Shape evolution in even-mass $^{98-104}$Zr isotopes via lifetime measurements using the $\gamma\gamma$-coincidence technique

Autor: Pasqualato, G., Ansari, S., Heines, J. S., Modamio, V., Görgen, A., Korten, W., Ljungvall, J., Clément, E., Dudouet, J., Lemasson, A., Rodríguez, T. R., Allmond, J. M., Arici, T., Beckmann, K. S., Bruce, A. M., Doherty, D., Esmaylzadeh, A., Gamba, E. R., Gerhard, L., Gerl, J., Georgiev, G., Ivanova, D. P., Jolie, J., Kim, Y. -H., Knafla, L., Korichi, A., Koseoglou, P., Labiche, M., Lalkovski, S., Lauritsen, T., Li, H. -J., Pedersen, L. G., Pietri, S., Ralet, D., Regis, J. M., Rudigier, M., Saha, S., Sahin, E., Siem, S., Singh, P., öderström, P. -A., Theisen, C., Tornyi, T., Vandebrouck, M., Witt, W., Zielińska, M., Barrientos, D., Bednarczyk, P., Benzoni, G., Boston, A. J., Boston, H. C., Bracco, A., Cederwall, B, Ciemala, M., de France, G., Domingo-Pardo, C., Eberth, J., Gadea, A., González, V., Gottardo, A., Harkness-Brennan, L. J., Hess, H., Judson, D. S., Jungclaus, A., Lenzi, S. M., Leoni, S., Menegazzo, R., Mengoni, D., Michelagnoli, C., Napoli, D. R., Nyberg, J., Podolyak, Zs., Pullia, A., Recchia, F., Reiter, P., Rezynkina, K., Salsac, M. D., Sanchis, E., Şenyiğit, M., Siciliano, M., Simpson, J., Sohler, D., Stezowski, O., Valiente-Dobón, J. J., Verney, D.

Publikováno v: Eur. Phys. J. A (2023) 59:276

The Zirconium (Z = 40) isotopic chain has attracted interest for more than four decades. The abrupt lowering of the energy of the first $2^+$ state and the increase in the transition strength B(E2; $2_1^\rightarrow 0_1^+$ going from $^{98}$Zr to $^{1

Externí odkaz: http://arxiv.org/abs/2410.17004

High-precision spectroscopy of $^{20}$O benchmarking ab-initio calculations in light nuclei

Autor: Zanon, I., Clément, E., Goasduff, A., Menéndez, J., Miyagi, T., Assié, M., Ciemała, M., Flavigny, F., Lemasson, A., Matta, A., Ramos, D., Rejmund, M., Achouri, L., Ackermann, D., Barrientos, D., Beaumel, D., Benzoni, G., Boston, A. J., Boston, H. C., Bottoni, S., Bracco, A., Brugnara, D., de France, G., de Sereville, N., Delaunay, F., Desesquelles, P., Didierjean, F., Domingo-Prato, C., Dudouet, J., Eberth, J., Fernández, D., Fougères, C., Gadea, A., Galtarossa, F., Girard-Alcindor, V., Gonzales, V., Gottardo, A., Hammache, F., Harkness-Brennan, L. J., Hess, H., Judson, D. S, Jungclaus, A., Kaşkaş, A., Kim, Y. H., Kuşoğlu, A., Labiche, M., Leblond, S., Lenain, C., Lenzi, S. M., Leoni, S., Li, H., Ljungvall, J., Lois-Fuentes, J., Lopez-Martens, A., Maj, A., Menegazzo, R., Mengoni, D., Michelagnoli, C., Million, B., Napoli, D. R., Nyberg, J., Pasqualato, G., Podolyak, Zs., Pullia, A., Quintana, B., Recchia, F., Regueira-Castro, D., Reiter, P., Rezynkina, K., Rojo, J. S., Salsac, M. D., Sanchis, E., Şenyiğit, M., Siciliano, M., Sohler, D., Stezowski, O., Theisen, Ch., Utepov, A., Valiente-Dobón, J. J., Verney, D., Zielinska, M.

Publikováno v: Physical Review Letter 131, 262501 (2023)

The excited states of unstable $^{20}$O were investigated via $\gamma$-ray spectroscopy following the $^{19}$O$(d,p)^{20}$O reaction at 8 $A$MeV. By exploiting the Doppler Shift Attenuation Method, the lifetime of the 2$^+_2$ and 3$^+_1$ states were

Externí odkaz: http://arxiv.org/abs/2405.14305

Search for $^{22}$Na in novae supported by a novel method for measuring femtosecond nuclear lifetimes

