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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 | Induction of gadd45beta by NF-kappaB downregulates pro-apoptotic JNK signalling 显示文摘 | De Smaele E Zazzeroni F Papa S | 2001 | Nature2001，414，： | 1 |
| 3 | In vivo confocal microsco- py of the human cornea显示文摘 | Jalbert I Stapleton F Papas E | 2003 | Br Jophthalmol2003，87，： | 1 |
| 4 | Urban rail systems investments:an a- nalysis of the impacts on property values and residents' location 显示文摘 | Pagliara F Papa E | 2011 | Journal of Transport Geography2011，，19： | 1 |
| 5 | 显示文摘 | PAPA E VILLA F GRAMATICA P | 2005 | J Chem Inf Model2005，45，： | 1 |
| 6 | In vivo confocal mi- croscopy of the human cornea 显示文摘 | Jalbert I Stapleton F Papas E | 2003 | Br J Ophthalmol2003，87，： | 1 |
| 7 | Statistically validated QSARs, based on theoretical descriptors, for modeling aquatic toxicity of organic chemicals in pimephales promelas (Fathead Minnow)显示文摘 | Papa E Villa F Gramatica P | 2005 | Journal of Chemical Information and Modeling2005，45，5： | 1 |
| 8 | Hepatic maerophages promote the neutrophildependent resolution of fibrosis in repairing cholestatic rat livers 显示文摘 | Harry M W Papa E F Huddleston H M | 2008 | Surgery2008，143，5： | 1 |
| 9 | Corneal and conjunctival sensory function:The Impact on ocular surface sensitivity of change from low to high oxygen transmissibility contact Lenses显示文摘 | Golebiowski B Papas E B Stapleton F | 2012 | Invest Ophthalmol Vis Sci2012，53，3： | 1 |
| 10 | In vivo confocal microscopy of the human cornea 显示文摘 | Jalbert I Stapleton F Papas E | 2003 | Br J Ophthalmo12003，87，2： | 1 |
| 11 | In vivo confocal microscopy of the human cornea显示文摘 | Jalbert 1 Stapleton F Papas E | 2003 | Br J Ophthalmol2003，87，2： | 1 |
| 12 | VOC re-moval: investigation of ethylacetate oxidation over suppor-ted Pt catalysts显示文摘 | PAPAE F E IOANNIDES T VCRYKIOS X E | 1999 | Catalysis Today1999，54，3： | 1 |
| 13 | Statistically validated QSARs, based on theoretical descriptors, for modeling aquatic toxicity of organic chemicals in Pimephales promelas (fathead minnow) 显示文摘 | Papa E Villa F Gramatica P | 2005 | Journal of Chemical In- formation and Modeling2005，45，5： | 1 |
| 14 | Takayasu arteritis: intravascular contrast medium for MR angiography in the evaluation of disease activity显示文摘 | Papa M De Cobelli F Baldissera E | 2012 | AIR Am J Roentgcnol2012，198，3： | 1 |
| 15 | Induction of gadd45beta by NF-kappaB downregulates pro-apoptotic JNK signaling显示文摘 | De Smaele E Zazzeroni F Papa S | 2001 | Nature2001，414，6861： | 1 |
| 16 | In vivo confocal microscopy of the human cornea显示文摘 | Jalbert J Stapleton F Papas E | 2003 | Br J Ophthalmo2003，87，： | 1 |
| 17 | Induction of Gadd45beta by NF-kappaB Downregulates显示文摘 | De Smaele E Zazzeroni F Papa S | 2001 | Nature2001，414，6861： | 1 |
| 18 | Induction of gadd45β by NF - κB downregulates pro - apoptotic JNK signaling显示文摘 | De Smaele E Zazzeroni F Papa S | 2001 | Nature2001，414，6861： | 1 |
| 19 | Induction of gadd45beta by NF-kappaB downregulates pro-apoptotic JNK signaling 显示文摘 | De Smaele E Zazzeroni F Papa S | 2001 | Nature2001，414，6861： | 1 |
| 20 | In vivo confocal microscopy of the human cornea显示文摘 | Jalbert J Stapleton F Papas E | | 0，，： | 1 |
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