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18 results on '"Montagnoli G."'

2. Oscillations above the barrier in the fusion of 28Si + 28Si

Author

Montagnoli, G., Stefanini, A.M., Esbensen, H., Corradi, L., Courtin, S., Fioretto, E., Grebosz, J., Haas, F., Jia, H.M., Jiang, C.L., Mazzocco, M., Michelagnoli, C., Mijatović, T., Montanari, D., Parascandolo, C., Scarlassara, F., Strano, E., Szilner, S., and Torresi, D.

Published
2015
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4. Probing the nature of particle–core couplings in 49Ca with γ spectroscopy and heavy-ion transfer reactions

Author

Montanari, D., Leoni, S., Mengoni, D., Benzoni, G., Blasi, N., Bocchi, G., Bortignon, P.F., Bracco, A., Camera, F., Colò, G., Corsi, A., Crespi, F.C.L., Million, B., Nicolini, R., Wieland, O., Valiente-Dobon, J.J., Corradi, L., de Angelis, G., Della Vedova, F., Fioretto, E., Gadea, A., Napoli, D.R., Orlandi, R., Recchia, F., Sahin, E., Silvestri, R., Stefanini, A.M., Singh, R.P., Szilner, S., Bazzacco, D., Farnea, E., Menegazzo, R., Gottardo, A., Lenzi, S.M., Lunardi, S., Montagnoli, G., Scarlassara, F., Ur, C., Lo Bianco, G., Zucchiatti, A., Kmiecik, M., Maj, A., Meczynski, W., Dewald, A., Pissulla, Th., and Pollarolo, G.

Published
2011
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5. Investigation of the reaction 64Ni + 238U being an option of synthesizing element 120

Author

Kozulin, E.M., Knyazheva, G.N., Itkis, I.M., Itkis, M.G., Bogachev, A.A., Krupa, L., Loktev, T.A., Smirnov, S.V., Zagrebaev, V.I., Äystö, J., Trzaska, W.H., Rubchenya, V.A., Vardaci, E., Stefanini, A.M., Cinausero, M., Corradi, L., Fioretto, E., Mason, P., Prete, G.F., Silvestri, R., Beghini, S., Montagnoli, G., Scarlassara, F., Hanappe, F., Khlebnikov, S.V., Kliman, J., Brondi, A., Di Nitto, A., Moro, R., Gelli, N., and Szilner, S.

Published
2010
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7. Investigation of the reaction 64Ni+238U being an option of synthesizing element 120

Author

Kozulin, E.M., primary, Knyazheva, G.N., additional, Itkis, I.M., additional, Itkis, M.G., additional, Bogachev, A.A., additional, Krupa, L., additional, Loktev, T.A., additional, Smirnov, S.V., additional, Zagrebaev, V.I., additional, Äystö, J., additional, Trzaska, W.H., additional, Rubchenya, V.A., additional, Vardaci, E., additional, Stefanini, A.M., additional, Cinausero, M., additional, Corradi, L., additional, Fioretto, E., additional, Mason, P., additional, Prete, G.F., additional, Silvestri, R., additional, Beghini, S., additional, Montagnoli, G., additional, Scarlassara, F., additional, Hanappe, F., additional, Khlebnikov, S.V., additional, Kliman, J., additional, Brondi, A., additional, Di Nitto, A., additional, Moro, R., additional, Gelli, N., additional, and Szilner, S., additional

Published
2010
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8. Shape transitions far from stability: The nucleus 58Cr

Author

Mărginean, N., primary, Lenzi, S.M., additional, Gadea, A., additional, Farnea, E., additional, Freeman, S.J., additional, Napoli, D.R., additional, Bazzacco, D., additional, Beghini, S., additional, Behera, B.R., additional, Bizzeti, P.G., additional, Bizzeti-Sona, A., additional, Bucurescu, D., additional, Chapman, R., additional, Corradi, L., additional, Deacon, A.N., additional, de Angelis, G., additional, Vedova, F. Della, additional, Fioretto, E., additional, Ionescu-Bujor, M., additional, Iordachescu, A., additional, Kröll, Th., additional, Latina, A., additional, Liang, X., additional, Lunardi, S., additional, Montagnoli, G., additional, Mărginean, R., additional, Nespolo, M., additional, Pollarolo, G., additional, Rusu, C., additional, Scarlassara, F., additional, Smith, J.F., additional, Spohr, K., additional, Stefanini, A.M., additional, Szilner, S., additional, Trotta, M., additional, Ur, C.A., additional, Varley, B.J., additional, and Zhimin, W., additional

Published
2006
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9. Fusion of 40Ca + 96Zr revisited: Transfer couplings and hindrance far below the barrier.

