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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 | Quality improvement guidelines for percutaneous nephrosto-my显示文摘 | Ramchandani P Cardella J F Grassi C J | 2001 | J Vasc Interv Radiol2001，12，11： | 1 |
| 3 | Society of Interventional Radiology clinical practice guidelines显示文摘 | Sacks D McClenny T E Cardella J F | 2003 | J Vasc Interv Radiol2003，20，7： | 1 |
| 4 | Coronary in- volvement in mediterranean spotted fever 显示文摘 | Cascio A Maggio MC Cardella F | 2011 | New Micro- biol2011，34，4： | 1 |
| 5 | Society of Interventional Radiology position statement : treatment of acute iliofemoral deep vein thrombosis with use of adjunctive catheter-directed intrathrombus thrombolysis 显示文摘 | VEDANTHAM S MILLWARD S F CARDELLA J F | 2009 | J Vasc Interv Radiol2009，20，7： | 1 |
| 6 | Quality improvementguidelines for percutaneous needle biopsy显示文摘 | Gupta S Wallace M J Cardella J F | 2010 | Journal of Vascular andInterventional Radiology2010，21，7： | 1 |
| 7 | Somatosensory and visual evoked potentials study in young insulin-dependent diabetic patients显示文摘 | Fierro B Meli F Brighina F Cardella F | 1996 | Electromyogr Clin Neurophysiol1996，36，8： | 1 |
| 8 | Quality im- provement guidelines for the treatment of lower extremity deep vein thrombosis with use of endovascular thrombus removal显示文摘 | Vedantham S Thorpe P E Cardella J F | 2009 | J Vasc Interv Radiol2009，20，7： | 1 |
| 9 | Quality improvement guidelines tor percutancous nephrostomy 显示文摘 | Ramchandani P Cardella J F Grassi C J | 2001 | J Vasc Interv Radiol2001，12，11： | 1 |
| 10 | Insulin therapy during diabetic ketoacidosis in children 显示文摘 | Cardella F | 2005 | Acta Biomed2005，76，3： | 1 |
| 11 | Quality improvement guidelines for percutaneous permanent inferior vena cava filter placement for the prevention of pulmonary embolism显示文摘 | Grassi C J Swan T L Cardella J F | 2003 | J Vasc Interv Radiol2003，47，92： | 1 |
| 12 | Quality improvement guidelines for percutaneous permanent inferior vena cava filter placement for the prevention of pulmonary embolism 显示文摘 | Grassi C J Swan T L Cardella J F | 2003 | J Vasc Interv Radiol2003，14，92： | 1 |
| 13 | Insulin therapy during diabetic ketoacidosis in children 显示文摘 | Cardella F | 2005 | Acta Biomed2005，76，3： | 1 |
| 14 | Position statement on percutaneous vertebral augmentation:a consensus statement developed by the American Society of Interventional and Therapeutic Neuroradiology,Society of Interventional Radiology,American Association of Neurological Surgeons/Congress of Neurological Surgeons,and American Society of Spine Radiology显示文摘 | Jensen M E Mc Graw J K Cardella J F | 2009 | Vasc Interv Radiol2009，20，7： | 1 |
| 15 | Quality improvement guidelines for the treatment of lower extremity deep vein thrombosis with use of endovascular thrombus removal显示文摘 | Vedantham S Thorpe P E Cardella J F | | 0，，03： | 1 |
| 16 | Quality improvement guidelines for the treatment of lower extremity deep vein thrombosis with use of endovascular thrombus removal 显示文摘 | VEDANTHAM S THORPE P E CARDELLA J F | 2009 | J Vasc Interv Radiol2009，20，7： | 1 |
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