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226 results on '"Lattuada Marcello"'

1. Recent THM investigations on neutron induced reactions at astrophysical energies

Author

Sergi Maria Letizia, Lamia Livio, Cherubini Silvio, D’Agata Giuseppe, Di Pietro Alessia, Fernandez-Garcia Juan Pablo, Figuera Pierpaolo, Guardo Giovanni Luca, Gulino Marisa, Hayakawa Seiya, Indelicato Iolanda, La Cognata Marco, La Commara Marco, Lattuada Dario, Lattuada Marcello, Mazzocco Marco, Oliva Alessandro Alberto, Palmerini Sara, Pizzone Rosario Gianluca, Rapisarda Giuseppe Gabriele, Romano Stefano, Spartà Roberta, Spitaleri Claudio, Torresi Domenico, and Tumino Aurora

Subjects
Physics, QC1-999
Abstract

Neutron induced reactions on stable and unstable nuclei play a significant role in the nucleosynthesis of the elements in the cosmos. In the last years, several efforts have been made to investigate the possibility of applying the Trojan Horse Method (THM) to neutron induced reactions mostly by using deuteron as “TH-nucleus”. Here, the main advantages of using THM will be given together with a more focused discussion on the recent 7Be(n,α)4He and the 14N(n,p)14C reactions.

Published
2023
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2. Interesting states in A = 10 mass region, populated in 10B + 10B nuclear reactions

Author

Malenica Deša Jelavić, Milin Matko, Di Pietro Alessia, Figuera Pierpaolo, Lattuada Marcello, Miljanić Ðuro, Musumarra Agatino, Pellegriti Maria Grazia, Scuderi Valentina, Skukan Natko, Soić Neven, Szilner Suzana, Torresi Domenico, and Uroić Milivoj

Subjects
Physics, QC1-999
Abstract

The 10B+10B reactions are measured at beam energies of 50 and 72.2 MeV. The large spin of 10B nucleus (Jύ= 3+) makes this reaction particularly suitable to populate high spin states in the exit channels. Population and decay of different states in A≈10 mass region is studied, and the results are discussed from the structure point of view. In particular, a new state in 12C at Ex= 24.4 MeV is observed to be strongly populated in the triple α-particle coincidences.

Published
2019
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3. A new analysis procedure to extract fusion excitation function with large beam energy dispersions: application to the 6Li+120Sn and 7Li+119Sn

Author

Di Pietro Alessia, Figuera Pierpaolo, Fisichella Maria, Shotter Alan C., Pablo Fernandez-Garcia Juan, Ferreira Jonas L., Lattuada Marcello, Lotti Paolo, Lubian Jesus, Ruiz Chris, Torresi Domenico, and Zadro Mile

Subjects
Physics, QC1-999
Abstract

In the present paper it is described an analysis procedure suited for experiments where cross-sections strongly varying with energy are measured using beams having large energy dispersion. These cross-sections are typically the sub-barrier fusion excitation function of reactions induced by radioactive beams. The large beam energy dispersion, typical of these experiments, can lead to ambiguities in the association of the effective beam energy to the reaction product yields and consequently to an error in the determination of the excitation function. As a test case, the approach is applied to the experiments 6Li+120Sn and 7Li+119Sn measured in the energy range 14 MeV ≤ Ec.m. ≤28 MeV. The complete fusion cross sections are deduced from activation measurements using the stacked target technique. The results of these experiments, that employ the two weakly-bound stable Li isotopes, show that the complete fusion cross sections above the barrier are suppressed of about 70% and 85% with respect to the Universal Fusion Function, used as a standard reference, in the 6Li and 7Li induced reactions respectively. Moreover, the excitation functions of the two systems at energies below the barrier, do not show significant differences, despite the two systems have different n-transfer Qvalue.

