the photoproduction of \(\eta\) η ...
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Article
Determination of the scalar polarizabilities of the proton using beam asymmetry \(\Sigma_{3}\) in Compton scattering
The scalar dipole polarizabilities, \(\alpha_{E1}\) ...
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Article
Open AccessPhoton asymmetry measurements of \(\overrightarrow{\gamma}p \rightarrow \pi^{0} p\) for \(E_{\gamma}=\) 320-650 MeV
High-statistics measurements of the photon asymmetry \(\Sigma\) Σ ...
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Article
Momentum dependence of the imaginary part of the \( \omega\) - and \( \eta^{\prime}\) -nucleus optical potential
The photoproduction of \( \omega\) and $ ...
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Article
Photoproduction of \(\eta\) \(\pi\) pairs off nucleons and deuterons
Quasi-free photoproduction of \(\pi\eta\) -pairs has been investigated from threshold up to incident photon energies of ...
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Article
Open AccessPhotoproduction of \( \pi^{0}\) -pairs off protons and off neutrons
Total cross sections, angular distributions, and invariant-mass distributions have been measured for the photoproduction of $ \pi^{0}\...
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Article
Interference phenomena in the JP = 1/2− wave in η photoproduction
The recent precise experimental results for the photoproduction of η-mesons off the neutron measured with the Crystal Ball/TAPS calorimeter at the MAMI accelerator have been investigated in detail in the framewor...
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Article
Helicity dependence of the γ 3He → πX reactions in the Δ(1232) resonance region
The helicity dependences of the differential cross sections for the semi-inclusive γ 3He → π0 X and γ 3He → π± X reactions have been measured for th...
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Open AccessMeasurement of the beam-helicity asymmetry I⊙ in the photoproduction of \( \pi^{0}\) \( \pi^{\pm}\) pairs off protons and off neutrons
Beam-helicity asymmetries have been measured at the MAMI accelerator in Mainz for the photoproduction of mixed-charge pion pairs in the reactions ...
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Article
Open AccessQuasi-free photoproduction of η-mesons off 3He nuclei
Quasi-free photoproduction of η-mesons has been measured off nucleons bound in 3He nuclei for incident photon energies from the threshold region up to 1.4 GeV. The experiment was performed at the tagged photon fa...
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In-medium modifications of the ω meson near the production threshold
The in-medium properties of the ω meson were investigated at the MAMI-C electron accelerator using the Crystal Ball/TAPS detector system to identify ω mesons through their ω → π 0 ...
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Article
Coherent photoproduction of π0- and η-mesons off 7Li
Coherent photoproduction of π0-mesons from threshold (E th ≈ 136 MeV) throughout the Δ-resonance region and of η-mesons close to the production threshold (E ...
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Article
Quasi-free photoproduction of η-mesons off the deuteron
Precise data for quasi-free photoproduction of η-mesons off the deuteron have been measured at the Bonn ELSA accelerator with the combined Crystal Barrel/TAPS detector for incident photon energies up to 2.5GeV. T...
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Article
Feasibility studies of the EXL setup for FAIR using the GSI storage ring ESR
The investigation of light-ion induced direct reactions in inverse kinematics, using stored and cooled radioactive beams, interacting with internal H, He, etc. gas-jet targets, bears a large potential for n...
