Role Of The Delta Resonance In The Population Of Excited States In High-Energy Reactions

Zs. Podolyák, C. M. Shand, Natasa Lalovic, J Gerl, Dirk Rudolph

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    The 54Fe nucleus was populated from a 56Fe beam with an energy of E=A=500 MeV. The internal decay of the 10+ metastable state via g-ray emission was observed. The structure of this isomeric state has to involve at least four unpaired nucleons, therefore it cannot be populated in a simple two-neutron removal reaction from the ground state of 56Fe, and we suggest that it was populated via the decay of the D0 resonance into a proton. This process allows the population of four-nucleon states, such as the observed isomer. Therefore, the population of the four-particle 10+ isomer in 54Fe is a consequence of the quark structure of the nucleons. The possible use of this reaction mechanism for producing exotic nuclei is discussed.
    Titel på värdpublikationThe 26th International Nuclear Physics Conference
    FörlagProceedings of Science
    Antal sidor8
    StatusPublished - 2017
    EvenemangInternational Nuclear Physics Conference 2016 - Adelaide, Australien
    Varaktighet: 2016 sep. 112016 sep. 16
    Konferensnummer: 26


    NamnProceedings of Science
    ISSN (tryckt)1824-8039


    KonferensInternational Nuclear Physics Conference 2016
    Förkortad titelINPC 2016

    Ämnesklassifikation (UKÄ)

    • Subatomär fysik


    Utforska forskningsämnen för ”Role Of The Delta Resonance In The Population Of Excited States In High-Energy Reactions”. Tillsammans bildar de ett unikt fingeravtryck.
    • Role of the Δ Resonance in the Population of a Four-Nucleon State in the 56Fe → 54Fe Reaction at Relativistic Energies

      Podolyák, Z., Shand, C. M., Lalovic, N., Gerl, J., Rudolph, D., Alexander, T., Boutachkov, P., Cortés, M. L., Górska, M., Kojouharov, I., Kurz, N., Louchart, C., Merchán, E., Michelagnoli, C., Pérez-Vidal, R. M., Pietri, S., Ralet, D., Reese, M., Schaffner, H., Stahl, C., & 45 andraWeick, H., Ameil, F., De Angelis, G., Arici, T., Carroll, R., Dombrádi, Z., Gadea, A., Golubev, P., Lettmann, M., Lizarazo, C., Mahboub, D., Pai, H., Patel, Z., Pietralla, N., Regan, P. H., Sarmiento, L. G., Wieland, O., Wilson, E., Birkenbach, B., Bruyneel, B., Burrows, I., Charles, L., Clément, E., Crespi, F. C. L., Cullen, D. M., Désesquelles, P., Eberth, J., González, V., Habermann, T., Harkness-Brennan, L., Hess, H., Judson, D. S., Jungclaus, A., Korten, W., Labiche, M., Maj, A., Mengoni, D., Napoli, D. R., Pullia, A., Quintana, B., Rainovski, G., Reiter, P., Salsac, M. D., Sanchis, E. & Valiente Dóbon, J. J., 2016 nov. 23, I: Physical Review Letters. 117, 22, 5 s., 222302.

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    • Performance of the AGATA Gamma-ray Spectrometer in the PreSPEC Set-up at GSI

      Lalovic, N., Louchart, C., Michelagnoli, C., Perez-Vidal, R. M., Ralet, D., Gerl, J., Rudolph, D., Arici, T., Bazzacco, D., Clement, E., Gadea, A., Kojouharov, I., Korichi, A., Labiche, M., Ljungvall, J., Lopez-Martens, A., Nyberg, J., Pietralla, N., Pietri, S., Stezowski, O., & 2 andraCollaboration, T. AGATA. & Collaboration, T. PPEC., 2016, I: Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment. 806, s. 258-266 9 s.

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