Published
2017
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4. At the origins of the Trojan Horse Method

Author

Lattuada Marcello

Subjects
Physics, QC1-999
Abstract

During the seventies and eighties a long experimental research program on the quasi-free reactions at low energy was carried out by a small group of nuclear physicists, where Claudio Spitaleri was one of the main protagonists. Nowadays, a posteriori, the results of these studies can be considered an essential step preparatory to the application of the Trojan Horse Method (THM) in Nuclear Astrophysics.

Published
2017
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6. Study of DSSSD detecto response in the inter-strip region using a proton micro-beam

Author

Grassi Laura, Torresi Domenico, Acosta Luis, Figuera Pierpaolo, Fisichella Maria, Grilj Veljko, Jakšić Milko, Lattuada Marcello, Mijatović Tea, Milin Matko, Prepolec Lovro, Skukan Natko, Soić Neven, Tokić Vedrana, and Uroić Milivoj

Subjects
Physics, QC1-999
Abstract

Double Sided Silicon Strip Detectors (DSSSDs) are segmented silicon detectors widely used for the detection of charged particles. When a particle hits the inter-strip gap between two adjacent strips, energy measurement can be affected by different effects reducing the efficiency of output signal generation. With the purpose to study this behaviour, an experiment was performed at the scanning proton micro-beam facility of the Ruđer Bošković Institute (RBI). Response of two detectors of thickness 75 and 998 µm is examined as a function of the beam impact position and bias voltage. Results show that the effective width of the inter-strip gap, which is linked to the efficiency for full energy detection, depends on the experimental conditions and detector settings.

Published
2014
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7. Experimental study to explore the $\rm ^8Be$ induced nuclear reaction via the Trojan Horse Method

Author

Qun-Gang, Wen, Cheng-Bo, Li, Shu-Hua, Zhou, Irgaziev, Bakhadir, Yuan-Yong, Fu, Spitaleri, Claudio, La Cognata, Marco, Jing, Zhou, Qiu-Ying, Meng, Lamia, Livio, and Lattuada, Marcello

Subjects
Nuclear Experiment
Abstract

To explore a possible indirect method for $\rm ^8Be$ induced astrophysical reactions, the $\rm ^9Be=({}^8Be+\it n)$ cluster structure was studied via the Trojan Horse Method. It is the first time to study a super short life nucleus $\rm ^8Be$ via the Trojan Horse Method, and it is the first time to make a valid test for $l=1$ Trojan-horse nucleus. The $\rm ^9Be$ nucleus is assumed to have a ($\rm {}^8Be+\it n$) cluster structure and used as the Trojan-horse nucleus. The $\rm ^8Be$ nucleus acts as a participant, while the neutron is a spectator to the virtual $\rm ^8Be +{\it d}\rightarrow \alpha + {}^6Li$ reaction via a suitable 3-body reaction $\rm ^9Be +{\it d}\rightarrow \alpha + {}^6Li +\it n$. The experimental neutron momentum distribution inside $\rm ^9Be$ was reconstructed. The agreement between experimental and theoretical momentum distribution indicates that there should be a ($\rm {}^8Be+\it n$) cluster structure inside $\rm ^9Be$. Therefor the experimental study of $\rm ^8Be$ induced reactions, for example the experimental measurement of the $\rm ^8Be +\alpha \rightarrow {}^{12}C$ reaction proceeding through the Hoyle state, is possible.

Published
2014
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8. Trojan Horse Method for n-induced reaction investigations at astrophysical energies

Author

Sergi, Maria Letizia, primary, Lamia, Livio, additional, Rapisarda, Giuseppe Gabriele, additional, Mazzocco, Marco, additional, Cherubini, Silvio, additional, D'Agata, Giuseppe, additional, Di Pietro, Alessia, additional, Fernandez-Garcia, Juan Pablo, additional, Figuera, Pierpaolo, additional, Fisichella, Maria, additional, Guardo, Giovanni L., additional, Gulino, Marisa, additional, Hayakawa, Seiya, additional, La Cognata, Marco, additional, Lattuada, Marcello, additional, Oliva, Alessandro Alberto, additional, Palmerini, Sara, additional, Pizzone, Rosario G., additional, Puglia, Sebastiana Maria Regina, additional, Romano, Stefano, additional, Spartà, Roberta, additional, Spitaleri, Claudio, additional, Torresi, Domenico, additional, and Tumino, Aurora, additional

Published
2022
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9. Interesting states in A = 10 mass region, populated in 10B + 10B nuclear reactions.

