activity
20122019
most citedCoherent photoproduction of eta-mesons off 3He - search for eta-mesic nuclei

84 citations · 570 across the 17 of their papers we have counts for

collaborators

18 papers

nucl-ex2019★ 14 cited

Spin polarizabilities of the proton by measurement of Compton double-polarization observables

D. Paudyal, P. P. Martel, G. M. Huber +90

The Compton double-polarization observable has been measured for the first time in the resonance region using a circularly polarized photon beam incident on a lo…

nucl-ex2017★ 24 cited

First measurement of the polarization observable and helicity-dependent cross sections in single photoproduction from quasi-free nucleons

M. Dieterle, L. Witthauer, F. Cividini +84

The double-polarization observable and the helicity-dependent cross sections and have been measured for the first time for single photoproduction fr…

nucl-ex2017★ 24 cited

Helicity-dependent cross sections and double-polarization observable E in eta photoproduction from quasi-free protons and neutrons

L. Witthauer, M. Dieterle, S. Abt +84

Precise helicity-dependent cross sections and the double-polarization observable were measured for photoproduction from quasi-free protons and neutrons bound in the deutero…

nucl-ex2017★ 31 cited

Insight into the narrow structure in {\boldmath{}}-photoproduction on the neutron from helicity dependent cross sections

L. Witthauer, M. Dieterle, S. Abt +83

The double polarization observable and the helicity dependent cross sections and were measured for photoproduction from quasi-free protons and neutrons.…

nucl-ex2017★ 55 cited

Study of and photoproduction at MAMI

V. L. Kashevarov, P. Ott, S. Prakhov +87

The reactions and have been measured from their thresholds up to the center-of-mass energy GeV with the tagged-photon facilities at the Mainz Microt…

nucl-ex2016★ 21 cited

Photoproduction ofeta-pi pairs off nucleons and deuterons

A. Kaeser, F. Mueller, J. Ahrens +66

Quasi-free photoproduction of -pairs has been investigated from threshold up to incident photon energies of 1.4 GeV, respectively up to photon-nucleon invariant masses up to 1.…

nucl-ex2016★ 11 cited

Photon asymmetry measurements of for E=320650 MeV

S. Gardner, D. Howdle, M. H. Sikora +97

High statistics measurements of the photon asymmetry for the pp reaction have been made in the center of mass energy range W=1214-145…

nucl-ex2015

Photoproduction of -pairs off protons and off neutrons

M. Dieterle, M. Oberle, J. Ahrens +71

Total cross sections, angular distributions, and invariant-mass distributions have been measured for the photoproduction of pairs off free protons and off nucleons bound i…

nucl-ex2015

The isospin structure of photoproduction of pi-eta pairs from the nucleon in the threshold region

A. Käser, J. Ahrens, J. R. M. Annand +71

Photoproduction of -pairs from nucleons has been investigated from threshold up to incident photon energies of ~1.4~GeV. The quasi-free reactions …

nucl-ex2014★ 42 cited

Measurements of Double-Polarized Compton Scattering Asymmetries and Extraction of the Proton Spin Polarizabilities

P. P. Martel, R. Miskimen, P. Aguar-Bartolome +76

The spin polarizabilities of the nucleon describe how the spin of the nucleon responds to an incident polarized photon. The most model-independent way to measure the nucleon spin p…

nucl-ex2014★ 59 cited

Quasifree photoproduction of mesons off protons and neutrons

A2 Collaboration, D. Werthmüller, L. Witthauer +72

Differential and total cross sections for the quasifree reactions and have been determined at the MAMI-C electron accelerator using a liquid deu…

nucl-ex2014★ 28 cited

Photoproduction of pi0-mesons off neutrons in the nucleon resonance region

M. Dieterle, I. Keshelashvili, J. Ahrens +71

Precise angular distributions have been measured for the first time for the photoproduction of -mesons off neutrons bound in the deuteron. The effects from nuclear Fermi mot…

nucl-ex2014★ 22 cited

Measurement of the beam-helicity asymmetry in the photoproduction of -pairs off protons and off neutrons

M. Oberle, J. Ahrens, J. R. M. Annand +72

Beam-helicity asymmetries have been measured at the MAMI accelerator in Mainz for the photoproduction of mixed-charge pion pairs in the reactions …

nucl-ex2013★ 29 cited

Quasi-free photoproduction of eta-mesons off 3He nuclei

L. Witthauer, D. Werthmueller, I. Keshelashvili +70

Quasi-free photoproduction of -mesons has been measured off nucleons bound in He nuclei for incident photon energies from the threshold region up to 1.4 GeV. The experiment…

nucl-ex2013★ 48 cited

A narrow structure in the excitation function of eta-photoproduction off the neutron

D. Werthmueller, L. Witthauer, I. Keshelashvili +69

The photoproduction of -mesons off nucleons bound in H and He has been measured in coincidence with recoil protons and recoil neutrons for incident photon energies from…

nucl-ex2013★ 30 cited

Measurement of the beam-helicity asymmetry in the photoproduction of -pairs off the proton and off the neutron

M. Oberle, B. Krusche, J. Ahrens +72

Beam-helicity asymmetries have been measured at the MAMI accelerator in Mainz for the photoproduction of neutral pion pairs in the reactions and $\vecγd…

nucl-ex2012★ 48 cited

Accurate Test of Chiral Dynamics in the \boldmath Reaction

D. Hornidge, P. Aguar Bartolome, J. R. M. Annand +64

A precision measurement of the differential cross sections and the linearly polarized photon asymmetry $Σ\equiv (dσ_\perp - dσ_\parallel) \slash (dσ_\perp + dσ_\parallel)$…

nucl-ex2012★ 84 cited

Coherent photoproduction of eta-mesons off 3He - search for eta-mesic nuclei

F. Pheron, J. Ahrens, J. R. M. Annand +71

Coherent photoproduction of -mesons off He, i.e. the reaction , has been investigated in the near-threshold region. The experiment was performed…