High-resolution spectroscopy of neutron-rich Br isotopes and signatures for a prolate-to-oblate shape transition at N=56

Autor: Dudouet, J., Colombi, G., Tello, D. Reygadas, Michelagnoli, C., Dao, D. D., Nowacki, F., Abushawish, M., Clément, E., Costache, C., Duchêne, G., Kandzia, F., Lemasson, A., Marginean, N., Marginean, R., Mihai, C., Pascu, S., Rejmund, M., Rezynkina, K., Stezowski, O., Turturica, A., Ujeniuc, S., Astier, A., de Angelis, G., de France, G., Delafosse, C., Deloncle, I., Gadea, A., Gottardo, A., Jones, P., Konstantinopoulos, T., Kuti, I., Blanc, F. Le, Lenzi, S. M., Lozeva, R., Million, B., Pérez-Vidal, R. M., Petrache, C. M., Ralet, D., Redon, N., Schmitt, C., Sohler, D., Verney, D.

The first systematic experimental study of the neutron-rich Br isotopes with two complementary state-of-the-art techniques is presented. These isotopes have been populated in the fission process at two different facilities, GANIL and ILL. New spectro

Externí odkaz: http://arxiv.org/abs/2405.15601

Shape Coexistence at Zero Spin in 64Ni Driven by the Monopole Tensor Interaction

Autor: Mărginean, N., Little, D., Tsunoda, Y., Leoni, S., Janssens, R. V. F., Fornal, B., Otsuka, T., Michelagnoli, C., Stan, L., Crespi, F. C. L., Costache, C., Lica, R., Sferrazza, M., Turturica, A., Ayangeakaa, A. D., Auranen, K., Barani, M., Bender, P. C., Bottoni, S., Boromiza, M., Bracco, A., Călinescu, S., Campbell, C. M., Carpenter, M. P., Chowdhury, P., Ciemała, M., Cieplicka-Orynczak, N., Cline, D., Clisu, C., Crawford, H. L., Dinescu, I. E., Filipescu, D., Florea, N., Forney, A. M., Fracassetti, S., Gade, A., Gheorghe, I., Hayes, A. B., Harca, I., Henderson, J., Ionescu, A., Iskra, Ł. W., Jentschel, M., Kandzia, F., Kim, Y. H., Kondev, F. G., Korschinek, G., Köster, U., Krishichayan, Krzysiek, M., Lauritsen, T., Li, J., Mărginean, R., Maugeri, E. A., Mihai, C., Mihai, R. E., Mitu, A., Mutti, P., Negret, A., Niţă, C. R., Olăcel, A., Oprea, A., Pascu, S., Petrone, C., Porzio, C., Rhodes, D., Seweryniak, D., Schumann, D., Sotty, C., Stolze, S. M., Şuvăilă, R., Toma, S., Ujeniuc, S., Walters, W. B., Wu, C. Y., Wu, J., Zhu, S., Ziliani, S.

Publikováno v: Physical Review Letters 125, 102502 (2020)

The low-spin structure of the semimagic 64Ni nucleus has been considerably expanded: combining four experiments, several 0+ and 2+ excited states were identified below 4.5 MeV, and their properties established. The Monte Carlo shell model accounts fo

Externí odkaz: http://arxiv.org/abs/2008.04857

Improved STEREO simulation with a new gamma ray spectrum of excited gadolinium isotopes using FIFRELIN

Autor: Almazán, H., Bernard, L., Blanchet, A., Bonhomme, A., Buck, C., Chebboubi, A., Sanchez, P. del Amo, Atmani, I. El, Haser, J., Kandzia, F., Kox, S., Labit, L., Lamblin, J., Letourneau, A., Lhuillier, D., Lindner, M., Litaize, O., Materna, T., Minotti, A., Pessard, H., Réal, J. -S., Roca, C., Salagnac, T., Savu, V., Schoppmann, S., Sergeyeva, V., Soldner, T., Stutz, A., Thulliez, L., Vialat, M.

Publikováno v: Eur. Phys. J. A (2019) 55: 183

The STEREO experiment measures the electron antineutrino spectrum emitted in a research reactor using the inverse beta decay reaction on H nuclei in a gadolinium loaded liquid scintillator. The detection is based on a signal coincidence of a prompt p

Externí odkaz: http://arxiv.org/abs/1905.11967

Sterile Neutrino Constraints from the STEREO Experiment with 66 days of Reactor-on Data

Autor: Almazán, H., Sanchez, P. del Amo, Bernard, L., Blanchet, A., Bonhomme, A., Buck, C., Favier, J., Haser, J., Hélaine, V., Kandzia, F., Kox, S., Lamblin, J., Letourneau, A., Lhuillier, D., Lindner, M., Manzanillas, L., Materna, T., Minotti, A., Montanet, F., Pessard, H., Real, J. -S., Roca, C., Salagnac, T., Schoppmann, S., Sergeyeva, V., Soldner, T., Stutz, A., Zsoldos, S.

Publikováno v: Phys. Rev. Lett. 121, 161801 (2018)

The reactor antineutrino anomaly might be explained by the oscillation of reactor antineutrinos toward a sterile neutrino of eV mass. In order to explore this hypothesis, the STEREO experiment measures the antineutrino energy spectrum in six differen

Externí odkaz: http://arxiv.org/abs/1806.02096

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