Author

de Angelis, G., Corradi, L., Malenica, Deša Jelavić, Milin, Matko, Di Pietro, Alessia, Figuera, Pierpaolo, Lattuada, Marcello, Miljanić, Ðuro, Musumarra, Agatino, Pellegriti, Maria Grazia, Scuderi, Valentina, Skukan, Natko, Soić, Neven, Szilner, Suzana, Torresi, Domenico, and Uroić, Milivoj

Subjects
BORON, NUCLEAR reactions, ELECTRON spin states, CHEMICAL reactions, RADIOACTIVE nuclear beams
Abstract

The 10B+10B reactions are measured at beam energies of 50 and 72.2 MeV. The large spin of 10B nucleus (Jύ= 3+) makes this reaction particularly suitable to populate high spin states in the exit channels. Population and decay of different states in A≈10 mass region is studied, and the results are discussed from the structure point of view. In particular, a new state in 12C at Ex= 24.4 MeV is observed to be strongly populated in the triple α-particle coincidences. [ABSTRACT FROM AUTHOR]

Published
2019
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10. Breakup and n-transfer effects on the fusion reactions (6, 7)Li+(120, 119)Sn around the Coulomb barrier

Author

Fisichella, M., Shotter, A. C., Di Pietro, A., Fernandez Garcia, J. P., Ferreira, J. L., Figuera, P., Lattuada, Marcello, Lubian, J., Lotti, P., Musumarra, A., Pellegriti, M. G., Ruiz, C., Scuderi, V., Strano, E., Torresi, D., and Zadro, M.

Subjects
fusion cross sections, break-up and transfer reactions
Abstract

This paper presents values of complete fusion cross sections deduced from activation measurements for the reactions 6Li+120Sn and 7Li+119Sn, and for a projectile energy range from 17.5 to 28 MeV in the center-of-mass system. A new deconvolution analysis technique is used to link the basic activation data to the actual fusion excitation function. The complete fusion cross sections above the barrier are suppressed by about 70% and 85% with respect to the universal fusion function, used as a standard reference, in the 6Li and 7Li induced reactions, respectively. From a comparison of the excitation functions of the two systems at energies below the barrier, no significant differences can be observed, despite the two systems have different n-transfer Q values. This observation is supported by the results of coupled reaction channels (CRC) calculations.

Published
2017

11. A new analysis procedure to extract fusion excitation function with large beam energy dispersions: Application to the 6Li+120Sn and 7Li+119Sn

Author

Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear, Di Pietro, Alessia, Figuera, Pierpaolo, Fisichella, Maria, Shotter, Alan C., Fernández García, Juan Pablo, Ferreira, Jonas Leonardo, Lattuada, Marcello, Lotti, Paolo, Lubián, Jesus Rios, Ruiz, Chris, Torresi, Domenico, Zadro, Mile, Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear, Di Pietro, Alessia, Figuera, Pierpaolo, Fisichella, Maria, Shotter, Alan C., Fernández García, Juan Pablo, Ferreira, Jonas Leonardo, Lattuada, Marcello, Lotti, Paolo, Lubián, Jesus Rios, Ruiz, Chris, Torresi, Domenico, and Zadro, Mile

