Publications (15)
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. () w…
Observation of a cusp-like structure in the cross section at forward angles and low momentum transfer
T. C. Jude, S. Alef, P. Bauer +39
The differential cross section at extremely forward angles was measured at the BGOOD experiment. A three-quarter drop in strength over a narrow range in e…
Photoproduction of extending to forward angles and low momentum transfer
G. Scheluchin, T. C. Jude, S. Alef +32
photoproduction has been studied at the BGOOD experiment via the all neutral decay, . The unique BGOOD experimental setup allows both the…
Observation of Narrow and Resonances in Reactions
V. Kuznetsov, F. Mammoliti, F. Tortorici +9
Observation of a narrow structure at GeV in the excitation functions of some photon- and pion-induced reactions may signal a new narrow isospin-1/2 resonance…
New Narrow and ? Remarks on the Interpretation of the Neutron Anomaly as an Interference Phenomenon
V. Kuznetsov, V. Bellini, V. Brio +9
Different interpretations of narrow structures at and GeV observed in several reactions are discussed. It is questionable whether interference phenomena c…
Measurement of the differential cross section over the threshold
K. Kohl, T. C. Jude, S. Alef +30
The differential cross section for the quasi-free photoproduction reaction was measured at BGOOD at ELSA from threshold to a centre-of-mass energy of 2400…
The BGOOD experimental setup at ELSA
S. Alef, P. Bauer, D. Bayadilov +58
The BGOOD experiment at the ELSA facility in Bonn has been commissioned within the framework of an international collaboration. The experiment pursues a systematic investigation of…
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…
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…
Evidence of a dibaryon spectrum in coherent photoproduction at forward deuteron angles
T. C. Jude, S. Alef, R. Beck +27
The coherent reaction, was studied with the BGOOD experiment at ELSA from threshold to a centre-of-mass energy of 2850\,MeV. A full kinematic reconstru…
N* and Delta* decays into N pi0 pi0
U. Thoma, M. Fuchs, A. V. Anisovich +45
Decays of baryon resonances in the second and the third resonance region into N pi0 pi0 are studied by photoproduction of two neutral pions off protons. Partial decay widths of N*…
Strangeness Photoproduction at the BGO-OD Experiment
T. C. Jude, S. Alef, D. Bayadilov +61
BGO-OD is a newly commissioned experiment to investigate the internal structure of the nucleon, using an energy tagged bremsstrahlung photon beam at the ELSA electron facility. The…
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 an…
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…
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…