Autor: Fougères, C., Santos, F. de Oliveira, José, J., Michelagnoli, C., Clément, E., Kim, Y. H., Lemasson, A., Guimaraes, V., Barrientos, D., Bemmerer, D., Benzoni, G., Boston, A. J., Bottger, R., Boulay, F., Bracco, A., Celikovic, I., Cederwall, B., Ciemala, M., Delafosse, C., Domingo-Pardo, C., Dudouet, J., Eberth, J., Fulop, Z., Gonzalez, V., Goupil, J., Hess, H., Jungclaus, A., Kaskas, A., Korichi, A., Lenzi, S. M., Leoni, S., Li, H., Ljungvall, J., Lopez-Martens, A., Menegazzo, R., Mengoni, D., Million, B., Mrazek, J., Napoli, D. R., Navin, A., Nyberg, J., Podolyak, Zs., Pullia, A., Quintana, B., Ralet, D., Redon, N., Reiter, P., Rezynkina, K., Saillant, F., Salsac, M. D., Sanchez-Benitez, A. M., Sanchis, E., Senyigit, M., Siciliano, M., Smirnova, N. A., Sohler, D., Stanoiu, M., Theisen, Ch., Valiente-Dobon, J. J., Ujic, P., Zielinska, M.

Publikováno v: Nature Communications 14, 2023

Classical novae are thermonuclear explosions in stellar binary systems, and important sources of $^{26}$Al and $^{22}$Na. While gamma rays from the decay of the former radioisotope have been observed throughout the Galaxy, $^{22}$Na remains untraceab

Externí odkaz: http://arxiv.org/abs/2212.06302

Narrow resonances in the continuum of the unbound nucleus $^{15}$F

Autor: Girard-Alcindor, V., Mercenne, A., Stefan, I., Santos, F. de Oliveira, Michel, N., Płoszajczak, M., Assié, M., Lemasson, A., Clément, E., Flavigny, F., Matta, A., Ramos, D., Rejmund, M., Dudouet, J., Ackermann, D., Adsley, P., Assunção, M., Bastin, B., Beaumel, D., Benzoni, G., Borcea, R., Boston, A. J., Cáceres, L., Cederwall, B., Celikovic, I., Chudoba, V., Ciemala, M., Collado, J., Crespi, F. C. L., D'Agata, G., De France, G., Delaunay, F., Diget, C., Domingo-Pardo, C., Eberth, J., Fougères, C., Franchoo, S., Galtarossa, F., Georgiadou, A., Gibelin, J., Giraud, S., González, V., Goyal, N., Gottardo, A., Goupil, J., Grévy, S., Guimaraes, V., Hammache, F., Harkness-Brennan, L. J., Hess, H., Oliver, D. S. Judson, Kamalou, O., Kameneyero, A., Kiener, J., Korten, W., Koyama, S., Labiche, M., Lalanne, L., Lapoux, V., Leblond, S., Lefevre, A., Lenain, C., Leoni, S., Li, H., Lopez-Martens, A., Maj, A., Matea, I., Menegazzo, R., Mengoni, D., Meyer, A., Million, B., Monteagudo, B., Morfouace, P., Mrazek, J., Niikura, M., Piot, J., Podolyak, Zs., Portail, C., Pullia, A., Quintana, B., Recchia, F., Reiter, P., Rezynkina, K., Roger, T., Rojo, J. S., Rotaru, F., Salsac, M. D., Benítez, A. M. Sánchez, Sanchis, E., Şenyigit, M., de Séréville, N., Siciliano, M., Simpson, J., Sohler, D., Sorlin, O., Stanoiu, M., Stodel, C., Suzuki, D., Theisen, C., Thomas, J. C., Ujic, P., Valiente-Dobón, J. J., Zielińska, M.

The structure of the unbound $^{15}$F nucleus is investigated using the inverse kinematics resonant scattering of a radioactive $^{14}$O beam impinging on a CH$_2$ target. The analysis of $^{1}$H($^{14}$O,p)$^{14}$O and $^{1}$H($^{14}$O,2p)$^{13}$N r

Externí odkaz: http://arxiv.org/abs/2111.14412

Measurement of relative isotopic yield distribution of even-even fission fragments from $^{235}$U($n_{th}$,$f$) following $\gamma$ ray spectroscopy

Autor: Dey, Aniruddha, Biswas, D. C., Chakraborty, A., Mukhopadhyay, S., Mondal, A. K., Danu, L. S., Mukherjee, B., Garg, S., Maheshwari, B., Jain, A. K., Blanc, A., de France, G., Jentschel, M., Köster, U., Leoni, S., Mutti, P., Simpson, G., Soldner, T., Ur, C. A., Urban, W.

A detailed investigation on the relative isotopic distributions has been carried out for the first time in case of even-even correlated fission fragments for the $^{235}$U($n_{th}$,$f$) fission reaction. High-statistics data were obtained in a prompt

Externí odkaz: http://arxiv.org/abs/2104.02282