D. Bayadilov

Photoproduction of K+Λ(1405)→K+π0Σ0 extending to forward angles and low momentum transfer

G. Scheluchin, T. C. Jude, S. Alef, P. Bauer et autres

K+Λ(1405) photoproduction has been studied at the BGOOD experiment via the all neutral decay, Λ(1405)→Σ0π0. The unique BGOOD experimental setup allows both the cross section and Λ(1405) invariant mass distribution (line shape) to be measured over a broad K+ polar angle range, …

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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

V. Metag, M. Nanova, J. Hartmann, P. Mahlberg et autres

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Observation of a structure in the M$_{p\eta}$ invariant mass distribution near 1700 MeV in the $\mathbf{\gamma p \rightarrow p \pi^0 \eta} $ reaction

V. Metag, M. Nanova, J. Hartmann, P. Mahlberg et autres

The reaction $\gamma p \rightarrow p \pi^0 \eta$ has been studied with the CBELSA/TAPS detector at the electron stretcher accelerator ELSA in Bonn for incident photon energies from threshold up to 3.1 GeV. This paper has been motivated by the recently claimed …

Observation of a cusp-like structure in the γp → K+Σ0 cross section at forward angles and low momentum transfer

T. C. Jude, S. Alef, P. Bauer, D. Bayadilov et autres

The γp→K+Σ0 differential cross section at extremely forward angles was measured at the BGOOD experiment. A three-quarter drop in strength over a narrow range in energy and a strong dependence on the polar angle of the K+ in the centre-of-mass of the …

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Measurement of the helicity asymmetry E for the reaction $$ \gamma p\rightarrow \pi ^0 p$$

M. Gottschall, F. Afzal, A. V. Anisovich, D. Bayadilov et autres

Abstract A measurement of the double-polarization observable E for the reaction $$\gamma p\rightarrow \pi ^0 p$$ γ p → π 0 p is reported. The data were taken with the CBELSA/TAPS experiment at the ELSA facility in Bonn using the Bonn frozen-spin …

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Observation of the pη′ Cusp in the New Precise Beam Asymmetry Σ Data for γp→pη

F. Afzal, Y. Wunderlich, A. V. Anisovich, D. Bayadilov et autres

Data on the beam asymmetry $\mathrm{\ensuremath{\Sigma}}$ in the photoproduction of $\ensuremath{\eta}$ mesons off protons are reported for tagged photon energies from 1130 to 1790 MeV (mass range from $W=1748\text{ }\text{ }\mathrm{MeV}$ to $W=2045\text{ }\text{ }\mathrm{MeV}$). The data cover the full solid angle …

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Cusp-like structure in the $\gamma p \rightarrow K^+\Sigma^0$ cross section at low momentum transfer

T. C. Jude, S. Alef, D. Bayadilov, R. Beck et autres

Differential cross section data for $\gamma p \rightarrow K^+\Sigma^0$ has been measured at the BGOOD experiment for extremely forward angles. A three quarter drop in strength over a narrow range in energy and strong dependence on polar angle is observed at a …

The BGOOD experimental setup at ELSA

S. Alef, Michael Bauer, D. Bayadilov, R. Beck et autres

Abstract 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 non-strange and strange meson photoproduction, in particular t-channel processes at low momentum transfer. The setup …

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New data on γ→p→→ηp with polarized photons and protons and their implications for N⁎ → Nη decays

J. Müller, J. Hartmann, M. Grüner, F. Afzal et autres

The polarization observables T , E , P , H , and G in photoproduction of η mesons off protons are measured for photon energies from threshold to W = 2400 MeV ( T ), 2280 MeV ( E ), 1620 MeV …

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Measurement of the Helicity Asymmetry $E$ for the reaction $ \gamma p\to \pi^0 p$

Cbelsa, M. Gottschall, F. Afzal, A. V. Anisovich et autres

A measurement of the double-polarization observable $E$ for the reaction $\gamma p\to \pi^0 p$ is reported. The data were taken with the CBELSA/TAPS experiment at the ELSA facility in Bonn using the Bonn frozen-spin butanol (C$_4$H$_9$OH) target, which provided longitudinally-polarized protons. Circularly-polarized …

Measurement of the Helicity Asymmetry $E$ for the reaction $ γp\to π^0 p$

TAPS Collaboration, M. Gottschall, F. Afzal, A. V. Anisovich et autres

A measurement of the double-polarization observable $E$ for the reaction $γp\to π^0 p$ is reported. The data were taken with the CBELSA/TAPS experiment at the ELSA facility in Bonn using the Bonn frozen-spin butanol (C$_4$H$_9$OH) target, which provided longitudinally-polarized protons. Circularly-polarized photons …

Strangeness photoproduction at the BGO-OD experiment

Thomas Jude, S. Alef, P. Bauer, D. Bayadilov et autres

The BGO-OD experiment at the ELSA accelerator facility uses an energy tagged bremstrahlung photon beam to investigate the excitation spectrum of the nucleon. The setup consists of a highly segmented BGO calorimeter surrounding the target, with a particle tracking magnetic spectrometer at …

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