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6 results on '"Eberth, Jürgen"'

1. Search for 22Na in novae supported by a novel method for measuring femtosecond nuclear lifetimes

Author

Fougères, Chloé, de Oliveira Santos, François, José, Jordi, Michelagnoli, Caterina, Clément, Emmanuel, Kim, Yung Hee, Lemasson, Antoine, Guimarães, Valdir, Barrientos, Diego, Bemmerer, Daniel, Benzoni, Giovanna, Boston, Andrew J., Böttger, Roman, Boulay, Florent, Bracco, Angela, Čeliković, Igor, Cederwall, Bo, Ciemala, Michał, Delafosse, Clément, Domingo-Pardo, César, Dudouet, Jérémie, Eberth, Jürgen, Fülöp, Zsolt, González, Vicente, Gottardo, Andrea, Goupil, Johan, Hess, Herbert, Jungclaus, Andrea, Kaşkaş, Ayşe, Korichi, Amel, Lenzi, Silvia M., Leoni, Silvia, Li, Hongjie, Ljungvall, Joa, Lopez-Martens, Araceli, Menegazzo, Roberto, Mengoni, Daniele, Million, Benedicte, Mrázek, Jaromír, Napoli, Daniel R., Navin, Alahari, Nyberg, Johan, Podolyák, Zsolt, Pullia, Alberto, Quintana, Begoña, Ralet, Damien, Redon, Nadine, Reiter, Peter, Rezynkina, Kseniia, Saillant, Frédéric, Salsac, Marie-Delphine, Sánchez-Benítez, Angel M., Sanchis, Enrique, Şenyiğit, Menekşe, Siciliano, Marco, Smirnova, Nadezda A., Sohler, Dorottya, Stanoiu, Mihai, Theisen, Christophe, Valiente-Dobón, Jose J., Ujić, Predrag, and Zielińska, Magdalena

Published
2023
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2. Preliminary results of lifetime measurements in neutron-rich 53Ti

Author

Goldkuhle Alina, Fransen Christoph, Dewald Alfred, Alahari Navin, Beckers Marcel, Birkenbach Benedikt, Blazhev Andrey, Braunroth Thomas, Clément Emmanuel, De France Gilles, Dudouet Jérémie, Eberth Jürgen, Hess Herbert, Jacquot Bertrand, Kim Yung-Hee, Lemasson Antoine, Lenzi Silvia Monica, Li Hongjie, Ljungvall Joa, Litzinger Julia, Michelagnoli Caterine, Müller-Gatermann Claus, Napoli Daniel Ricardo, Nara Singh Bondili Sreenivasa, Perez-Vidal Rosa Maria, Ralet Damian, Reiter Peter, Rejmund Maurycy, Vogt Andreas, Warr Nigel, Zell Karl Oskar, and Zielińska Magda

Subjects
Physics, QC1-999
Abstract

To study the nuclear structure of neutron-rich titanium isotopes, a lifetime measurement was performed at the Grand Accélérateur National d'Ions Lourds (GANIL) facility in Caen, France. The nucleiwere produced in a multinucleon-transfer reaction by using a 6.76 MeV/u 238U beam. The Advanced Gamma Tracking Array (AGATA) was employed for the γ-ray detection and target-like recoils were identified event-by-event by the large-acceptance variable mode spectrometer (VAMOS++). Preliminary level lifetimes of the (5/2−) to 13/2− states of the yrast band in the neutron-rich nucleus 53Ti were measured for the first time employing the recoil distance Doppler-shift (RDDS) method and the compact plunger for deep inelastic reactions. The differential decay curve method (DDCM) was used to obtain the lifetimes from the RDDS data.

