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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 | Dynamic characteristics of composite laminates显示文摘 | Kulkami S V Pagano N J | 1972 | Journal of Sound and Vibration1972，23，1： | 1 |
| 3 | Exact solutions for rectangular bidirectional composites and sandwich plates显示文摘 | | 1970 | Journal of Composite Material1970，4，： | 1 |
| 4 | Interlaminar stresses in composite laminates under uniform axial extension显示文摘 | Pipes R B Pagano N J | 1970 | Journal of Composite Materials1970，4，： | 1 |
| 5 | Shear deformation in heterogeneous anisotropic plates 显示文摘 | Whitney J M Pagano N J | 1970 | Joumal of Applied Mechanics1970，37，： | 1 |
| 6 | On the calculation of interlaminar normal stress in composite laminate 显示文摘 | PAGANO N J | 1974 | Journal of Composite Materials1974，，8： | 1 |
| 7 | Shear deformation in heterogeneous, anisotropic plates显示文摘 | Whitney J M Pagano N J | 1970 | Appl Mech1970，37，4： | 1 |
| 8 | Curing stresses in composite laminates 显示文摘 | Hahn H Pagano N | 1975 | Journal of Composite Materials1975，9，1： | 1 |
| 9 | VIN Ⅲ :a clinicopathological review显示文摘 | MCNALLY O M MULVANY N J PAGANO R | 2002 | Int J Gynecol Cancer2002，12，5： | 1 |
| 10 | On the calculation of interlaminar normal stress in composite laminate显示文摘 | Pagano N J | 1974 | Journal of Composite Materials1974，8，： | 1 |
| 11 | Exact solutions for rectangular bidirectional composites and sandwich plates 显示文摘 | Pagano N J | 1970 | Journal of Composite Materials1970，4，： | 1 |
| 12 | Interlaminar stresses in composite laminates under uniform axial extension 显示文摘 | Pipes R N Pagano N J | 1970 | Journal of Composite Materials1970，，4： | 1 |
| 13 | Exact solutions for rectangular bidirectional composites and sandwich plates显示文摘 | Pagano N J | 1970 | Journal of Composite Materials1970，4，1： | 1 |
| 14 | Epstein-Barr virus latent membrane protein 1 induces synthesis of hypoxia-inducible factor 1 alpha 显示文摘 | Wakisaka N Kondo S Yoshizaki T Murono S Furukawa M Pagano JS | 2004 | Mol Cell Bioi2004，24，12： | 1 |
| 15 | VIN 3:a clinicopathologic review显示文摘 | McNally OM Mulvany N J Pagano R Quirm MA Rome RM | | 0，，： | 1 |
| 16 | Interlaminar stresses in composite laminates under uniform axial extension显示文摘 | Pipes R Pagano N | 1972 | Journal of Composite Materials1972，11，： | 1 |
| 17 | Interlaminar stresses in composite laminates under uniform axial extension显示文摘 | R B Pipes and N J Pagano | 1970 | J Compos Mater1970，，4： | 1 |
| 18 | Hydrogen peroxide as a paracrine vascular mediator:regulation and signaling leading to dysfunction显示文摘 | Ardanaz N Pagano PJ | 2006 | Exp Biol Med (Maywood)2006，231，： | 1 |
| 19 | Exact solutions for rectangular bidirectional composites and sandwich plates显示文摘 | Pagano N J | 1970 | Journal of Composite Materials1970，4，： | 1 |
| 20 | Dynamic characteristics of composite laminates显示文摘 | Pagano N J | 1972 | Journal of Sound and Vibration1972，23，： | 1 |
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