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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 | Heat conduction in chains of nonlinear oscillators显示文摘 | Lepri S Livi R Politi A | 1997 | Phys Rev Lett1997，78，10： | 1 |
| 3 | Finite thermal conductivity in 1D lattices显示文摘 | Giardina C Livi R Politi A | 2000 | Phys Rev Lett2000，84，10： | 1 |
| 4 | Numerical modeling of simulated blood flow in idealized composite arterial coronary grafts: steady state simulations显示文摘 | POLITIS A K STABROPOULOS G P CHRISTOLIS M N | 2007 | Journal of Biomechanics2007，40，5： | 1 |
| 5 | Acquired resistance of lung adenocarcinomas to gefitinib or erlotinib is associated with a second mutation in the EGFR kinase domain显示文摘 | PAO W MILLER V A POLITI K A | 2005 | PloS Med2005，2，3： | 1 |
| 6 | Measuring spike train synchrony显示文摘 | Kreuz T Haas J S Morelli A Politi | 2007 | Neurosci Meth2007，165，： | 1 |
| 7 | Collective chaos in pulse - coupled neural networks 显示文摘 | S Olmi A Politi A Torcini | 2011 | EPL ( Europhysics Letters)2011，92，60： | 1 |
| 8 | Acquired re sistance of lung adenocarcinomas to gefitinib or erlo- tinib is associated with a second mutation in the EG- FR kinase domain显示文摘 | Pao W Miller V A Politi K A | 2005 | PLoS medicine2005，2，33： | 1 |
| 9 | Ocular adnexal lymphoma: diffusion weighted mr imaging for differential diagnosis and therapeutic monitoring 显示文摘 | Politi L S Forghani R C Resti A G | 2010 | Radiology2010，256，2： | 1 |
| 10 | Vitamin B12 levels in Alzheimer's disease:association with clinical features and eyto- kine production显示文摘 | Politis A Olgiati P Malitas P | 2010 | J Alzheimers Dis2010，19，2： | 1 |
| 11 | A Monte Carlo code for the simulation of heavy-ion tracks in water 显示文摘 | Champion C L'hoir A Politis M F | 2005 | Radiation Research2005，163，2： | 1 |
| 12 | Energy efficient and perceived QoS aware video routing over wireless multimedia sensor net- works显示文摘 | KANDRIS D TSAGKAROPOULOS M POLITIS I TZES A KOTSOPOULOS S | 2011 | Ad HocNetworks2011，9，4： | 1 |
| 13 | Structural properties and bandgap bowing of ZnO S thin films deposited by reactive sputtering显示文摘 | Meyer B K Polity A Farangis B et aI | 2004 | Applied Physics Letters2004，85，21： | 1 |
| 14 | Time - frequency representation of earthquake accelerograms and inelastic structural response records using the adaptive chirplet decomposition and empirical mode decomposition 显示文摘 | Spanos P D Giaralis A Politis N P | 2007 | Soil Dynamics and Earthquake Engineering2007，27，： | 1 |
| 15 | A direct screening procedure for diuretics in human urine by liquid chromatography-tandem mass spectrometry with information dependent acquisition显示文摘 | Politi L Morini L Polettini A | 2007 | Clinical Chima Acta2007，386，12： | 1 |
| 16 | Randomized clinical trial on short-time compression with Kaolin-filled pad:a new strategy to avoid early bleeding and subacute radial artery occlusion after percutaneous coronary intervention显示文摘 | Politi L Aprile A Paganelli C | | 0，，01： | 1 |
| 17 | Aeroelastic stability of wind turbines: the problem, the methods and the issues 显示文摘 | Riziotis V A Voutsinas S G Politis E S | 2004 | Wind Energy2004，7，： | 1 |
| 18 | Lack of association between interleukin-1 alpha rs1800587 polymorphism and Alzheimer's disease in two Independent European samples显示文摘 | Serretti A Olgiati P Politis A | 2009 | J Alzheimera Dis2009，16，18： | 1 |
| 19 | Transradial approach for coronary procedures initial experience and result 显示文摘 | Galli M Zerboni S Politi A | 1998 | G hal Cardial1998，28，7： | 1 |
| 20 | Quality of life in de- mentia patients in Athens, Greece: predictive factors and the role of caregiver-related factors 显示文摘 | Mougias AA Politis A Lyketsos CG | 2011 | Int Psychogeriatr2011，23，3： | 1 |
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