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Pregled bibliografske jedinice broj: 422475

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

Stefanini, A. M.; Montagnoli, G.; Silvestrim R.; Corradi, L.; Courtin, S.; Fioretto, E.; Guiot, B.; Haas, F.; Lebhertz, D.; Mason, P. et al.
How does fusion hindrance show up in medium-light systems ? The case of 48Ca + 48Ca // Physics Letters B, 679 (2009), 2; 95-99 doi:10.1016/j.physletb.2009.07.017 (međunarodna recenzija, članak, znanstveni)

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Naslov
How does fusion hindrance show up in medium-light systems ? The case of 48Ca + 48Ca

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

Izvornik
Physics Letters B (0370-2693) 679 (2009), 2; 95-99

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Heavy-ion fusion ; sub-barrier cross sections ; coupled-channels model

Sažetak
The fusion excitation function of 48Ca+48Ca has been remeasured 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 ~300microbarn. Coupled-channels calculations using 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 positive Q value is pointed out. The sign of the Q-value does not influence fusion cross sections down to the 300-600 nb level.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA

Projekti:
098-1191005-2890 - Eksperimentalno istraživanje atomske jezgre: struktura i reakcije (Szilner, Suzana, MZOS ) ( CroRIS)

Ustanove:
Institut "Ruđer Bošković", Zagreb

Profili:

Avatar Url Suzana Szilner (autor)

Poveznice na cjeloviti tekst rada:

doi www.sciencedirect.com doi.org

Citiraj ovu publikaciju:

Stefanini, A. M.; Montagnoli, G.; Silvestrim R.; Corradi, L.; Courtin, S.; Fioretto, E.; Guiot, B.; Haas, F.; Lebhertz, D.; Mason, P. et al.
How does fusion hindrance show up in medium-light systems ? The case of 48Ca + 48Ca // Physics Letters B, 679 (2009), 2; 95-99 doi:10.1016/j.physletb.2009.07.017 (međunarodna recenzija, članak, znanstveni)
Stefanini, A., Montagnoli, G., Silvestrim R., Corradi, L., Courtin, S., Fioretto, E., Guiot, B., Haas, F., Lebhertz, D. & Mason, P. (2009) How does fusion hindrance show up in medium-light systems ? The case of 48Ca + 48Ca. Physics Letters B, 679 (2), 95-99 doi:10.1016/j.physletb.2009.07.017.
@article{article, author = {Stefanini, A. M. and Montagnoli, G. and Corradi, L. and Courtin, S. and Fioretto, E. and Guiot, B. and Haas, F. and Lebhertz, D. and Mason, P. and Scarlassara, F. and Szilner, Suzana}, year = {2009}, pages = {95-99}, DOI = {10.1016/j.physletb.2009.07.017}, keywords = {Heavy-ion fusion, sub-barrier cross sections, coupled-channels model}, journal = {Physics Letters B}, doi = {10.1016/j.physletb.2009.07.017}, volume = {679}, number = {2}, issn = {0370-2693}, title = {How does fusion hindrance show up in medium-light systems ? The case of 48Ca + 48Ca}, keyword = {Heavy-ion fusion, sub-barrier cross sections, coupled-channels model} }
@article{article, author = {Stefanini, A. M. and Montagnoli, G. and Corradi, L. and Courtin, S. and Fioretto, E. and Guiot, B. and Haas, F. and Lebhertz, D. and Mason, P. and Scarlassara, F. and Szilner, Suzana}, year = {2009}, pages = {95-99}, DOI = {10.1016/j.physletb.2009.07.017}, keywords = {Heavy-ion fusion, sub-barrier cross sections, coupled-channels model}, journal = {Physics Letters B}, doi = {10.1016/j.physletb.2009.07.017}, volume = {679}, number = {2}, issn = {0370-2693}, title = {How does fusion hindrance show up in medium-light systems ? The case of 48Ca + 48Ca}, keyword = {Heavy-ion fusion, sub-barrier cross sections, coupled-channels model} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus

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