Published
2019
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3. Transition probabilities in neutron-rich 80,82Se and the role of the {\nu}g9/2 orbital

Author

Litzinger, J, Blazhev, Andrey, Dewald, Alfred, Didierjean, Francois, Duchene, G, Fransen, C., Lozeva, R, Verney, D, De Angelis, G., Bazzacco, Dino, Birkenbach, B., Bottoni, S., Bracco, Angela, Braunroth, T, Cederwall, B., Corradi, Lorenzo, Crespi, F.C.L., Désesquelles, Pierre, Eberth, Jürgen, Ellinger, E., Farnea, Enrico, Fioretto, E., Gernhauser, Roman, Goasduff, A, Görgen, Andreas, Gottardo, Andrea, Grebosz, J, Hackstein, Matthias, Hess, Herbert, Ibrahim, Fadi, Jolie, J, Jungclaus, Andrea, Kolos, K, Korten, Wolfram, Leoni, Silvia, Lunardi, Santo, Maj, Adam, Menegazzo, R., Mengoni, Daniele, Michelagnoli, Caterina, Mijatovic, T., Million, Bénédicte, Möller, O, Modamio, Victor, Montagnoli, G., Montanari, D., Morales, Ana Isabel, Napoli, D.R., Niikura, Megumi, Pietralla, Norbert A., Pollarolo, G., Pullia, A., Quintana, B., Recchia, Francesco, Reiter, Peter, Rosso, D., Sahin, Eda, Salsac, Marie Delphine, Scarlassara, F., Söderström, Pär Anders, Stefanini, AM, Stezowski, Olivier, Szilner, Suzana, Theisen, Christophe, Valiente-Dobón, Jose Javier, Vandone, V, and Vogt, A.

Abstract

Transition probabilities of intermediate-spin yrast and non-yrast excitations in 80,82Se were investigated in a recoil distance Doppler-shift (RDDS) experiment performed at the Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro. The Cologne Plunger device for deep inelastic scattering was used for the RDDS technique and was combined with the AGATA Demonstrator array for the γ -ray detection and coupled to the PRISMA magnetic spectrometer for an event-by-event particle identification. In 80Se, the level lifetimes of the yrast (6+ 1 ) and (8+ 1 ) states and of a non-yrast band feeding the yrast 4+ 1 state are determined. A spin and parity assignment of the head of this sideband is discussed based on the experimental results and supported by large-scale shell-model calculations. In 82Se, the level lifetimes of the yrast 6+ 1 state and the yrare 4+ 2 state and lifetime limits of the yrast (10+ 1 ) state and of the 5− 1 state are determined. Although the experimental results contain large uncertainties, they are interpreted with care in terms of large-scale shell-model calculations using the effective interactions JUN45 and jj44b. The excited states’ wave functions are investigated and discussed with respect to the role of the neutron g9/2 orbital.

Published
2018

4. Quadrupole collectivity in 42Ca from low-energy Coulomb excitation with AGATA

Author

Hadynska-Klek, Katarzyna, Napiorkowski, Paweł Jan, Zielinska, Magdalena, Srebrny, Julian, Maj, Adam, Azaiez, Faisal, Valiente-Dobón, Jose Javier, Kicinska-Habior, M, Nowacki, Frédéric, Naïdja, Houda, Bounthong, B, Rodriguez, T.R., De Angelis, G., Abraham, T., Anil Kumar, G, Bazzacco, Dino, Bellato, Marco, Bortolato, D., Bednarczyk, P., Benzoni, Giovanna, Berti, L, Birkenbach, Benedikt, Bruyneel, B., Brambilla, S., Camera, Franco, Chavas, J, Cederwall, B., Charles, L., Ciemala, M., Cocconi, P, Coleman-Smith, P, Colombo, A, Corsi, A., Crespi, F.C.L., Cullen, Dave M., Czermak, A, Désesquelles, Pierre, Doherty, Daniel T., Dulny, B, Eberth, Jürgen, Farnea, Enrico, Fornal, B., Franchoo, Serge, Gadea, Andrés, Giaz, Agnese, Gottardo, Andrea, Grave, X, Grebosz, J., Görgen, Andreas, Gulmini, M, Habermann, T, Hess, Herbert, Isocrate, R., Iwanicki, J., Jaworski, G, Judson, DS, Jungclaus, Andrea, Karkour, N., Kmiecik, M., Karpinski, D, Kisielinski, M, Kondratyev, N, Korichi, Amel, Komorowska, M, Kowalczyk, M., Korten, Wolfram, Krzysiek, M, Lehaut, G, Leoni, Silvia, Ljungvall, Joa, Lopez-Martens, Araceli, Lunardi, Santo, Maron, G., Mazurek, K., Menegazzo, Roberto, Mengoni, Daniele, Merchan, E., Meczynski, W., Michelagnoli, Caterina, Milion, B, Myalski, S., Napoli, D.R., Niikura, Megumi, Obertelli, Alexandre, Ozmen, SF, Palacz, M, Prochniak, L., Pullia, A., Quintana, B., Rampazzo, G, Recchia, F., Redon, N, Reiter, Peter, Rosso, D., Rusek, K, Sahin, Eda, Salsac, Marie Delphine, Söderström, Pär Anders, Stefan, I., Stezowski, Olivier, Styczen, J, Theisen, Christophe, Toniolo, N, Ur, Cǎlin A., Wadsworth, R, Wasilewska, B., Wiens, Andreas, Wood, J.L., Wrzosek-Lipska, Katarzyna, and Ziblinski, M.

