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12 Result(s)

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  1. No Access

    Article

    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

    The reaction \(\gamma p \rightarrow p \pi ^0 \eta \) γ p ...

    V. Metag, M. Nanova, J. Hartmann, P. Mahlberg, F. Afzal… in The European Physical Journal A (2021)

  2. Article

    Open Access

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

    A measurement of the double-polarization observable E for the reaction \(\gamma p\rightarrow \pi ^0 p\) ...

    M. Gottschall, F. Afzal, A. V. Anisovich, D. Bayadilov… in The European Physical Journal A (2021)

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  3. No Access

    Article

    The \(\eta^{\prime}\) -carbon potential at low meson momenta

    The production of \(\eta^{\prime}\) η ...

    M. Nanova, S. Friedrich, V. Metag, E. Ya. Paryev… in The European Physical Journal A (2018)

  4. No Access

    Article

    Photoproduction of \(\eta\) mesons from the neutron: Cross sections and double polarization observable E

    Results from measurements of the photoproduction of \(\eta\) η ...

    L. Witthauer, M. Dieterle, F. Afzal, A. V. Anisovich… in The European Physical Journal A (2017)

  5. No Access

    Article

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

    This paper reports on a measurement of the double-polarization observable G in \( \pi^0\) ...

    A. Thiel, H. Eberhardt, M. Lang, F. Afzal… in The European Physical Journal A (2017)

  6. No Access

    Article

    Momentum dependence of the imaginary part of the \( \omega\) - and \( \eta^{\prime}\) -nucleus optical potential

    The photoproduction of \( \omega\) and $ ...

    S. Friedrich, M. Nanova, V. Metag, F. N. Afzal… in The European Physical Journal A (2016)

  7. Article

    Erratum to: High-statistics study of the reaction \(\gamma p\rightarrow p2\pi^{0}\)

    V. Sokhoyan, E. Gutz, V. Crede, H. van Pee… in The European Physical Journal A (2015)

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  8. No Access

    Article

    High-statistics study of the reaction γp → p2π0

    The photoproduction of 2π 0 mesons off protons was studied with the Crystal Barrel/TAPS experiment at the electron accelerator ELSA in Bonn. The energy of photons produced in a rad...

    V. Sokhoyan, E. Gutz, V. Crede, H. van Pee… in The European Physical Journal A (2015)

  9. No Access

    Article

    High statistics study of the reaction γp → pπ0 η

    Photoproduction off protons of the pπ 0 η three-body final state was studied with the Crystal Barrel/TAPS detector, at the electron stretcher accelerator ELSA in Bonn, for incident...

    E. Gutz, V. Crede, V. Sokhoyan, H. van Pee… in The European Physical Journal A (2014)

  10. Article

    Open Access

    Photoproduction of \( \omega\) mesons on nuclei near the production threshold

    The photoproduction of \( \omega\) mesons on LH2 , C and Nb has been measured for incident photon energies from 900 to ...

    M. Nanova, J. Weil, S. Friedrich, V. Metag, U. Mosel… in The European Physical Journal A (2011)

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  11. No Access

    Article

    Measurement of the beam asymmetry Σ in πeta; production off the proton with the CBELSA/TAPS experiment⋆

    In photoproduction experiments, a large number of final states yielding various resonance contributions are accessible. To extract resonance parameters via partial-wave analysis not only the measurement of dif...

    E. Gutz, V. Sokhoyan, H. van Pee, A. V. Anisovich… in The European Physical Journal A (2008)

  12. No Access

    Article

    K0πand K*0Σ+ photoproduction off the proton

    The exclusive reactions γp → K *0Σ+(1189) and γp → K 0π0Σ+(1189) , leading to the p 4π0 final state, have been measured with a tagged photon beam for incident energ...

    M. Nanova, J. C. S. Bacelar, B. Bantes, O. Bartholomy… in The European Physical Journal A (2008)