Abstract

In the present paper it is described an analysis procedure suited for experiments where cross-sections strongly varying with energy are measured using beams having large energy dispersion. These cross-sections are typically the sub-barrier fusion excitation function of reactions induced by radioactive beams. The large beam energy dispersion, typical of these experiments, can lead to ambiguities in the association of the effective beam energy to the reaction product yields and consequently to an error in the determination of the excitation function. As a test case, the approach is applied to the experiments 6Li+120Sn and 7Li+119Sn measured in the energy range 14 MeV ≤ Ecm. ≤28 MeV. The complete fusion cross sections are deduced from activation measurements using the stacked target technique. The results of these experiments, that employ the two weakly-bound stable Li isotopes, show that the complete fusion cross sections above the barrier are suppressed of about 70% and 85% with respect to the Universal Fusion Function, used as a standard reference, in the 6Li and 7Li induced reactions respectively. Moreover, the excitation functions of the two systems at energies below the barrier, do not show significant differences, despite the two systems have different n-transfer Qvalue.

Published
2017

16. Reaction studies with low-energy weakly-bound beams at INFN-LNS

Author

Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear, Di Pietro, Alessia, Fernández García, Juan Pablo, Figuera, Pierpaolo, Fisichella, Maria, Lattuada, Marcello, Torresi, Domenico, Zadro, Mile, Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear, Di Pietro, Alessia, Fernández García, Juan Pablo, Figuera, Pierpaolo, Fisichella, Maria, Lattuada, Marcello, Torresi, Domenico, and Zadro, Mile

Abstract

The reaction dynamics of collisions involving halo or weakly bound nuclei, at energies around the Coulomb barrier, can be strongly affected by the structure of such nuclei. Very strong entrance channel effects have been observed on various reaction pocess such as, elastic scattering, fusion and direct reactions when comparing collision induced by the 6He and 11Be halo nuclei with the ones induced by their cores 4He and 10Be. Collisions induced by the stable weakly bound nuclei 6Li, 7Li show also some peculiarities in comparison to the ones induced by well bound nuclei; coupling with the break-up channel is in fact very important in reproducing low energy data. In this contribution an overview of our present understanding of the discussed topic will be given along with the discussion of some new preliminary results.

Published
2016

18. Publisher's Note: Experimental study to explore theBe8-induced nuclear reaction via the Trojan horse method [Phys. Rev. C93, 035803 (2016)]

Author

Wen, Qun-Gang, primary, Li, Cheng-Bo, additional, Zhou, Shu-Hua, additional, Irgaziev, Bakhadir, additional, Fu, Yuan-Yong, additional, Spitaleri, Claudio, additional, La Cognata, Marco, additional, Zhou, Jing, additional, Meng, Qiu-Ying, additional, Lamia, Livio, additional, and Lattuada, Marcello, additional

Published
2016
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20. Comparison of the effects of couplings to breakup channels in reactions induced by 6Li and 6He on the same 64Zn target

Author

Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear, Fernández García, Juan Pablo, Di Pietro, Alessia, Figuera, Pierpaolo, Fisichella, Maria, Lattuada, Marcello, Moro Muñoz, Antonio Matías, Zadro, Mile, Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear, Fernández García, Juan Pablo, Di Pietro, Alessia, Figuera, Pierpaolo, Fisichella, Maria, Lattuada, Marcello, Moro Muñoz, Antonio Matías, and Zadro, Mile

Abstract

The experimental elastic scattering angular distributions for the weakly bound nuclei 6,7Li and for the halo nucleus 6He on the same 64Zn target at several energies around the Coulomb barrier were measured at the Laboratori Nazionali del Sud (LNS, Italy) and at the Cyclotron Research Center, Louvain La Neuve (Belgium), respectively. The measured elastic scattering angular distributions of these three systems at the same center of mass energy have been compared. The experimental data of the 6,7Li+ 64Zn systems have been analyzed within the CDCC method, while the 6He+64Zn data have been compared with both both CDCC and CRC calculations.

Published
2015

23. Study of Mg resonances relevant for Carbon burning nucleosynthesis

Author

Tokić, V., Soić, N., Blagus, S., Fazinić, S., Jelavić Malenica, D., Miljanić, Ð., Prepolec, L., Skukan, N., Szilner, S., Uroić, M., Milin, M., Di Pietro, A., Figuera, P., Fisichella, M., Lattuada, Marcello, Scuderi, V., Strano, E., Torresi, D., Ashwood, N., Curtis, N., Freer, M., Ziman, V., Martel, I., Sanchez Benitez, A. M., and Acosta, L.

