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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 | Hepatic and muscle insulin action during late pregnancy in the dog 显示文摘 | CONNOLLY C C PAPA T SMITH M S | 2007 | American Journal of Physiology - Regulatory Integrative and Comparative Physiology2007，292，1： | 1 |
| 3 | Predietive value of ele- vated neutrophil lymphocyte ratio on cardiac mortality in patients with stable coronary artery disease 显示文摘 | Papa A Emdin M Passino C | 2008 | Clin Chim Aeta2008，395，12： | 1 |
| 4 | Use of the Bayley Infant Neurodevelopmental Screenex with an environmental risk group显示文摘 | HESS C R PAPAS M A BLACK M M | 2004 | Pediatr Psychol2004，，5： | 1 |
| 5 | Pectoralis mscle shortening and rigor development at different locations within the broiler breast显示文摘 | PAPA C M FLETCHER D L | 1988 | Poultry Science1988，67，： | 1 |
| 6 | Ubiquitin C-terminal hydrolase is a novel biomarker in humans for severe traumatic brain injury显示文摘 | Papa L Akinyi L Liu M C | 2009 | Crit Care Med2009，38，7： | 1 |
| 7 | The translationally controlled tumor protein is a novel calcium binding protein of the human placenta and regulates calcium handling in trophoblast cells显示文摘 | Arcuri F Papa S Meini A Carducci A Romagnoli R Bianchi L Riparbelli M G Sanchez J C Palmi M Tosi P Cintorino M | 2005 | Biol Reprod2005，73，4： | 1 |
| 8 | 查看详情显示文摘 | Albano C Papa J Ichazo M Gonzalez J.and Ustariz C | | 0，，： | 1 |
| 9 | Effect of divalent cations on biochemical and functional parameters of pre and post rigor chicken breast fillets 显示文摘 | Young L L Garcia J M Papa C M | 1991 | Poultry Sci1991，70，： | 1 |
| 10 | Efficient supervised optimum-path forest classification for large datasets显示文摘 | J P Papa A X Falc o V H C de Albuquerque J M R S Tavares | 2012 | Pattern Recognition2012，45，1： | 1 |
| 11 | Opposing control of cannabinoid re- ceptor stimulation on amyloid-beta-induced reactive gliosis: in vitro and in vivo evidence显示文摘 | Esposito G Iuvone T Savani C Scuderi C De Filippis D Papa M | 2007 | J Pharmacol Exp Ther2007，322，3： | 1 |
| 12 | Decrease of anti-cyclic citrullinated peptide antibodies and rheumatoid factor following anti-TNF alpha therapy (infliximab) in rheumatoid arthritis is as- sociated with clinical improvement显示文摘 | Alessandri C Bombardieri M Papa N | 2004 | Ann Rheum Dis2004，63，10： | 1 |
| 13 | Pectoralis muscle shortening and rigor development at different locations within the broiler breast显示文摘 | Papa C M Fletcher D L | | 0，，04： | 1 |
| 14 | Predictive value ofelevated neutrophil-lymphocyte ratio on cardiac mortality inpatients with stable coronary artery disease 显示文摘 | PAPA A EMDIN M PASSINO C | 2008 | Clin Chim Acta2008，395，1： | 1 |
| 15 | Predictive value of elevated neutrophil-lymphocyte ratio on cardiac mortality in patients with stable coronary artery disease显示文摘 | Papa A Emdin M Passino C | 2008 | Clin Chim Acta2008，395，12： | 1 |
| 16 | Rotrospective Serological and genetic study of the distribution of hanta Viruses in Greece显示文摘 | Papa A Johnson A M Stokton P C | 1998 | J Med Virol1998，55，： | 1 |
| 17 | Replacing egg yolk with soybean lecithin in the cryopreservation of stallion semen显示文摘 | Papa F O Felício G B Melo-O珘na C M | 2011 | Anim Reprod Sci2011，129，12： | 1 |
| 18 | Retrospective Serological and genetic study of the distribution of hantaan Viruses in Greece显示文摘 | Papa A Johnson A M Stokton P C | 1998 | J Med Virol1998，55，： | 1 |
| 19 | Predietive value of elevated neutrophil-lymphocyte ratio on cardiac mortality in patients with stable coronary artery disease显示文摘 | Papa A Emdin M Passino C | 2008 | Clin Chim Aeta2008，395，12： | 1 |
| 20 | Predictive value of elevated neutrophil lymphocyte ratio on cardiac mortality in patients with stable coronary artery disease显示文摘 | Papa A Emdin M Passino C | 2008 | Clin Chim Acta2008，395，12： | 1 |
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