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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 | Early atherosclerosis in patients with inflammatory bowel disease 显示文摘 | Papa A Danese S Urgesi R | 2006 | Eer Rev Med Pharmacol Sci2006，10，1： | 1 |
| 3 | Early atherosclerosis patients with inflammatory bowel disease显示文摘 | Papa A Danese S Urgesi R | 2006 | Eur Rev Pharmaceol Sci2006，10，： | 1 |
| 4 | Lignin and cellulose degradation and nitrogen dynamics during decomposition of three leaf litter species in a Mediterranean ecosystem 显示文摘 | Fioretto A Di Nardo C Papa S Fuggi A | 2005 | Soil Biol Biochem2005，37，6： | 1 |
| 5 | Total assignment of ^1H and ^13 C-NMR spectra of two isomeric cucurbltane triterpenoids显示文摘 | Monte F J Q Papa S M A Kintzinger J P | 2000 | Magn Reson Chem2000，38，9： | 1 |
| 6 | NF - kappa B- dependent regulation of the timing of activation - induced cell death of T lymphocytes显示文摘 | Mittal A Papa S Franzoso G | 2006 | J Immunol2006，176，4： | 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 | 2005 | Biol Reprod2005，73，4： | 1 |
| 8 | Soil activities related to nitrogen cycle under three plant cover types in Mediterranean environment显示文摘 | Rutigliano FA Castaldi S D'Ascoli R Papa S Carfora A Marzaioli R Fioretto A | 2009 | Applied Soil Ecology2009，43，： | 1 |
| 9 | The transport of pyruvate in rat liver mitochondria显示文摘 | Papa S Francavilla A Paradies G | 1971 | FEBS Lett1971，12，5： | 1 |
| 10 | Gadd45 beta mediates the protective effects of CD40 costimulation against Fas-induced apoptosis显示文摘 | Papa ZF Algeciras-Schimnich S Alvarez A | 2003 | Blood2003，102，： | 1 |
| 11 | Homocysteine triggers mucosal microvaseular activation in inflammatory bowel disease显示文摘 | Danese S Sgambato A Papa A | 2005 | Am J Gastroenterol2005，100，4： | 1 |
| 12 | Lignin and cellu lose degradation and nitrogen dynamics during decomposition of three leaf litter species in a Mediterranean ecosystem显示文摘 | Fioretto A Nardo C Papa S | 2005 | Soil Biology and Biochemistry2005，37，： | 1 |
| 13 | Overexpression of the naturally-occurring bla_(OXA-51) gene in Acinetobacter baumannii mediated by a novel insertion sequence ISAba9显示文摘 | Figueiredo S Poirel L Papa A | 2009 | Antimicrob Agents Chemother2009，29，： | 1 |
| 14 | 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 |
| 15 | Early atherosclerosis in patientswith infiammatory bowel disease显示文摘 | Papa A Danese S Urgesi R | 2006 | Eur Rev Med PharmacolSci2006，10，1： | 1 |
| 16 | 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 |
| 17 | Homocysteine triggers mucosal microvascular activation in inflammatory bowel disease显示文摘 | DANESE S SGAMBATO A PAPA A | 2005 | Am J Gastroenterol2005，100，： | 1 |
| 18 | First identification of VIM-4 metallo-β-lactamase in Acinetobacter spp显示文摘 | Figueiredo S Poirel L Papa A | | 0，，03： | 1 |
| 19 | Epidemiology of aphasia attri--butable to first is chemicstroke incidence,severity,fluency, etiology,and thmmbolysis显示文摘 | Engelter ST Gostynski M Papa S et a/ | 2006 | Stroke2006，37，6： | 1 |
| 20 | Review article:inherited thrombophilia in inflammatory bowel disease显示文摘 | PAPA A DANESE S GRILLO A | 2003 | Am J Gastroenterol2003，98，： | 1 |
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