Published
2012

24. Anomalous behavior of DSSSD

Author

Grassi, L., Torresi, D., Acosta, L., Figuera, P., Fisichella, M., Grilj, V., Jakšić, M., Lattuada, Marcello, Mijatović, T., Milin, M., Prepolec, L., and Skukan, N.

Published
2012

26. Elastic Scattering and Fusion of Li-6 on Zn-64 at the Barrier

Author

Scuderi, V., Strano, E., Amorini, F., Di Pietro, A., Figuera, P., Fisichella, M., Goryunov, O., Maiolino, C., Lattuada, Marcello, Musumarra, Agatino, Ostashko, V., Papa, M., Pellegriti, M. G., Rizzo, Francesca, Santonocito, D., Torresi, D., Zadro, M., BE Demetriou, P, Julin, R, and Harissopulos, Sv

Published
2011

27. Does the breakup process affect the reaction dynamics for the systems17O,17F +58Ni at Coulomb barrier energies?

Author

Mazzocco, M., Signorini, C., Pierroutsakou, D., Glodariu, T., Boiano, A., Boiano, C., Castellani, L., Corti, D., De Rosa, A., Di Meo, P., Farinon, F., Figuera, P., Filipescu, D., Fortunato, L., Galet, G., Grebosz, J., Guglielmetti, A., Inglima, G., La Commara, M., Lattuada, Marcello, Lotti, P., Manea, C., Mazzocchi, C., Molini, P., Musumarra, Agatino, Nicoletto, M., Pakou, A., Parascandolo, C., Patronis, N., Romoli, M., Sandoli, M., Scuderi, V., Silvestri, R., Soramel, F., Stroe, L., Toniolo, N., Torresi, D., Vardaci, E., Vitturi, A., BE Schmitt CH, Navin, A, Rejmund, M, Lacroix, D, Goutte, H., Ch. Schmitt, A. Navin, M. Rejmund, D. Lacroix and H. Goutte, M., Mazzocco, C., Signorini, D., Pierroutsakou, T., Glodariu, A., Boiano, C., Boiano, L., Castellani, D., Corti, DE ROSA, Antonio, P., Di Meo, F., Farinon, P., Figuera, D., Filipescu, L., Fortunato, G., Galet, J., Grebosz, A., Guglielmetti, Inglima, Giovanni, LA COMMARA, Marco, M., Lattuada, P., Lotti, C., Manea, C., Mazzocchi, P., Molini, A., Musumarra, M., Nicoletto, A., Pakou, C., Parascandolo, N., Patroni, M., Romoli, Sandoli, Mario, V., Scuderi, R., Silvestri, F., Soramel, L., Stroe, N., Toniolo, D., Torresi, Vardaci, Emanuele, and A., Vitturi

Subjects
Physics, Proton, Scattering, QC1-999, Nuclear Theory, Binding energy, Coulomb barrier, breakup, Breakup, Cross section (physics), Reaction dynamics, weakly bound nuclei, Atomic physics, radioactive ion beams, Nuclear Experiment, Open shell
Abstract

The scattering processes of two mirror projectiles, the well bound 17 O (Sn = 4.143 MeV) and the loosely bound radioactive 17 F (Sp = 0.600 MeV), on the proton closed shell target 58 Ni were measured at several energies around the Coulomb barrier. The experimental data were analyzed within the framework of the optical model to extract the reaction cross section and to investigate the role played by direct reaction channels at near-barrier energies. The comparison shows a similar behaviour for the two A = 17 projectiles despite their very different binding energies and suggests a rather small effect of the 17 F breakup channel on the reaction dynamics.

