activity
19972022
most citedFirst observation of in-medium modifications of the omega meson

195 citations · 1.6k across the 31 of their papers we have counts for

collaborators
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28 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★ 11 cited

Observation of a structure in the M invariant mass distribution near 1700 MeV/ in the reaction

V. Metag, M. Nanova, J. Hartmann +74

The reaction has been studied with the CBELSA/TAPS detector at the electron stretcher accelerator ELSA in Bonn for incident photon energies from threshold…

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-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★ 30 cited

The polarization observables T, P, and H and their impact on multipoles

J. Hartmann, H. Dutz, A. V. Anisovich +76

Data on the polarization observables T, P, and H for the reaction are reported. Compared to earlier data from other experiments, our data are more precise and extend t…

nucl-ex2015★ 14 cited

Measurement of double polarisation asymmetries in -photoproduction

H. Eberhardt, T. C. Jude, H. Schmieden +72

The first measurements of the beam-target-helicity-asymmetries and in the photoproduction of -mesons off protons at the CBELSA/TAPS experiment are reported. () wa…

nucl-ex2014★ 31 cited

The N(1520) 3/2- helicity amplitudes from an energy-independent multipole analysis based on new polarization data on photoproduction of neutral pions

J. Hartmann, H. Dutz, A. V. Anisovich +74

New data on the polarization observables T, P, and H for the reaction are reported. The results are extracted from azimuthal asymmetries when a transversely polarized…

nucl-ex2014★ 11 cited

Measurement of polarisation observables in photoproduction off the proton

R. Ewald, A. V. Anisovich, B. Bantes +57

The reaction is studied in the photon energy range from threshold. Linearly polarised photon beams from coherent bremsstrahlung enabled the first mea…

nucl-ex2013★ 54 cited

First measurement of the helicity asymmetry for in the resonance region

M. Gottschall, A. V. Anisovich, B. Bantes +64

The first measurement of the helicity dependence of the photoproduction cross section of single neutral pions off protons is reported for photon energies from 600 to 2300\,MeV, cov…

nucl-ex2013★ 76 cited

Determination of the η'-nucleus optical potential

M. Nanova, V. Metag, E. Ya. Paryev +59

The excitation function and momentum distribution of mesons have been measured in photon induced reactions on C in the energy range of 1250-2600 MeV. The experi…

nucl-ex2012★ 68 cited

Well-established nucleon resonances revisited by double-polarization measurements

A. Thiel, A. V. Anisovich, D. Bayadilov +64

The first measurement is reported of the double-polarization observable G in photoproduction of neutral pions off protons, covering the photon energy range from 620 to 1120 MeV and…

nucl-ex2012★ 80 cited

Transparency ratio in γA -> η' A' and the in-medium η' width

M. Nanova, V. Metag, A. Ramos +58

The photoproduction of η'-mesons off different nuclei has been measured with the CBELSA/TAPS detector system for incident photon energies between 1500 - 2200 MeV. The transparency…

nucl-ex2011★ 74 cited

Anomaly in the K^0_S Sigma^+ photoproduction cross section off the proton at the K* threshold

R. Ewald, A. V. Anisovich, B. Bantes +57

The photoproduction reaction is investigated in the energy region from threshold to \,MeV. The differential cross section exhibits increasin…

nucl-ex2011★ 73 cited

Quasi-free photoproduction of eta-mesons off the deuteron

I. Jaegle, B. Krusche, A. V. Anisovich +69

Precise data for quasi-free photoproduction of mesons off the deuteron have been measured at the Bonn ELSA accelerator with the combined Crystal Barrel/TAPS detector for incide…

nucl-ex2011★ 25 cited

Photoproduction of Neutral Pions off Protons

TAPS Collaboration, V. Crede, N. Sparks +59

Photoproduction of neutral pions has been studied with the CBELSA/TAPS detector in the reaction for photon energies between 0.85 and 2.50 GeV. The mesons are obs…

nucl-ex2010★ 37 cited

Photoproduction of -mesons off the deuteron

I. Jaegle, T. Mertens, A. Fix +62

Quasi-free photoproduction of mesons off nucleons bound in the deuteron has been measured with the combined Crystal Barrel - TAPS detector. The experiment was done at a tagged…

nucl-ex2010★ 19 cited

Photoproduction of mesons on nuclei near the production threshold

M. Nanova, J. Weil, S. Friedrich +67

The photoproduction of mesons on LH_2, C and Nb has been studied for incident photon energies from 900 to 1300 MeV using the CB/TAPS detector at ELSA. The line shape does n…

nucl-ex2010★ 46 cited

In-medium mass from the reaction

TAPS Collaboration, M. Nanova, V. Metag +65

Data on the photoproduction of mesons on nuclei have been re-analyzed in a search for in-medium modifications. The data were taken with the Crystal Barrel(CB)/TAPS detector sys…

nucl-ex2010★ 30 cited

Measurement of the Beam Asymmetry in the Forward Direction for pi0 Photoproduction

N. Sparks, V. Crede, A. V. Anisovich +57

Photoproduction of neutral pions has been studied with the CBELSA/TAPS detector for photon energies between 0.92 and 1.68~GeV at the electron accelerator ELSA. The beam asymmetry~$…

nucl-ex2009★ 40 cited

Photoproduction of meson pairs: First measurement of the polarization observable I^s

E. Gutz, V. Sokhoyan, H. van Pee +64

The polarization observable I^s, a feature exclusive to the acoplanar kinematics of multi-meson final states produced via linearly polarized photons, has been measured for the firs…

nucl-ex2009★ 123 cited

Photoproduction of and Mesons off Protons

The CBELSA, TAPS Collaboration, : +69

Total and differential cross sections for and photoproduction off the proton have been determined with the CBELSA/TAPS detector for photon energies between 0.85 and…

nucl-ex2008★ 64 cited

Study of the reaction

I. Horn

The reaction has been studied with the CBELSA detector at the tagged photon beam of the Bonn electron stretcher facility. The reaction shows contributions from $Δ^+(1…