Abstract

A Coulomb-excitation experiment to study electromagnetic properties of 42Ca was performed using a 170-MeV calcium beam from the TANDEM XPU facility at INFN Laboratori Nazionali di Legnaro. γ rays from excited states in 42Ca were measured with the AGATA spectrometer. The magnitudes and relative signs of ten E2 matrix elements coupling six low-lying states in 42Ca, including the diagonal E2 matrix elements of 2+ 1 and 2+ 2 states, were determined using the least-squares code GOSIA. The obtained set of reduced E2 matrix elements was analyzed using the quadrupole sum rule method and yielded overall quadrupole deformation for 0+ 1,2 and 2+ 1,2 states, as well as triaxiality for 0+ 1,2 states, establishing the coexistence of a weakly deformed ground-state band and highly deformed slightly triaxial sideband in 42Ca. The experimental results were compared with the state-of-the-art large-scale shell-model and beyond-mean-field calculations, which reproduce well the general picture of shape coexistence in 42Ca.

Published
2018

5. Preliminary results of lifetime measurements in neutron-rich 53Ti.

Author

de Angelis, G., Corradi, L., Goldkuhle, Alina, Fransen, Christoph, Dewald, Alfred, Alahari, Navin, Beckers, Marcel, Birkenbach, Benedikt, Blazhev, Andrey, Braunroth, Thomas, Clément, Emmanuel, De France, Gilles, Dudouet, Jérémie, Eberth, Jürgen, Hess, Herbert, Jacquot, Bertrand, Kim, Yung-Hee, Lemasson, Antoine, Lenzi, Silvia Monica, and Li, Hongjie

Subjects
NEUTRONS, TITANIUM isotopes, NUCLEAR structure, INELASTIC scattering, SPECTROMETERS
Abstract

To study the nuclear structure of neutron-rich titanium isotopes, a lifetime measurement was performed at the Grand Accélérateur National d'Ions Lourds (GANIL) facility in Caen, France. The nucleiwere produced in a multinucleon-transfer reaction by using a 6.76 MeV/u 238U beam. The Advanced Gamma Tracking Array (AGATA) was employed for the γ-ray detection and target-like recoils were identified event-by-event by the large-acceptance variable mode spectrometer (VAMOS++). Preliminary level lifetimes of the (5/2−) to 13/2− states of the yrast band in the neutron-rich nucleus 53Ti were measured for the first time employing the recoil distance Doppler-shift (RDDS) method and the compact plunger for deep inelastic reactions. The differential decay curve method (DDCM) was used to obtain the lifetimes from the RDDS data. [ABSTRACT FROM AUTHOR]

Published
2019
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6. Nuclear spectroscopy with copper isotopes of extremes N/Z ratios

Author

Köster, Ulli, Eberth, Jürgen, Habs, Dieter, Von Egidy, Till, Faust, Herbert, Fedoseyev, Valentin, Franchoo, Serge, Friedrichs, Thomas, Gross, Martin, Huyse, Marc, Lettry, Jacques, Mishin, Viatcheslav, Mueller, Wilhelm, Ott, Jürgen, Ravn, Helge, Roeckl, Ernst, Rudolph, Dirk, Schwalm, Dirk, Thirolf, Peter, and Van Duppen, Piet

Subjects
Detectors and Experimental Techniques
Published
1997

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