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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 | Sphingosine 1 phosphate is a key regulator of proliferation and differentia tion in retina photoreceptors显示文摘 | Miranda G E Abrahan C E Politi L E | 2009 | Invest OphthaLmoL Vis Sci2009，50，9： | 1 |
| 3 | Antioxidant principles and volatile constituents from the north-western iberian mint 'erva-peixeira',mentha cervina显示文摘 | Politi M Rodrigues C L Giao M S | | 0，，12： | 1 |
| 4 | A randomised trial of target- vessel versus muhi-vessel revascularization in ST-elevation myocardial infarction: major adverse cardiac events during long- term follow up显示文摘 | Politi L Sgura F Rossi R | 2010 | Heart2010，96，： | 1 |
| 5 | Ocular adnexal lymphoma: diffusion weighted mr imaging for differential diagnosis and therapeutic monitoring 显示文摘 | Politi L S Forghani R C Resti A G | 2010 | Radiology2010，256，2： | 1 |
| 6 | Quality and safety of tresh-frozen plasma inactivated and leucoreduced with the Theraflex methylene blue system including the Blueflex filter:5 yeats' experience显示文摘 | Politis C kavallierou L Hantziara S | 2007 | Transfusion2007，47，2： | 1 |
| 7 | A Monte Carlo code for the simulation of heavy-ion tracks in water 显示文摘 | Champion C L'hoir A Politis M F | 2005 | Radiation Research2005，163，2： | 1 |
| 8 | Repeated occurrence of diverse extended-spectrum beta-lactamases in minor serotypes of food-borne Salmonella enterica subsp, enterica显示文摘 | Politi L Tassios P T Lambiri M | 2005 | J Clin Microbiol2005，43，7： | 1 |
| 9 | A direct screening procedure for diuretics in human urine by liquid chromatography-tandem mass spectrometry with information dependent acquisition显示文摘 | Politi L Morini L Polettini A | 2007 | Clinical Chima Acta2007，386，12： | 1 |
| 10 | Randomized clinical trial on short-time compression with Kaolin-filled pad:a new strategy to avoid early bleeding and subacute radial artery occlusion after percutaneous coronary intervention显示文摘 | Politi L Aprile A Paganelli C | | 0，，01： | 1 |
| 11 | Solitary necrotic nodule of the liver: imaging and correlation with pathologic features显示文摘 | Colagrande S Politi LS Messerini L | 2003 | Abdom Imaging2003，28，1： | 1 |
| 12 | Computation of functions of Hamiltonian and skew-symmetric matrices显示文摘 | DEL BUONN N LOPEZ L POLITI T | 2008 | Math Comput Simul2008，79，： | 1 |
| 13 | Carotid plaque characterisation by IVUS-VH during carotid stenting: the 'eyes wide shut' between plaque morphology and symptoms显示文摘 | Politi L Aprile A RoUini F | 2011 | Minerva Cardioangiol2011，59，6： | 1 |
| 14 | Solitary necrotic noldule of the liver:imaging and correlation with pathologic features显示文摘 | Colagrande S Politi L S Messerini L | 2003 | Abdom Imaging2003，28，1： | 1 |
| 15 | Prosthetic replacement and tangential resection of the superior vena cava in chest tumors 显示文摘 | Politi L Crisci C Montinaro F | 2007 | Cardiovasc Surg (Torino)2007，48，3： | 1 |
| 16 | randomized clini- cal trial on short-time compression with kaolin- filled pad: a new strategy to avoid early bleeding and subacute radial artery occlusion after percutaneous coronary intervention 显示文摘 | Politi L Aprile A Paganelli C | 2011 | J Interv Cardiol2011，24，1： | 1 |
| 17 | A randomised trial of target-ves- sel versus multi-vessel revascularisation in ST-elevation myocardial infarction: major adverse cardiac events during long-term follow-up 显示文摘 | Politi L Sgura F Rossi R | 2010 | Heart2010，96，9： | 1 |
| 18 | Rumen-protected choline administration to transition cows:effects on milk production and vitamin E status显示文摘 | PINOTTI L BALDI A POLITIS I | 2003 | Journal of Veterinarian Medicine2003，50，1： | 1 |
| 19 | Rumen protected choline ad-ministration to transition cows:effects on milk production and v-itamin E status显示文摘 | Pinotti L Baldi A Politis I | 2003 | J Vet Med2003，50，： | 1 |
| 20 | Crystallization and X-ray diffraction measurements of a thermophilic archaeal recombinant amidase from Sulfolobus solfataricus MT4显示文摘 | Nastopoulos V Vallone B Politi L | 2001 | Acta Crystallogr D Biol Crystallogr2001，57，7： | 1 |
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