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1. Elastic scattering and transfer reactions for the system7Be +58Ni at Coulomb barrier energies

Author

Mazzocco, M, primary, Torresi, D, additional, Acosta, L, additional, Boiano, A, additional, Boiano, C, additional, Glodariu, T, additional, Guglielmetti, A, additional, Keeley, N, additional, La Commara, M, additional, Lay, J A, additional, Martel, I, additional, Mazzocchi, C, additional, Molini, P, additional, Parascandolo, C, additional, Parkar, V V, additional, Pierroutsakou, D, additional, Romoli, M, additional, Rusek, K, additional, Sanchez-Benitez, A M, additional, Sandoli, M, additional, Signorini, C, additional, Silvestri, R, additional, Soramel, F, additional, Strano, E, additional, and Stroe, L, additional

Published
2015
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2. Reaction dynamics studies for the system7Be+58Ni

Author

Torresi, D, primary, Mazzocco, M., additional, Acosta, L, additional, Boiano, A, additional, Boiano, C, additional, Diaz-Torres, A, additional, Fierro, N, additional, Glodariu, T, additional, Grilj, L, additional, Guglielmetti, A, additional, Keeley, N, additional, La Commara, M, additional, Martel, I, additional, Mazzocchi, C, additional, Molini, P, additional, Pakou, A, additional, Parascandolo, C, additional, Parkar, V V, additional, Patronis, N, additional, Pierroutsakou, D, additional, Romoli, M, additional, Rusek, K, additional, Sanchez-Benitez, A M, additional, Sandoli, M, additional, Signorini, C, additional, Silvestri, R, additional, Soramel, F, additional, Stiliaris, E, additional, Strano, E, additional, Stroe, L, additional, and Zerva, K, additional

Published
2015
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3. Elastic scattering and transfer reactions for the system7Be +58Ni at Coulomb barrier energies

Author

A. Guglielmetti, R. Silvestri, E. Strano, N. Keeley, C. Parascandolo, A. M. Sánchez-Benítez, K. Rusek, D. Pierroutsakou, Ismael Martel, C. Boiano, C. Mazzocchi, M. Romoli, M. Mazzocco, C. Signorini, F. Soramel, V. V. Parkar, P. Molini, J. A. Lay, A. Boiano, M. La Commara, L. Stroe, T. Glodariu, D. Torresi, L. Acosta, and M. Sandoli

Subjects
Elastic scattering, Nuclear reaction, Physics, History, Ion beam, Proton, Nuclear Theory, Coulomb barrier, Computer Science Applications, Education, Physics and Astronomy (all), Helium-3, Physics::Accelerator Physics, Atomic physics, Nuclear Experiment, Nucleon, Beam (structure)
Abstract

We investigated the reaction induced by the Radioactive Ion Beam 7Be on the closed proton shell nucleus 58Ni at 22.0 MeV bombarding energy. The 7Be beam was produced by means of the in-flight technique with the facility EXOTIC at INFN-LNL (Italy). Charged reaction products were mass and charge identified in a rather wide angular range and their energy distributions were analyzed to infer some information on the production mechanism. The relevance of direct processes, especially 3He- and 4He-stripping, as well as compound nucleus reactions is critically reviewed.

Published
2015
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4. Reaction dynamics studies for the system7Be+58Ni

Author

Alexis Diaz-Torres, V. V. Parkar, Ismael Martel, A. Guglielmetti, L. Stroe, M. Sandoli, A. M. Sánchez-Benítez, A. Pakou, E. Strano, L Grilj, D. Pierroutsakou, R. Silvestri, M. Romoli, P. Molini, C. Parascandolo, M. La Commara, A. Boiano, C. Mazzocchi, M. Mazzocco, K. Rusek, Efstathios Stiliaris, N. Keeley, T. Glodariu, C. Boiano, K. Zerva, Francesca Soramel, C. Signorini, L. Acosta, D. Torresi, N. Patronis, and N. Fierro

