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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 | Red blood cells promote survival and cell cycle progression of human peripheral blood T cells independently of CD58/LFA-3 and heme compounds显示文摘 | Fonseca A M Pereira C F Porto G | 2003 | Cellular Immunology2003，224，1： | 1 |
| 3 | Anode and cathode materials characterization for a microbial fuel cell in half cell configuration 显示文摘 | PANT D VAN BOGAERT G PORTO CARRERO C | 2011 | Water Sci Technol2011，63，10： | 1 |
| 4 | Nickel induces oxidative burst, NF-kB activation and interleukin-8 production in human neutrophils显示文摘 | Freitas M Gomes A Porto G | 2010 | J Biol Inorg Chem2010，15，8： | 1 |
| 5 | Clinical features of the met- abolic syndrome in adolescents:Minor role of the Trp64Arg adren- ergic receptor gene variant显示文摘 | Porto PI Garcia SI Dieuzeide G | 2004 | Pediatr Res2004，55，： | 1 |
| 6 | Management of NSAID-induced gastrointestinal toxicity:focus on proton pump inhibitors显示文摘 | Lazzaroni M Porto G B | 2009 | Drugs2009，69，1： | 1 |
| 7 | Studies of graded cemented carbides eomponents显示文摘 | Rosso M Porto G Geminiani A | 1999 | Intemational Journal of Refractory Metals & Hard Materials1999，17，13： | 1 |
| 8 | Liquid - liquid extraction of proteases from fermented broth by PEG/citrate aqueous two-phase system 显示文摘 | Porto T S Silva G M M Porto C S Cavalcanti M T H Neto B B Lima F J L Converti A Porto A L F Pessoa J A | 2008 | Chemical Engineering and Processing2008，47，4： | 1 |
| 9 | Red blood cells in-hibit activation-induced cell death and oxidative stress in hu-man peripheral blood T lymphocytes 显示文摘 | Fonseca AM Porto G Uchida K | 2001 | Blood2001，97，10： | 1 |
| 10 | Studies of graded cemented carbides components显示文摘 | Rosso M Porto G Geminiani A | 1999 | International Journal of Refractory Metals & Hard Materials1999，17，13： | 1 |
| 11 | Identification of novel immunoregulatory molecules in human thymic regulatory CD4 +CD25 + T cells by phage display显示文摘 | Porto G Giordano RJ Marti LC | 2011 | PLoS One2011，6，21： | 1 |
| 12 | Plant promoters: an approach of structure and function 显示文摘 | Porto M S Pinheiro M P Batista V G | 2014 | Molecular Biotechnology2014，56，1： | 1 |
| 13 | 显示文摘 | Rosso M Porto G Geminani A | 1999 | International Journal of Refractory Metals & Hard Materials1999，17，1： | 1 |
| 14 | Identification of novel immunoregulatory molecules in human thymic regulatory CD4+CD25+ T cells by phage display显示文摘 | Porto G Giordano RJ Marli LC | 2011 | PloS One2011，，21： | 1 |
| 15 | Abudance analysis of barium and mild barium stars显示文摘 | SMILJANIC R PORTO G F SILVA L | 2007 | Astronomy and Astrophysics2007，486，2： | 1 |
| 16 | Red blood cells promote survival and cell cycle progression of human peripheral blood T cells independently of CD58/LFA-3 and heme compounds 显示文摘 | Fonseca AM Pereira CF Porto G | 2003 | Cell Immunol2003，224，1： | 1 |
| 17 | Thyrotropin-releasing hormone receptor(TRHR)gene is associated with essential hypertension 显示文摘 | Garcia SI Porto PI Dieuzeide G | 2001 | Hypertension2001，38，32： | 1 |
| 18 | Cipura paludosa attenuates long-term behavioral deficitsin rats exposed to methylmercury during earlydevelopment显示文摘 | LUCENA G M PORTO F A CAMPOS E G | 2010 | Ecotoxicol Environ Saf2010，73，6： | 1 |
| 19 | Studies of graded cemented carbidescomponents显示文摘 | Rosso M Porto G Geminiani A | 1999 | Int J Ref Hard Mater1999，17，13： | 1 |
| 20 | Patterns of nucleotide change in mitochondrial ribosomal RNA genes and the phylogeny of piranhas显示文摘 | Orti G Petry P Porto J I R | 1996 | J Mol Evol1996，42，1： | 1 |
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