Published
2011

28. Strong reaction channels for the system 17F + 58Ni at Copulomb barrier energies

Author

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

Published
2011

30. Structure effects and dynamics in fusion reactions of light weakly bound nuclei

Author

Strano, E., Dipietro, A., Figuera, P., Fisichella, M., Lattuada, Marcello, Maiolino, C., Musumarra, Agatino, Pellegriti, M. G., Santonocito, D., Scuderi, V., Torresi, D., Zadro, M., BE Giardina, G, Nasirov, Ak, and Pirrone, S.

Subjects
Nuclear reaction, History, Fusion, Chemistry, Binding energy, Coulomb barrier, Semiclassical physics, Collision, Computer Science Applications, Education, transfer, fusion, fission reactions, Coupled-channel and distorted-wave models, Electric field, Nuclear fusion, Atomic physics
Abstract

The study of fusion in collision around the Coulomb barrier, induced by radioactive or stable weakly bound nuclei, has been the subject of many experiments in the last years. From a semiclassical point of view, direct processes like break-up or transfer may be favoured by the low binding energies and one might also expect suppressed fusion cross section due to the competition with the break-up. However, according to the Coupled Channel calculations (CC), it is well known that the presence of strong open reaction channels can be responsible for a fusion cross-section enhancement with respect to the single barrier penetration calculations and the break-up should be included in such calculations. In order to further investigate on this topic, the 6Li+64Zn collision has been studied at several energies around the Coulomb barrier, to extract the total fusion and the total reaction cross sections and to study the energy dependence of the optical model potential.

Published
2011

32. Strong reaction channels for the system F-17+Ni-58 at Coulomb barrier energies

Author

Mazzocco, M., Signorini, C., Pierroutsakou, D., Glodariu, T., Boiano, A., Boiano, C., Farinon, F., Figuera, P., Filipescu, D., Fortunato, L., Guglielmetti, A., Inglima, G., La Commara, M., Lattuada, Marcello, Lotti, P., Mazzocchi, C., Molini, P., Musumarra, Agatino, Pakou, A., Parascandolo, C., Patronis, N., Romoli, M., Sandoli, M., Scuderi, V., Soramel, F., Stroe, L., Torresi, D., Vardaci, E., Vitturi, A., Iop, Gp, M., Mazzocco, C., Signorini, D., Pierroutsakou, T., Glodariu, A., Boiano, C., Boiano, F., Farinon, P., Figuera, D., Filipescu, L., Fortunato, A., Guglielmetti, G., Inglima, LA COMMARA, Marco, M., Lattuada, P., Lotti, C., Mazzocchi, P., Molini, A., Musumarra, A., Pakou, C., Parascandolo, N., Patroni, M., Romoli, M., Sandoli, V., Scuderi, F., Soramel, L., Stroe, D., Torresi, Vardaci, Emanuele, A., Vitturi, Jens Dilling, Inglima, Giovanni, and Sandoli, Mario

Subjects
Nuclear reaction, History, Interaction and reaction cross sections, Ion beam, Scattering, Chemistry, Coulomb excitation, Elastic and quasielastic scattering, Direct reaction, Coulomb barrier, Optical and diffraction model, Inelastic scattering, Computer Science Applications, Education, Cross section (physics), Reaction dynamics, Electric field, Atomic physics, Nuclear Experiment
Abstract

The reaction dynamics induced by the 17F Radioactive Ion Beam on the proton-shell closed 58Ni target was studied at two colliding energies slightly above the Coulomb barrier. Charged reaction products were detected at forward angles and the quasi-elastic differential cross section was analyzed within the framework of the optical model in order to extract the reaction cross section and to investigate the relevance of direct reaction channels (inelastic scattering, breakup and transfer) at near-barrier energies. The comparison with the reaction induced by double-magic tightly-bound 16O projectiles on the same target showed that the 17F reaction cross section is moderately enhanced at the lower secondary beam energy. Direct reaction channels were also found to be more relevant than for the corresponding 16O-induced reaction.

