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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 | Atmospheric input of inorganic nitrogen to the wastem Mediterranean 显示文摘 | Loye-Pilot M D Martin J M Morelli J | 1990 | Biogeochemistry1990，9，： | 1 |
| 3 | Antimicrobial triterpenoids from Licania heteromorpha显示文摘 | Braca A Morelli I Mendez J | 2001 | Planta Medica2001，66，8： | 1 |
| 4 | Internalization of circulating apoptotic cells by splenic marginal zone dendritic cells:dependence on comple- ment receptors and effect on cytokine production显示文摘 | Morelli AE Larregina AT Shufesky W J | 2003 | Blood2003，101，2： | 1 |
| 5 | Impact of time- resolved MRA on diagnostic accuracy in patients with symptomat- ic peripheral artery disease of the calf station显示文摘 | Hansmann J Michaely H J Morelli J N | 2013 | AJR2013，201，6： | 1 |
| 6 | 显示文摘 | May J E Souza C A C Morelli C L | | Mater Lett0，02，： | 1 |
| 7 | Melanocyte destruction and repopulation in vitiligo显示文摘 | NORRIS D A HORIKAWA T MORELLI J G | 1994 | Pigment Cell Research1994，7，4： | 1 |
| 8 | Maximum-likelihood synchronization and channel estimation for OFDMA uplink transmissions显示文摘 | Pun M O Morelli M Kuo C C J | 2006 | IEEE Transactions on Communications2006，54，4： | 1 |
| 9 | Pricing financial derivatives with neural network显示文摘 | Morelli M J | 2004 | Physica A: Statistical Mechanics and Its Applications2004，338，4： | 1 |
| 10 | Measuring spike train synchrony显示文摘 | Kreuz T Haas J S Morelli A Politi | 2007 | Neurosci Meth2007，165，： | 1 |
| 11 | Constituents of Alchomea triplinervia(Euphorbiaceae)显示文摘 | Braca A Mendez J Menichini F Morelli I | 2002 | Biochemical Systematics and Ecology2002，30，11： | 1 |
| 12 | Clinical evaluation of single-shot and readout-segmented diffusion weighted imaging in stroke patients at 3T显示文摘 | Morelli J Porter D Ai Fei | | 0，，3： | 1 |
| 13 | Synchronization techniques for orthogonal frequency division multiple access(OFDMA) : A tutorial review 显示文摘 | Morelli M Kuo C C J Pun M O | 2007 | Proceeding of the IEEE2007，95，7： | 1 |
| 14 | Synthesis and characterization of red mud and rice husk ash - based geopolymercomposites显示文摘 | RIBEIRO D V LABRINCHA J A MORELLI M R | 2012 | Cement and Concrete Research2012，42，1： | 1 |
| 15 | 显示文摘 | Heremans J P Thrush C M Morelli D T | 2003 | Phys Rev Lett2003，91，07： | 1 |
| 16 | Maximum-Likelihood synchronization and channel estimation for OFDMA uplink transmissions显示文摘 | MAN-ON PUN MORELLI M KUO C C J | 2006 | Communications IEEE Transactios2006，54，4： | 1 |
| 17 | Endoscopic treatment of post-liver transplantation biliary leaks with stent placement across the leak site显示文摘 | Morelli J Mulcahy HE Willner IR | 2001 | Gastrointest Endosc2001，54，4： | 1 |
| 18 | Lowtemperature transport properties of p-type CoSb3 显示文摘 | Morelli D T Caillat T Flourial J P | 1995 | PhysRevB1995，51，15： | 1 |
| 19 | The Thermal Oxidative Degradation of an Ethylene-tetrafluoroethylene-co- polymer-based Electrical Wire Insulation显示文摘 | Morelli J J Fry C G Grayson M A | 1991 | Journal of Ap- plied Polymer Science1991，43，： | 1 |
| 20 | Influence of Saharan dust on the rain acidity and atmospheric input to the Mediterranean 显示文摘 | Lo Y- pilot M D Martin J M Morelli J | 1986 | Nature1986，321，： | 1 |
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