Subjects
Nuclear reaction, Elastic scattering, Physics, History, Scattering, Coulomb barrier, Computer Science Applications, Education, Physics and Astronomy (all), Helium-4, Reaction dynamics, Helium-3, Atomic physics, Nuclear Experiment, Isotopes of helium
Abstract

The study of reactions induced by exotic weakly bound nuclei at energies around the Coulomb barrier had attracted a large interest in the last decade, since the features of these nuclei can deeply affect the reaction dynamics. The discrimination between different reaction mechanisms is, in general, a rather difficult task. It can be achieved by using detector arrays covering high solid angle and with high granularity that allow to measure the reaction products and, possibly, coincidences between them, as, for example, recently done for stable weakly bound nuclei [1, 2]. We investigated the collision of the weakly bound nucleus 7Be on a 58Ni target at the beam energy of 1.1 times the Coulomb barrier, measuring the elastic scattering angular distribution and the energy and angular distributions of 3He and 4He. The 7Be radioactive ion beam was produced by the facility EXOTIC at INFN-LNL with an energy of 22 MeV and an intensity of ~3×105 pps. Results showed that the 4He yeld is about 4 times larger than 3He yield, suggesting that reaction mechanisms other than the break-up mostly produce the He isotopes. Theoretical calculations for transfer channels and compound nucleus reactions suggest that complete fusion accounts for (41±5%) of the total reaction cross section extracted from optical model analysis of the elastic scattering data, and that 3He and 4He stripping are the most populated reaction channels among direct processes. Eventually estimation of incomplete fusion contributions to the 3,4He production cross sections was performed through semi-classical calculations with the code PLATYPUS [3].

Published
2015
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5. Search for the Dynamical Dipole mode in the192Pb mass region

Author

C. Maiolino, M. Trimarchi, C. Agodi, B. Martin, M. Sandoli, R. Silvestri, C. Rizzo, A. Boiano, Francesca Soramel, R. Coniglione, A. Del Zoppo, U. Emanuele, Maria Colonna, C. Signorini, G. Inglima, M. Romoli, A. Guglielmetti, E. De Filippo, M. Di Toro, F. Farinon, Domenico Santonocito, R. Alba, A. Trifirò, C. Parascandolo, M. La Commara, D. Pierroutsakou, P. Molini, V. Baran, M. Mazzocco, C. Mazzocchi, R., Silvestri, D., Pierroutsakou, C., Parascandolo, C., Agodi, R., Alba, V., Baran, A., Boiano, M., Colonna, R., Coniglione, E., De Filippo, A., Del Zoppo, M., Di Toro, U., Emanuele, F., Farinon, A., Guglielmetti, G., Inglima, LA COMMARA, Marco, C., Maiolino, B., Martin, M., Mazzocco, C., Mazzocchi, P., Molini, C., Rizzo, M., Romoli, M., Sandoli, D., Santonocito, C., Signorini, F., Soramel, A., Trifirò, and M., Trimarchi

Subjects
Physics, History, Fusion, Fission, Coincidence, Spectral line, Computer Science Applications, Education, Nuclear physics, Dipole, Nuclear fusion, Polar, Atomic physics, Nuclear Experiment, Nucleon
Abstract

The prompt γ radiation originating from the dynamical dipole mode decay was investigated in the 192Pb composite system employing the 40Ca + 152Sm and 48Ca + 144Sm reactions at Elab=11 and 10.1 MeV/nucleon, respectively. The γ-ray energy spectra at various polar angles were obtained for fusion-evaporation and fission events by detecting the high energy γ rays with the MEDEA experimental apparatus in coincidence with evaporation residues and fission fragments. Preliminary results of this experiment show that the dynamical dipole mode survives in collisions involving heavier mass reaction partners than those studied previously. As a fast cooling mechanism on the fusion path, the prompt dipole γ radiation could be of interest for the synthesis of super-heavy elements through "hot" fusion reactions.