Published
2011

34. Studying B-12 via Li-8-alpha resonant scattering

Author

Torresi, D., Cosentino, L., Di Pietro, A., Ducoin, C., Figuera, P., Fisichella, M., Lattuada, Marcello, Lonnroth, T., Maiolino, C., Musumarra, Agatino, Papa, M., Pellegriti, M. G., Rovituso, M., Santonocito, D., Scalia, G., Scuderi, V., Strano, E., Zadro, M., BE Demetriou, P, Julin, R, and Harissopulos, Sv

Published
2011

35. Structure effects in the reactions 9,10,11Be+64Zn at the Coulomb barrier 267 (2011) 012012

Author

Scuderi, V, DI PIETRO, A, Acosta, L, Amorini, F, Borge, M. J. G., Figuera, P, Fisichella, M, Fraile, L. M., GOMEZ CAMACHO, J, Jeppesen, H, Lattuada, Marcello, Martel, I, Milin, M, Musumarra, A, Papa, M, Pellegriti, M. G., PEREZ BERNAL, F, Raabe, R, Randisi, G, Rizzo, Francesca, Santonocito, D, Scalia, G, Tengblad, O, Torresi, D, Vidal, A. M., and Zadro, M.

Published
2011

38. Elastic scattering and reaction mechanisms of the halo nucleus 11Be around the Coulomb barrier

Author

DI PIETRO, A, Acosta, L, Amorini, F, Borge, M. J. G., Figuera, P, Fisichella, M, Fraile, L. M., GOMEZ CAMACHO, J, Jeppesen, H, Lattuada, Marcello, Martel, I, Milin, M, Musumarra, Agatino, Papa, M, Pellegriti, M. G., Raabe, R, Randisi, G, Rizzo, Francesca, Santonocito, D, Scalia, G, Scuderi, V, Tengblad, O, Torresi, D, Vidal, A. M., and Zadro, M.

Subjects
scattering, reaction mechanism, nuclear halo
Published
2010

39. Studying 12B via 8Li-α resonant scattering

Author

Torresi, D., Cosentino, L., Di Pietro, A., Ducoin, C., Lattuada, Marcello, Lonnroth, T., Figuera, P., Fisichella, M., Maiolino, C., Musumarra, A., Papa, M., Pellegriti, M. G., Rovituso, M., Scuderi, V., Scalia, G., Santonocito, D., and Zadro, M.

Published
2010

40. Reaction dynamics for the system 17F+58Ni at near-barrier energies

Author

Mazzocco, M., Signorini, C., Pierroutsakou, D., Glodariu, T., Boiano, A., Boiano, C., Farinon, F., Figuera, P., Filipescu, D., Fortunato, L., Guglielmetti, A., Inglima, G., La Commara, M., Lattuada, Marcello, Lotti, P., Mazzocchi, C., Molini, P., Musumarra, Agatino, Pakou, A., Parascandolo, C., Patronis, N., Romoli, M., Sandoli, M., Scuderi, V., Soramel, F., Stroe, L., Torresi, D., Vardaci, E., Vitturi, A., M., Mazzocco, C., Signorini, D., Pierroutsakou, T., Glodariu, A., Boiano, C., Boiano, F., Farinon, P., Figuera, D., Filipescu, L., Fortunato, A., Guglielmetti, Inglima, Giovanni, LA COMMARA, Marco, M., Lattuada, P., Lotti, C., Mazzocchi, P., Molini, A., Musumarra, A., Pakou, C., Parascandolo, N., Patroni, M., Romoli, Sandoli, Mario, V., Scuderi, F., Soramel, L., Stroe, D., Torresi, Vardaci, Emanuele, and A., Vitturi

Subjects
radioactive ion-beams, reaction channels, fusion, probability, near barrier energy, f-17, halo, line, breakup, coulomb barrier, weakly-bound nuclei
Abstract

