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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 | Amniotic fluid index versus largest vertical pocket in the prediction of perinatal outcome in post-term pregnancies显示文摘 | Verrotti C Bedocchi L Piantelli G | 2004 | Acta Biomed2004，75，1： | 1 |
| 3 | Doppler velocimetry and non stress test in severe fetal growth restriction 显示文摘 | GRAMELLINI D PIANTELLI G VERROTTI C | 2001 | Clin Exp Obstet Gynecol2001，28，1： | 1 |
| 4 | Quercetin and tamoxifen sensitize humanmelanoma cells to hyperthermia 显示文摘 | Piantelli M Tatone D Castrilli G | 2001 | Melanoma Res2001，11，5： | 1 |
| 5 | Quercetin and Tamoxifen sensitize human Melanoma cells to hypertheramia 显示文摘 | Piantelli M Tatone D Castrilli G | 2001 | Melanoma Res2001，11，5： | 1 |
| 6 | Amnioinfusion in the management of oligohydramnios 显示文摘 | Gramellini D Piantelli G Delle CL | 1998 | J Perinat Med1998，26，4： | 1 |
| 7 | Early complications of prenatal invasive diagnostics : perspective analysis 显示文摘 | Cavallotti D Casilla G Piantelli G | 2004 | Acta Biomed Ateneo Parmense2004，751，： | 1 |
| 8 | Early complications of prenatal invasive diagnostics :perspective analysis显示文摘 | Cavallotti D Casilla G Piantelli G | 2004 | Acta Biomed Ateneo Parmense2004，751，： | 1 |
| 9 | Early complications of prenatal invasive diagnostics: perspective analysis显示文摘 | Cavallotti D Casilla G Piantelli G | 2004 | Aeta Biomed Ateneo Parmense2004，751，： | 1 |
| 10 | Early complications of prenatal invasive diagnostics: perspective analysis显示文摘 | CAVALLOTTI D CASILLA G PIANTELLI G | 2004 | Acta Biomed Ateneo Parmense2004，751，： | 1 |
| 11 | Early complications of prenatal invasive diagnostics: perspective analysis 显示文摘 | Cavallotti D Casilla G Piantelli G | 2004 | Acta Biomed Ateneo Parmense2004，751，： | 1 |
| 12 | Amnioinfusion in the management of oligohydrarnnios显示文摘 | Gramellini D Piantelli G Delle CL | 2009 | J Perinat Med2009，76，4： | 1 |
| 13 | Twin -twin transfusion syndrome: a review of treatment option 显示文摘 | FIENI S GRAMELLINI D PIANTELLI G | 2004 | Acta Biome2004，75，1： | 1 |
| 14 | Amnioinfusion: techniques, indications and controlled retrospective study of 55 cases 显示文摘 | Gramellini D Fieni S Piantelli G | 2000 | Acta Biomed Ateneo Parmense2000，71，1： | 1 |
| 15 | Early complications of prenatal invasive diagnostics :perspective analysis显示文摘 | Cavallotti D Casilla G Piantelli G | 2004 | Acta Biomed Ateneo Parmense2004，751，： | 1 |
| 16 | Early complications of prena- tal invasive diagnostics : perspectiveanalysis 显示文摘 | Cavallotti D Casilla G Piantelli G | 2004 | Acta Biomed Ateneo Parmense2004，751，： | 1 |
| 17 | Early complications of prenatal invasive diagnostics :perspective analysis显示文摘 | Cavallotti D Casilla G Piantelli G | 2004 | Acta Biomed Ateneo Parmeuse2004，751，： | 1 |
| 18 | Amnioinfusion in the management of oligohydramnios显示文摘 | Gramellini D Piantelli G Delle CL | 1998 | Perinat Med1998，76，4： | 1 |
| 19 | Preoperative transvaginal ultrasonography and intraoperative gross examination for assessing myometrial invasion by endometrial cancer 显示文摘 | Berretta R Merisio C Piantelli G | 2008 | J Ultrasound Med2008，27，3： | 1 |
| 20 | Earl), complications of prenatal invasive diagnostics: perspective analysis 显示文摘 | Cavallotti D Casilla G Piantelli G | 2004 | Acta Biomed Ateneo Parmense2004，7511，： | 1 |
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