activity
19962023
most citedProperties of baryon resonances from a multichannel partial wave analysis

310 citations · 5.7k across the 141 of their papers we have counts for

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87 papers · 1 filter

nucl-ex2022★ 4 cited

Polarization observables in double neutral pion photoproduction

TAPS Collaboration, T. Seifen, J. Hartmann +73

Measurements of target asymmetries and double-polarization observables for the reaction are reported. The data were taken with the CBELSA/TAPS experiment at the ELS…

nucl-ex2021★ 2 cited

Single Production Off Neutrons Bound in Deuteron with Linearly Polarized Photons

C. Mullen, S. Gardner, D. I. Glazier +79

The quasifree photon beam asymmetry, , has been measured at photon energies, , from 390 to 610 MeV, corresponding to center of mass energy fr…

nucl-ex2020★ 1 cited

(1405) photoproduction at the BGO-OD experiment

Georg Scheluchin, Stefan Alef, Patrick Bauer +30

Since the discovery of the , it remains poorly described by conventional constituent quark models, and it is a candidate for having an "exotic" meson-baryon or "penta-quar…

nucl-ex2020

Strangeness photoproduction at the BGO-OD experiment

Georg Scheluchin, Stefan Alef, Patrick Bauer +30

The BGO-OD experiment at the University of Bonn's ELSA accelerator facility in Germany is ideally suited to investigate photoproduction at extreme forward angles. It combines a hig…

nucl-ex2020★ 9 cited

Measurement of the Charge-Averaged Elastic Lepton-Proton Scattering Cross Section by the OLYMPUS Experiment

J. C. Bernauer, A. Schmidt, B. S. Henderson +67

We report the first measurement of the average of the electron-proton and positron-proton elastic scattering cross sections. This lepton charge-averaged cross section is insensitiv…

nucl-ex2020★ 1 cited

Strangeness Photoproduction at the BGO-OD experiment

T. C. Jude, S. Alef, P. Bauer +30

The BGO-OD experiment at the ELSA accelerator facility uses an energy tagged bremsstrahlung photon beam to investigate the excitation structure of the nucleon. The setup consists o…

nucl-ex2020★ 9 cited

Helicity-dependent cross sections for the photoproduction of pairs from nucleons

M. Dieterle, L. Witthauer, A. Fix +88

The double-polarization observable and helicity-dependent cross sections , have been measured for the photoproduction of pairs off quasi-free protons a…

nucl-ex2020★ 21 cited

photoproduction at forward angles and low momentum transfer

S. Alef, P. Bauer, D. Bayadilov +39

differential cross sections and recoil polarisation data from threshold for extremely forward angles are presented. The measurements were performed at the BG…

nucl-ex2019★ 26 cited

New data on with polarized photons and protons and their implications for decays

J. Müller, J. Hartmann, M. Grüner +86

The polarization observables , and in photoproduction of mesons off protons are measured for photon energies from threshold to MeV (), 2280 MeV ($E…

nucl-ex2019★ 27 cited

Cross Section for measured at Mainz/A2

W. J. Briscoe, M. Hadzimehmedovi, A. E. Kudryavtsev +89

The differential cross section evaluated for 27 energy bins span the photon-energy range 290-813 MeV (W = 1.195-1.553 GeV) and the pion c.m. polar production angles,…

nucl-ex2019★ 3 cited

Measurement of the beam-helicity asymmetry in photoproduction of pairs on carbon, aluminum, and lead

V. Sokhoyan, S. Prakhov, A. Fix +88

The beam-helicity asymmetry was measured, for the first time, in photoproduction of pairs on carbon, aluminum, and lead, with the A2 experimental setup at MAMI. The result…

nucl-ex2019★ 2 cited

Measurement of the Helicity Asymmetry for the reaction

TAPS collaboration, M. Gottschall, F. Afzal +66

A measurement of the double-polarization observable for the reaction is reported. The data were taken with the CBELSA/TAPS experiment at the ELSA facility in Bonn…

nucl-ex2018★ 20 cited

Deuteron photodisintegration by polarized photons in the region of the

M. Bashkanov, S. Kay, D. P. Watts +70

We report the first large-acceptance measurement of the beam-spin asymmetry for deuteron photodisintegration () in the photon energy range ~MeV. The mea…

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★ 16 cited

Photoproduction of eta mesons from the neutron: cross sections and double polarization observable E

L. Witthauer, M. Dieterle, F. Afzal +70

Photoproduction of mesons from neutrons} \abstract{Results from measurements of the photoproduction of mesons from quasifree protons and neutrons are summarized. The experi…

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★ 32 cited

Feasibility study for the measurement of TDAs at PANDA in

PANDA Collaboration, B. Singh, W. Erni +508

The exclusive charmonium production process in annihilation with an associated meson is studied in the framework of QCD collinear factorizatio…

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★ 35 cited

Momentum dependence of the imaginary part of the - and -nucleus optical potential

S. Friedrich, M. Nanova, V. Metag +57

The photoproduction of and mesons off carbon and niobium nuclei has been measured as a function of the meson momentum for incident photon energies of 1.2-2.9 GeV at…

nucl-ex2016★ 37 cited

Determination of the real part of the η'-Nb optical potential

M. Nanova, S. Friedrich, V. Metag +51

The excitation function and momentum distribution of η' mesons have been measured in photoproduction off 93^Nb in the energy range of 1.2-2.9 GeV. The experiment has been performed…

nucl-ex2016★ 20 cited

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

A. Thiel, H. Eberhardt, M. Lang +69

This paper reports on a measurement of the double-polarization observable G in photoproduction off the proton using the CBELSA/TAPS experiment at the ELSA accelerator in Bonn…

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…