Charged reaction products originated from the interaction of the loosely bound radioactive ion beam (17)F (S(p) = 600 keV) with the proton-shell closed (58)Ni target were measured at two colliding energies slightly above the Coulomb barrier. The collected data were analyzed within the framework of the optical model to deduce the reaction cross section and to investigate the role played by inelastic excitations, transfer channels, and the breakup process (17)F --> (16)O + p at near-barrier energies. The reaction cross section at the lower (17)F energy showed a moderate enhancement (similar to 20%) with respect to that of the system (16)O + (58)Ni. At this energy direct reaction channels were also found to be more relevant than those for the reaction induced from the tightly bound projectile (16)O on the same target. Both features could be strongly related to the very low binding energy of the (17)F valence proton. Physical Review C

Published
2010

41. Elastic scattering of 6Li on 64Zn at near barrier energies

Author

Zadro, M., Figuera, P., Di Pietro, A., Amorini, F., Fisichella, M., Goryunov, O., Lattuada, Marcello, Maiolino, C., Musumarra, Agatino, Ostashko, V., Papa, M., Pellegriti, M. G., Rizzo, Francesca, Santonocito, D., Scuderi, V., and Torresi, D.

Subjects
elastic scttering, optical model, breakup threshold anomaly
Abstract

Elastic scattering angular distributions for the 6Li+64Zn system were measured at eight beam energies from below to above the Coulomb barrier, 12.0 E 22.0 MeV. The experimental data were analyzed within the optical model in order to study the energy dependence of the interaction potential and to obtain total reaction cross sections. The results obtained using several optical model potentials show similar behavior. The energy dependence of the strengths of the real and imaginary potentials suggests the presence of the breakup threshold anomaly. It is shown that the extracted energy dependence of the interaction potential at sub-barrier energies is very sensitive to possible experimental errors.

Published
2009

42. Analysis of T = 1 10B states analogue to 10Be cluster states

Author

Uroic, M., Miljanic, D., Blagus, S., Bogovac, M., Prepolec, L., Skukan, N., Soic, N., Majer, M., Milin, M., Lattuada, Marcello, Musumarra, Agatino, Acosta, L., BE Milin, M, Niksic, T, Vretenar, D, and Szilner, S.

Published
2009

44. Electron Screening effects on IP-decay

Author

Musumarra, A., Farinon, F., Nociforo, C., Geissel, H., Baur, G., Beckert, K., Behr, K. H., Bonasera, A., Bosch, F., Boutin, D., Brünle, A., Chen, L., Del Zoppo, A., Di Pietro, A., Faestermann, T., Figuera, P., Hagino, K., Janik, R., Karagiannis, C., Kienle, P., Kimura, S., Knöbel, R., Kojouharov, I., Kozhuharov, C., Kuboki, T., Kurcewicz, J., Kurz, N., Langanke, K., Lattuada, Marcello, Litvinov, S. A., Litvinov, Y. u. A., Martinez Pinedo, G., Mazzocco, M., Montes, F., Motizuki, Y., Nolden, F., Ohtsubo, T., Okuma, Y., Patyk, Z., Pellegriti, M. G., Plaß, W., Pietri, S., Podolyak, Z., Prochazka, A., Scheidenberger, C., Scuderi, V., Sitar, B., Steck, M., Strmen, P., Sun, B., Suzuki, T., Szarka, I., Torresi, D., Weick, H., Winfield, J. S., Winkler, M., Wollersheim, H. J., and Yamaguchi, T.

Published
2009

48. Nuclear molecules in A=10 nuclei

Author

Miljanic, D, Acosta, L, Blagus, S, Bogovac, M, Lattuada, Marcello, Majer, M, Milin, M, Musumarra, A, Prepolec, L, Skukan, N, Soic, N, and Uroic, M.

Published
2008

49. T = 1 isospin excitation spectrum in 10B

Author

Uroic, M, Miljanic, D, Blagus, S, Bogovac, M, Skukan, N, Soic, N, Majer, M, Milin, M, Propolec, L, Lattuada, Marcello, Musumarra, A, and Acosta, L.

Published
2008

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