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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 | Vascular response to hypoxic preconditioning in the immature brain显示文摘 | Gustavsson M Mallard C Vannucci SJ | 2007 | J Cereb Blood Flow Metab2007，27，5： | 1 |
| 3 | Trace-element incorpora- tion in titanite: constraints from experimentally determined solid/liquid partition coefficients 显示文摘 | Tiepolo M Oberti R Vannucci R | 2002 | Chem Geol2002，191，13： | 1 |
| 4 | Vascular response to hypoxic preconditioning in the immature brain显示文摘 | Gustavsson M Mallard C Vannucci SJ | 2007 | J Cereb Blood Flow Metab2007，27，5： | 1 |
| 5 | A method for resampling imbalanced datasets in binary classification tasks for real-world problems显示文摘 | CATENI S COLLA V VANNUCCI M | 2014 | Neurocomputing2014，135，： | 1 |
| 6 | Intracellular calcium accumulation during the evolution of Hypoxic-ischemia brain damage in the immature rat显示文摘 | Vannucci R C Brucklacher R M Vannucci S J | 2001 | Brain Res Dev Brain Res2001，126，1： | 1 |
| 7 | Pulmonary seques-tration supplied by giant aneurysmal aortic branch 显示文摘 | Ragusa M Vannucci J Lenti M | 2010 | Ann Thorac Surg2010，89，2： | 1 |
| 8 | Gene selection: a Bayesian variable selection approach显示文摘 | LEE K E SHA N DOUGHERTY E R VANNUCCI M | 2003 | Bioinformatics2003，19，1： | 1 |
| 9 | The Finero phlogopite-peridotite massif: An example of subduction-related metasomatism显示文摘 | ZANETTI A MAZZUCCHELLI M RIVALENTI G VANNUCCI R | 1999 | Contrib Mineral Petrol1999，134，： | 1 |
| 10 | Viral vectors: alook back and ahead on gene transfer technology显示文摘 | Vannucci L Lai M Chiuppesi F | 2013 | NewMicrobiol2013，36，： | 1 |
| 11 | Information theory provides a comprehensive framework for the evaluation of protein structure predictions显示文摘 | Swanson R Vannucci M Tsai J W | 2009 | Proteins2009，74，3： | 1 |
| 12 | Electrocatalytic Water Oxidation by a Monomeric Amidate-Ligated Fe(Ⅲ)-Aqua Complex显示文摘 | Coggins M K Zhang M T Vannucci A K | 2014 | J Am Chem Soc2014，136，15： | 1 |
| 13 | Vascular response to hypoxic preconditioning in the immature brain 显示文摘 | Gustavsson M Mallard C Vannucci S J | 2007 | J Cereb Blood Flow Metab2007，27，5： | 1 |
| 14 | Growth of early continental crust controlled by melting of amphibolite in subduction zones 显示文摘 | FOLEY S TIEPOLO M VANNUCCI R | 2002 | Nature2002，417，6891： | 1 |
| 15 | Wavelet change-point prediction of transmembrane proteins显示文摘 | Lio P Vannucci M | 2000 | Bioinformatics2000，16，： | 1 |
| 16 | Fluorescent labelledthiourea-bridged glycodendrons 显示文摘 | Krist P Vannucci L Kuzma M | 2004 | Chembiochem2004，5，4： | 1 |
| 17 | Growth of early continental crust controlled by melting of amphibolite in subduction zones 显示文摘 | Foley S Tiepolo M Vannucci R | 2002 | Nature2002，417，6891： | 1 |
| 18 | Diagnosis and endovascular treatment of an internal mammary artery injury显示文摘 | Cagini L Vannucci J Scialpi M | 2013 | J Emerg Med2013，44，1： | 1 |
| 19 | Nb and Ta incorpora- tion and fractionation in titanian pargasite and kaersutite: Crystal- chemical constraints and implications for natural systems 显示文摘 | Tiepolo M Vannucci R Oberti R | 2000 | Earth and Planetary Science Letters2000，176，2： | 1 |
| 20 | Interventions for perinatalhy-poxic-ischemic encephalopathy显示文摘 | VANNUCCI R C PERIMAN J M | 1997 | Peliatrics1997，100，： | 1 |
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