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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 | Influence of polymer morphology on water treeing显示文摘 | Raharimalala V Poggi Y Filippini J C | 1994 | IEEE Trans on Dielectrics and Electrical Insulation1994，1，6： | 1 |
| 3 | A homogenization procedure for the numerical analysis of woven fabric composites显示文摘 | Poggi C | 2001 | Composites:Part A2001，32，： | 1 |
| 4 | X-linked adrenal hypoplasia congenita and hypogonadotropic hypogonadism: report on new mutation of the DAX-1 gene in two siblings 显示文摘 | Calvari V Alpigiani MG Poggi E | 2006 | J Endocrinol Invest2006，29，1： | 1 |
| 5 | Purification of a polyphenol oxidase isoform from potato (Solanum tuberosum) tubers 显示文摘 | Marri C Frazzoli A Hochkoeppler A Poggi V | 2003 | Phytochemistry2003，63，7： | 1 |
| 6 | RNA complementary to the 5'-UTR of mRNA triggers effective silencing in Saccharomyces cerevisiae显示文摘 | BONOLI M GRAZIOLA M POGGI V | 2006 | Biochem Biophys Res Commun2006，339，4： | 1 |
| 7 | Sirolimus as maintenance treatment in an infant with life-threatening multiresistant pure red cell anemia/autoimmune hemolytic anemia显示文摘 | Miano M Poggi V Banov L | 2014 | J Pediatr Hematol Oncol2014，36，： | 1 |
| 8 | Phosphate adsorption and precipitation in calcareous soils:The role of calcium ions in solution and carbonate min- erals显示文摘 | Tunesi S Poggi V Gessa C | 1999 | Nutrient CyclinginAgroecosystems1999，53，3： | 1 |
| 9 | Idiopathic pulmonary hemosiderosis: a rare cause of iron-deficiency anemia in childhood显示文摘 | Poggi V Lo Vecchio A Menna F | 2011 | J Pediatr Hematol Oncol2011，33，4： | 1 |
| 10 | A homogenization procedure for the numerical analysis of woven fabric composites 显示文摘 | Carvelli V Poggi C | | Composites: Part A0，32，10： | 1 |
| 11 | A homogenization procedure for the numerical analysis of woven fabric composites显示文摘 | Carvelli V Poggi C | 2001 | Composites Part A2001，32，10： | 1 |
| 12 | X-linked adrenal hy- poplasia congenita and hypogonadotropic hypogonadism: re- port on new mutation of the DAX-1 gene in two siblings 显示文摘 | Calvari V Alpigiani MG Poggi E | 2006 | J Endocrinol Inves2006，29，1： | 1 |
| 13 | Influence of Polymer Morphology on Water Treeing显示文摘 | Raharimalala V Poggi Y Filippini J C | 1994 | IEEE Transactions on Dielectrics and Electrical Insulation1994，1，6： | 1 |
| 14 | Idiopathic pulmonary hemosiderosis: a rare cause of iron-deficiency anemia in childhood显示文摘 | Poggi V Lo Vecchio A Menna F | 2011 | J Pediatr Hematol Oncol2011，33，4： | 1 |
| 15 | Phosphate adsorption and precipitation in calcareous soils:the role of calcium ions in solution and carbonate minerals显示文摘 | Tunesi S Poggi V Gessa C | 1999 | Nutrient Cycling in Agroecosystems1999，53，3： | 1 |
| 16 | Idiopathic pulmonary hemosiderosis:a rare cause of iron-deficiency anemia in childhood显示文摘 | Poggi V Lo Vecchio A Menna F | 2011 | J Pediatr Hematol Onco12011，33，4： | 1 |
| 17 | A homogenization procedure for the numerical analysis of woven fabric composites 显示文摘 | Carvelli V Poggi C | 2001 | Composites: Part A2001，32，10： | 1 |
| 18 | Influence of polymer morphology on water treeing显示文摘 | Raharimalala V Poggi Y Filippini J C | 1994 | IEEE Transactions on Dielectrics and Electrical Insulation1994，1，6： | 1 |
| 19 | Foliar application of selenite and selenate to potato显示文摘 | Poggi V Arcioni A Filippini P | 2000 | Journal of Agricultural and Food Chemistry2000，48，10： | 1 |
| 20 | No phenotype associated with established lipopolysaccharide model for cerebral palsy显示文摘 | Poggi S Park J Toso L Einat H Roberson R Dunlap V | 2004 | Am J Obstet Gynecol2004，192，： | 1 |
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