Published
2011
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6. Scattering process for the system7Be +58Ni at 23.2 MeV beam energy

Author

Mazzocco, M, primary, Torresi, D, additional, Fierro, N, additional, Acosta, L, additional, Boiano, A, additional, Boiano, C, additional, Glodariu, T, additional, Guglielmetti, A, additional, Commara, M La, additional, Martel, I, additional, Mazzocchi, C, additional, Molini, P, additional, Pakou, A, additional, Parascandolo, C, additional, Parker, V V, additional, Patronis, N, additional, Pierroutsakou, D, additional, Romoli, M, additional, Sanchez-Benitez, A M, additional, Sandoli, M, additional, Signorini, C, additional, Silvestri, R, additional, Soramel, F, additional, Stiliaris, E, additional, Strano, E, additional, Stroe, L, additional, and Zerva, K, additional

Published
2013
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7. Elastic scattering measurement for the system 17O + 58Ni at Coulomb barrier energies with silicon strip detectors exploiting ASIC electronics

Author

Signorini, C, primary, Mazzocco, M, additional, Molini, P, additional, Pierroutsakou, D, additional, Boiano, C, additional, Manea, C, additional, Strano, E, additional, Torresi, D, additional, Meo, P Di, additional, Nicoletto, M, additional, Boiano, A, additional, Glodariu, T, additional, Grebosz, J, additional, Guglielmetti, A, additional, Commara, M La, additional, Parascandolo, C, additional, Parascandolo, L, additional, Sandoli, M, additional, Soramel, F, additional, Stroe, L, additional, Toniolo, N, additional, and Veronese, F, additional

Published
2013
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8. Strong reaction channels for the system17F +58Ni at Coulomb barrier energies

Author

Mazzocco, M, primary, Signorini, C, additional, Pierroutsakou, D, additional, Glodariu, T, additional, Boiano, A, additional, Boiano, C, additional, Farinon, F, additional, Figuera, P, additional, Filipescu, D, additional, Fortunato, L, additional, Guglielmetti, A, additional, Inglima, G, additional, Commara, M La, additional, Lattuada, M, additional, Lotti, P, additional, Mazzocchi, C, additional, Molini, P, additional, Musumarra, A, additional, Pakou, A, additional, Parascandolo, C, additional, Patronis, N, additional, Romoli, M, additional, Sandoli, M, additional, Scuderi, V, additional, Soramel, F, additional, Stroe, L, additional, Torresi, D, additional, Vardaci, E, additional, and Vitturi, A, additional

Published
2011
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9. Search for the Dynamical Dipole mode in the192Pb mass region

Author

Silvestri, R, primary, Pierroutsakou, D, additional, Parascandolo, C, additional, Agodi, C, additional, Alba, R, additional, Baran, V, additional, Boiano, A, additional, Colonna, M, additional, Coniglione, R, additional, Filippo, E De, additional, Zoppo, A Del, additional, Toro, M Di, additional, Emanuele, U, additional, Farinon, F, additional, Guglielmetti, A, additional, Inglima, G, additional, Commara, M La, additional, Maiolino, C, additional, Martin, B, additional, Mazzocco, M, additional, Mazzocchi, C, additional, Molini, P, additional, Rizzo, C, additional, Romoli, M, additional, Sandoli, M, additional, Santonocito, D, additional, Signorini, C, additional, Soramel, F, additional, Trifirò, A, additional, and Trimarchi, M, additional

Published
2011
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11. Statistical multistep compound emission in the25Mg(3He,p)27Al reaction

Author

L Colli-Milazzo, E. Rosato, R. Bonetti, G. Inglima, A. De Rosa, M. Sandoli, and E. Perillo

Subjects
Physics, Nuclear and High Energy Physics, Proton, Interference (communication), Astrophysics::High Energy Astrophysical Phenomena, Physics::Accelerator Physics, General Physics and Astronomy, Atomic physics, Nuclear Experiment, Entrance channel, Ion
Abstract

It is shown that statistical multistep compound emission dominates the spectrum of protons emitted by the reaction 25Mg(3He,p)27Al at 13 MeV incident 3He ions. Angular distributions show the effect of interference in the entrance channel and the proton spectrum shows the presence of fluctuations in the multistep compound emission.

Published
1978
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