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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 | East Asian Monsoon and paleoclimatic data analysis: a vegetation point of view显示文摘 | Guiot J Wu H B Jiang W Y | 2008 | Clim Past2008，4，： | 1 |
| 3 | Intracranial endoscopic explorations 显示文摘 | Rougerie J Fourestier M | 1963 | Presse Med1963，71，： | 1 |
| 4 | One nouvelle technique endoscopique explorations endoscopiques in transcraniennes显示文摘 | Guiot G Rougerie J Fourestiel A | 1963 | Lapress Medicale1963，71，： | 1 |
| 5 | Singlestage anaerobic/aerobic biotreatment of resin acid-containing wastewater 显示文摘 | Guiot S R Stephenson R J Frigon J C | 1998 | Water Sci Technol1998，38，4： | 1 |
| 6 | Focal and diffuse forms of congenital hyperinsulinism:the keys for differential diagnosis显示文摘 | Sempoux C Guiot Y Jaubert F Rahier J | 2004 | Endocr Pathol2004，15，3： | 1 |
| 7 | Ossification of the posterior longitudinal ligament:an update on its biology,epidemiology,and natural history显示文摘 | Inamasu J Guiot BH Sachs DC | 2006 | Neurosurgery2006，58，6： | 1 |
| 8 | Intracranial endoscopic explorations显示文摘 | Guiot J Rougerie J Fourestier M | 1963 | Presse Med1963，71，： | 1 |
| 9 | A Review of Factors Predictive of Surgical Outcome for Ossification of the Ligamentum Flavum of the Thoracic Spine显示文摘 | Inamasu J Guiot BH | 2006 | J Neurosurg Spine(S1547- 5654)2006，5，2： | 1 |
| 10 | A structured model of the anaerobic granule consortium 显示文摘 | GUIOT S R PAUSS A COSTERTON J W | 1991 | Water Science Technology1991，21，1： | 1 |
| 11 | Ossification of the posterior longitudinal ligament:an update on its biology,epidemiology,and natural history显示文摘 | Inamasu J Guiot BH Sachs DC | 2006 | Neurosurgery2006，58，6： | 1 |
| 12 | A review of factors predictive of surigcla outcome for ossification of the ligmaentuml favum of the thoracic spine显示文摘 | Inamasu J Guiot BH | 2006 | J Neurosurg Spine2006，5，2： | 1 |
| 13 | Vascular injury and complication in neurosurgical spine surgery显示文摘 | Inamasu J Guiot BH | 2006 | Acta Neurochir (Wien)2006，148，4： | 1 |
| 14 | Reconstruction of Holocene precipitation patterns in Europe using pollen and lake-level data 显示文摘 | Guiot J Harrison S P Prentice I C | 1993 | Quaternary Research1993，40，2： | 1 |
| 15 | A surtetuerd model of the anae-robic granule consortium显示文摘 | GUIOT S R PAUSS A COSTERTON J W | 1992 | Water Sci Tech1992，25，： | 1 |
| 16 | Ossification of the posterior longitudinal ligament : an update on its biology, epidemiology, and natural history显示文摘 | Inamasu J Guiot BH Sachs DC | 2006 | Neurosurgery2006，58，6： | 1 |
| 17 | Factors predictive of surgical outcome for ossifi- cation of the posterior longitudinal ligament of the cervical spine显示文摘 | Inamasu J Guiot BH | 2009 | J Neurosurg Sci2009，53，3： | 1 |
| 18 | Temporal and Spatial Variations of Terrestrial Biomes and Carbon StorageSince 13 000 yr BP in Europe : Reconstruction from Pollen Data and Statistical Models 显示文摘 | PENG C H GUIOT J VAN CAMPO E | 1995 | Water Air and Soil Pollution1995，82，： | 1 |
| 19 | Ossification of the posterior longitudinal ligament:an update on its biology,epidemiology,and natural history显示文摘 | Inamasu J Guiot BH Sachs DC | 2006 | Neurosurgery2006，58，6： | 1 |
| 20 | One nouvelle technique endoscopique explorations endoscopiques in transcraniennes显示文摘 | Guiot G Rongeie J Fourestiel A | 1963 | La press Medicale1963，71，： | 1 |
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