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| 1 | Competition between fusion-evaporation and multifragmentation in central collisions in ^(58)Ni+^(48)Ca at 25A MeV显示文摘The experimental data concerning the58Ni+48Ca reaction at Elab(Ni)=25A MeV,collected by using the CHIMERA 4π device,have been analyzed in order to investigate the competition among different reaction mechanisms for central collisions in the Fermi energy domain.As a main criterion for centrality selection we have chosen the flow angle(flow) method,making an event-by-event analysis that considers the shape of events,as it is determined by the eigenvectors of the experimental kinetic-energy tensor.For the selected central events(flow >60°) some global variables,good to characterize the pattern of central collisions have been constructed.The main features of the reaction products were explored by using different constraints on some of the relevant observables,like mass and velocity distributions and their correlations.Much emphasis was devoted,for central collisions,to the competition between fusion-evaporation processes with subsequent identification of a heavy residue and a possible multifragmentation mechanism of a well defined(if any) transient nuclear system.Dynamical evolution of the system and pre-equilibrium emission were taken into account by simulating the reactions in the framework of transport theories.Different approaches have been envisaged(dynamical stochastic BNV calculations + sequential SIMON code,QMD,CoMD,etc.).Preliminary comparison of the experimental data with BNV calculations shows reasonable agreement with the assumption of sequential multifragmentation emission in the mass region of IMFs close to the heavy residues.Possible deviations from sequential processes were found for those IMFs in the region of masses intermediate between the mass of heavy residues and the mass of light IMFs.Further simulations are in progress.The experimental analysis will be enriched also by information obtained inspecting the IMF-IMF correlation function,in order to elucidated the nature of space-time decay property of the emitting source associated with events having the largest IMF multiplicity. | FRANCALANZA L ABBONDANNO U AMORINI F BARLINI S BINI M BOUGAULT R BRUNO M CARDELLA G CASINI G AGOSTINO M D' De FILIPPO V De SANCTIS J GERACI E GIUSSANI A GRAMEGNA F GUIOT B KRAVCHUK V La GUIDARA E LANZALONE G Le NEINDRE N MAIOLINO C MARINI P MORELLI L OLMI A PAGANO A PAPA M PIANTELLI S PIRRONE S POLITI G POGGI G PORTO F RUSSOTTO P RIZZO F VANNINI G VANNUCCI L | 2013 | Nuclear Science and Techniques2013，24，5： | 2 |
| 2 | Bioremediationof a weathered and a recently oil-contaminated soils from Brazil:acomparison study显示文摘 | Trindade P V O Sobral L G Rizzo A C L | 2005 | Chemosphere2005，58，4： | 1 |
| 3 | Quenching and partitioning martensite:A novel steel heat treatment 显示文摘 | Edmonds D V He K Rizzo F C | 2006 | Materials Science and Engineering A2006，，： | 1 |
| 4 | The 'quenching and partitioning' process : Background and recent progress 显示文摘 | Speer J G Rizzo F C Matlock D K | 2005 | Materials Research2005，8，4： | 1 |
| 5 | Rational targeting of Notchsignaling in cancer 显示文摘 | Rizzo P Osipo C Foreman K | 2008 | Oncogene2008，27，38： | 1 |
| 6 | Pathophysiology of vascular dementia显示文摘 | Iemolo F Duro G Rizzo C | 2009 | Immun Ageing2009，6，13： | 1 |
| 7 | Pathophysiology of vascular dementia显示文摘 | Iemolo F Duro G Rizzo C | 2009 | Immunity & Ageing2009，6，1： | 1 |
| 8 | Rational targeting of Notch signaling in cancer显示文摘 | Rizzo P Osipo C Foreman K | 2008 | Oncogene2008，27，38： | 1 |
| 9 | Synthesis of mesoporous SiO2- ZrO2 mixed oxides by sol-gel method显示文摘 | Flego C Carluccio L Rizzo C | 2001 | Catalysis Communications2001，2，2： | 1 |
| 10 | Recruitment of endothe lial caveolae into mechanotransduction pathways by flow conditioning in vitro显示文摘 | Rizzo V Morton C DePaola N | | 0，，04： | 1 |
| 11 | The 'Quenching and Partitioning' Process:Background and Recent Pprogress显示文摘 | Speer J G Rizzo F C Matlock D K | 2005 | Materials Research2005，8，： | 1 |
| 12 | Th17 cytokines stimulate CCL20 expression in keratinocytes in vitro and in vivo:implications for psoriasis pathogenesis 显示文摘 | Harper EG Guo C Rizzo H | 2009 | J Inves Dermatol2009，129，9： | 1 |
| 13 | Partitioning of carbon from supersaturated plates of ferrite with application to steel processing and fundamentals of the bainite transformation显示文摘 | Speer J G Edmonds D V Rizzo F C | 2004 | Current Opinion in Solid State and Materials Science2004，8，： | 1 |
| 14 | The TIMI frame count & restenosis: faster is better ( abstr ) 显示文摘 | Gibson CM Rizzo C Mclean C | 1997 | JACC1997，29，： | 1 |
| 15 | Recruitment of endothelial caveolae into mechanotransduction pathways by flow conditioning in vitro 显示文摘 | Rizzo V Morton C DePaola N | 2003 | Am J Physiol Heart Circ Physiol2003，285，4： | 1 |
| 16 | The 'quenching and partitioning' process :Background and recent progress显示文摘 | Speer J G Rizzo F C Matlock D K | 2005 | Materials Research2005，8，4： | 1 |
| 17 | Smad7 expression in T ceils prevents colitis associated cancer 显示文摘 | Rizzo A Waldner M J Stolfi C | 2011 | Cancer Res2011，71，24： | 1 |
| 18 | ErbB-2 inhibition activates Notch-1 and sensitizes breast cancer cells to a gamma-secretase inhibitor 显示文摘 | Osipo C Patel P Rizzo P | 2008 | Oncogene2008，27，37： | 1 |
| 19 | Th17 cytokines stimulate CCI20 ex-pression in keratinocytes in vitro and in vivo:implications for psoria-sispathogenesis显示文摘 | Harper EG Guo C Rizzo H | 2009 | J Invest Dermatol2009，129，9： | 1 |
| 20 | Direct characterization of human T cells in pemphigus vulgaris reveals elevated autoantigen-specific Th2 activity in association with active disease显示文摘 | Rizzo C Fotino M Zhang Y | | 0，，5： | 1 |
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