Benchmarking the PreSPEC@GSI experiment for Coulex-multipolarimetry on the $\pi (p_{3/2})\rightarrow \pi (p_{1/2})$ spin-flip transition in $^{85}$Br

Benchmarking the PreSPEC@GSI experiment for Coulex-multipolarimetry on the $\pi (p_{3/2})\rightarrow \pi (p_{1/2})$ spin-flip transition in $^{85}$Br

A first performance test of the Coulomb excitation multipolarimetry (Coulex-multipolarimetry) method is presented. It is based on a $^{85}\hbox {Br}\,\pi p_{3/2}\rightarrow \pi p_{1/2}$ spin-flip experiment performed as part of the PreSPEC-AGATA campaign at the GSI Helmholtzzentrum für Schwerionenfo...

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Veröffentlicht in:The European physical journal. A, Hadrons and nuclei Hadrons and nuclei, 2020, Vol.56 (5)
Hauptverfasser: Napiralla, P., Lettmann, M., Stahl, Clement, Rainovski, G., Pietralla, N., Afara, S., Ameil, F., Arici, T., Aydin, S., Barrientos, D., Bednarczyk, P., Bentley, M.A., Benzoni, G., Birkenbach, B., Blazhev, A., Boston, A.J., Boutachkov, P., Bracco, A., Bruyneel, B., Clément, E., Cortés, M.L., Crespi, F.C.L., Cullen, D.M., Curien, D., Désesquelles, P., Didierjean, F., Domingo-Pardo, C., Duchêne, G., Eberth, J., Egger, H., Fahlander, C., Gerl, J., Gladnishki, K.A., Golubev, P., González, V., Górska, M., Gottardo, A., Grassi, L., Habermann, T., Harkness-Brennan, L.J., Hess, H., Jenkins, D.G., John, P.R., Jolie, J., Judson, D.S., Kojouharov, I., Korten, W., Labiche, M., Lalović, N., Lizarazo, C., Louchart-Henning, C., Maj, A., Menegazzo, R., Mengoni, D., Merchan, E., Million, B., Möller, O., Möller, T., Moschner, K., Modamio, V., Napoli, D., Nara Singh, B.S., Podolyák, Zs, Pietri, S., Ralet, D., Reese, M., Reiter, P., Rudolph, D., Sanchis, E., Sarmiento, L.G., Schaffner, H., Simpson, J., Singh, P.P., Valiente-Dobón, J.J., Werner, V., Wieland, O.
Format: Artikel
Sprache:eng
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Nuclear Experiment
Physics
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Zusammenfassung:A first performance test of the Coulomb excitation multipolarimetry (Coulex-multipolarimetry) method is presented. It is based on a $^{85}\hbox {Br}\,\pi p_{3/2}\rightarrow \pi p_{1/2}$ spin-flip experiment performed as part of the PreSPEC-AGATA campaign at the GSI Helmholtzzentrum für Schwerionenforschung (GSI). Via determination of background levels around the expected $^{85}\hbox {Br}$ excitations as well as measured $^{197}\hbox {Au}$ excitations, an upper limit for the M1 transition strength of the $1/2_1^-\rightarrow 3/2_\text {g.s.}^-$ transition in $^{85}\hbox {Br}$ and a lower beam time limit for upcoming experimental campaigns utilizing Coulex-multipolarimetry have been inferred. The impact of the use of AGATA in its anticipated $1\pi $ configuration on these estimates is deduced via Geant4 simulations.
ISSN:1434-6001
1434-601X
DOI:10.1140/epja/s10050-020-00148-2