Author

Stefanini, A.M., Montagnoli, G., Esbensen, H., Corradi, L., Courtin, S., Fioretto, E., Goasduff, A., Grebosz, J., Haas, F., Mazzocco, M., Michelagnoli, C., Mijatović, T., Montanari, D., Pasqualato, G., Parascandolo, C., Scarlassara, F., Strano, E., Szilner, S., and Torresi, D.

Subjects
*EXCITATION spectrum, *PARTICLES (Nuclear physics), *LOGARITHMIC functions, *DIFFERENTIAL cross sections, *COUPLING constants
Abstract

Abstract: The sub-barrier fusion excitation function of 40Ca + 96Zr has been measured down to cross sections ≃2.4 μb, i.e. two orders of magnitude smaller than obtained in a previous experiment, where the sub-barrier fusion of this system was found to be greatly enhanced with respect to 40Ca + 90Zr, and the need of coupling to transfer channels was suggested relying on coupled-channels calculations. The purpose of this work has been to investigate the behavior of 40Ca + 96Zr fusion far below the barrier, thereby disentangling the elusive interplay of effects due to inelastic couplings, transfer couplings and, possibly, the appearance of the fusion hindrance. The smooth trend of the excitation function has been found to continue, and the logarithmic slope increases very slowly. No indication of hindrance shows up, and a comparison with 48Ca + 96Zr is illuminating in this respect. A new CC analysis of the complete excitation function has been performed, including explicitly one- and two-nucleon transfer channels. Such transfer couplings bring significant cross section enhancements, even at the level of a few μb. Locating the hindrance threshold, if any, in 40Ca + 96Zr would require challenging measurements of cross sections in the sub-μb range. [Copyright &y& Elsevier]

Published
2014
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11. Parity violation in the γ-decay of polarized 93Tc nuclei in the isomeric state

Author

Hass, M., primary, Broude, C., additional, Weissman, L., additional, Müller, L., additional, Montagnoli, G., additional, Scarlassara, F., additional, Segato, G.F., additional, Signorini, C., additional, Goldring, G., additional, Ackermann, D., additional, Bednarczyk, P., additional, Corradi, L., additional, Spolaore, P., additional, Lindroos, M., additional, Hormann, S., additional, Ninov, V., additional, Hessberger, F.P., additional, Soramel, F., additional, Takahashi, N., additional, and Brown, B.A., additional

Published
1996
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12. How does fusion hindrance show up in medium-light systems? The case of 48Ca+ 48Ca

Author

Stefanini, A.M., Montagnoli, G., Silvestri, R., Corradi, L., Courtin, S., Fioretto, E., Guiot, B., Haas, F., Lebhertz, D., Mason, P., Scarlassara, F., and Szilner, S.

Subjects
*NUCLEAR fusion, *CALCIUM ions, *NUCLEAR excitation, *COULOMB functions, *NUCLEAR cross sections, *POTENTIAL theory (Physics), *NUCLEAR energy
Abstract

Abstract: The fusion excitation function of 48Ca+ 48Ca has been measured above and well below the Coulomb barrier, thereby largely extending the energy range of a previous experiment down to very low cross sections. This system has a negative Q-value for compound nucleus formation. The fusion cross section decreases steadily below the barrier with no conspicuous change of slope below . Coupled-channels calculations using a Woods–Saxon potential indicate that a large diffuseness parameter is needed to reproduce the sub-barrier cross sections. A close analogy with the case of 36S+ 48Ca, with , is pointed out. The sign of the Q-value does not influence fusion cross sections down to the 300–600 nb level. [Copyright &y& Elsevier]

Published
2009
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13. Elastic scattering of 58Ni+64Ni near the Coulomb barrier

Author

Stefanini, A.M., primary, Xu, Jincheng, additional, Corradi, L., additional, Montagnoli, G., additional, Moreno, H., additional, Nagashima, Y., additional, Mueller, L., additional, Narayanasamy, M., additional, Napoli, D.R., additional, Spolaore, P., additional, Beghini, S., additional, Scarlassara, F., additional, Segato, G.F., additional, Soramel, F., additional, Signorini, C., additional, Esbensen, H., additional, Landowne, S., additional, and Pollarolo, G., additional

Published
1990
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