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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 | Complex atlantoaxial fractures显示文摘 | Guiot B Fessler RG | 1999 | J Neurosurg1999，91，2： | 1 |
| 4 | Complex atlantoaxial fractures显示文摘 | Guiot B Fessler RG | | 0，，： | 1 |
| 5 | Complex atlantoaxial fractures 显示文摘 | Guiot B Fessler RG | 1999 | J Neurosurg1999，91，2： | 1 |
| 6 | Aminimally in- vasive technique for decompression of the lumbar spine 显示文摘 | GUIOT B H KHOO L T FESSLER R G | 2002 | Spine2002，27，4： | 1 |
| 7 | Comparison of air and hydrogen peroxide oxygenated microbial fuel cell reactors显示文摘 | TARTAKOVSKY B GUIOT S R A | 2006 | Biotechnol Prog2006，22，1： | 1 |
| 8 | Compelx atlantoaxail fractures显示文摘 | GUIOT B FESSLER R G | 1999 | J Neurosurgey1999，21，： | 1 |
| 9 | Influence of Synthetic and Natural Polymers on the Anaerobic Granultion Process 显示文摘 | El-Mamouni R Leduc R Guiot S B | 1998 | Water Sci Tech1998，38，89： | 1 |
| 10 | Modifications of the transoral approach to the craniovertebral junction: anatomicstudy and clinical correlations显示文摘 | Youssef AS Guiot B Black K | 2008 | Neurosurgery2008，62，： | 1 |
| 11 | The effect of re- al-time external resistance optimization on microbial fuel cell performance显示文摘 | Pinto R P Srinivasan B Guiot S R | 2011 | Water Research2011，45，4： | 1 |
| 12 | Enhanced dechlorination of Aroclor 1242 in an anaerobic continuous bioreactor 显示文摘 | Tartakovsky B Hawari J Guiot S R | 2000 | Water Research2000，34，： | 1 |
| 13 | Laparoscopic approach in acutesmall bowel obstruction显示文摘 | Navez B Arimont JM Guiot P | 1998 | Hepatogastroenterology1998，45，24： | 1 |
| 14 | Design of a multi model observer - based estimator for anaerobic reactor monitoring 显示文摘 | E Morel B Tartakovsky S R Guiot | 2006 | Computers and Chemical Engineering2006，，31： | 1 |
| 15 | 显示文摘 | Guiot J Ameduri B Boutevin B | 2003 | Fluorine Chemistry2003，39，5： | 1 |
| 16 | Complex atlantoaxial fractures 显示文摘 | Guiot B Fessler RG | 1999 | J Neurosurg1999，91，2： | 1 |
| 17 | Unexpected a|temat- ing copolymerization of vinylidene fluoride incorporating methyl trifluoroacrylate显示文摘 | Souzy R Guiot J Ameduri B | 2003 | Macromolecules2003，36，25： | 1 |
| 18 | Ossification of the posterior longitudinal ligament:an update on its biology,epidemiology and natural history显示文摘 | Inamasu J Guiot B H Sachs D C | 2006 | Neurosurgery2006，58，6： | 1 |
| 19 | Laparoscopic anterior lumbar inter- body fu sion: a review of outcome studies显示文摘 | INAMASU J GUIOT B H | 2005 | Minim Invasive Neurosurg2005，48，6： | 1 |
| 20 | The effect of real-time external resistance optimization on microbial fuel cell performance显示文摘 | Pinto R P Srinivasan B Guiot SR | 2011 | Water Res2011，45，4： | 1 |
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