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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 | Ultrasound-assisted extraction coupled with under vacuum distillation of flavour compounds from spearmint (carvone-rich) plants: Comparison with conventional hydrodistillation 显示文摘 | Porto C D Decorti D | 2009 | Ultrasonics sonochemistry2009，16，6： | 1 |
| 3 | 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 |
| 4 | Diagnosis and treatment of prostatic abscess显示文摘 | Oliveira P Andrade J A Porto H C | 2003 | Int Braz J Urol2003，29，1： | 1 |
| 5 | 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 |
| 6 | Angiographic as- sessment of microvascular perfusion-myocardial blush in clinical practice显示文摘 | Porto I Hamilton Craig C Brancati M | 2010 | Am Heart J2010，160，6： | 1 |
| 7 | Botulinum toxin type A for aging face and aesthetic uses 显示文摘 | Hexsel C Hexsel D Porto MD | 2011 | Dermatol Ther2011，24，1： | 1 |
| 8 | Finding Approximate Palindromes in Strings 显示文摘 | Porto A H L Barbosa V C | 2002 | Pattern Recognition2002，35，11： | 1 |
| 9 | Static and dynamic processor scheduling disciplines in heterogeneous parallel architectures显示文摘 | Menasce D A Saha D Porto S C D S | 1995 | Journal of Parallel and Distributed Computing1995，28，： | 1 |
| 10 | The al- kaloid brachycerine is induced by ultraviolet radiation and is a singlet oxygen quencher 显示文摘 | Gregianini T S Da Silveiral V C Porto D D | 2003 | Photochem Photobiol2003，78，5： | 1 |
| 11 | Lipoprotein lipase gene polymorphisms:associations with hypertriglyceridemia and body mass index in obese people显示文摘 | Jemaa R Tuzet S Portos C | 1995 | Int J Obes Relat Metab Disord1995，19，： | 1 |
| 12 | Raman effect in zinc oxide显示文摘 | Damen T C Porto S P S Tell B | 1966 | Phys Rev1966，142，2： | 1 |
| 13 | Comparative analysis between the alveolar recruitment maneuver and breath stacking technique in pa- tients with acute lung injury 显示文摘 | Porto EF Tavolaro KC Kumpel C | 2014 | Rev Bras Ter Intensiva2014，26，2： | 1 |
| 14 | 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 |
| 15 | Raman effect in zinc oxide显示文摘 | Damen T C Porto S P Tell B | 1966 | Phys Rev1966，142，： | 1 |
| 16 | Mechanical forces induce scar remodeling : study in non-pressure-treated versus pressure-treated hypertrophic scars显示文摘 | Costa A M Peyrol S Porto L C | 1999 | Am J Pathol1999，155，5： | 1 |
| 17 | Synthesis,surf ace-active properties,and antimicrobial activities of new neutral and cationic trimeric surfactants显示文摘 | MURGUIA M C CRISTALDI M D PORTO A | | 0，，01： | 1 |
| 18 | Experimental Behaviour of Reinforced Concrete Elements Repaired with Polymer-modified Cementicious Mortar显示文摘 | PELLEGRINO C DA PORTO F MODENA C | | 0，，02： | 1 |
| 19 | Assessment of daily intake of trace elements due to consumption of foodstuffs by adult inhabitants of Rio de Janeiro city显示文摘 | Santos E E Lauria D C Porto da Silveira C L | 2004 | Science of the Total Environment2004，327，13： | 1 |
| 20 | The thermal lens effect as a power-limiting device 显示文摘 | Leite R C C Porto S P S Damen T C | 1967 | J Appl Phys Left1967，，1： | 1 |
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