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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 | Extracts and constituents of Lavandula multifida with topical anti-inflammatory activity phytomedicine显示文摘 | Sosa S Altinier G Politi M | 2005 | Phytomedicine2005，12，4： | 1 |
| 4 | Near-Infrared Spectroscopic Investigation of Inclusion Complexes Between Cyclodextrinsand Aromatic Compounds 显示文摘 | Politi M J’Tran C D Gao G H | 1995 | J Phys Chem1995，99，14： | 1 |
| 5 | Association of high alpha2-Heremans-Schmid glycoprotein/fetuin concentration in serum and intima-media thickness in patients with atherosclerotic vascular disease and low bone mass显示文摘 | Fiore CE Celotta G Politi GG | 2007 | Atherosclerosis2007，195，1： | 1 |
| 6 | Customer satisfaction measurement in the private bank sector显示文摘 | Mihelis G Grigoroudis E Siskos Y Politis Y Malandrakis Y | 2001 | European Journal of Operational Research2001，2，130： | 1 |
| 7 | Numerical modeling of simulated blood flow in idealized composite arterial coronary grafts: steady state simulations显示文摘 | POLITIS A K STABROPOULOS G P CHRISTOLIS M N | 2007 | Journal of Biomechanics2007，40，5： | 1 |
| 8 | 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 |
| 9 | Aeroelastic stability of wind turbines: the problem, the methods and the issues 显示文摘 | Riziotis V A Voutsinas S G Politis E S | 2004 | Wind Energy2004，7，： | 1 |
| 10 | Factors associated with successful tracheal intubation of children with sevoflurane and no muscle relaxants 显示文摘 | Politis G D Frankland M J James R L | 2002 | Anesth Analg2002，95，3： | 1 |
| 11 | First metatarsal-phalangealO joint arthrodesis: a biomechanical assessment of stability 显示文摘 | Politi J Hayes J Njus G | 2003 | Foot Ankle Int2003，24，4： | 1 |
| 12 | Numerical modeling of simulated blood flow in idealized composite arterial coronary grafts: Steady state simulations显示文摘 | Politis A K Stavropoulos G P Christolis M N | 2007 | Journal of Biomechanies2007，40，： | 1 |
| 13 | Modelling the flow around airfoils equipped with vortex generators using a modified 2D Navier-Stokes solver显示文摘 | G NIKOLAOU E S POLITIS P K CHAVIAROPOULOS | 2005 | Journal of Solar Energy Engineering2005，127，： | 1 |
| 14 | Customer satisfaction measurement in the private bank sector 显示文摘 | Mihelis G Grigoroudis E Siskos Y Politis Y Malandrakis Y | 2001 | European Journal of Operational Research2001，2，130： | 1 |
| 15 | A boundary integral equation method for oblique water- wave scattering by cylinders governed by the modified Helmhohz equation 显示文摘 | Politis C G Papalexandris M V Athanassoulis C A | 2002 | Applied Ocean Research2002，24，4： | 1 |
| 16 | CENP-C binds the alpha-satelliteDNA in vivo at specific centromere domains显示文摘 | Politi V Perini G Trazzi S | 2002 | J Cell Sci2002，115，11： | 1 |
| 17 | Numerical modeling of simulated blood in idealized composite arterial coronary grafts: steady state simulations显示文摘 | Politis A K Stavropoulos G P Christolis M N | 2007 | Journal of Biomechanies2007，40，： | 1 |
| 18 | Structure elucidation and conformational study of V8 :A novel synthetic non peptide AT1 antagonist显示文摘 | Zoumpoulakis P Politi A Grdadolnik S G | 2006 | J Pharm Biomed Anal2006，40，： | 1 |
| 19 | Extracts and constituents of Lavandula multifida with topical anti-inflammatory activity 显示文摘 | Sosa S Altinier G Politi M | 2005 | Phytomedicine2005，12，： | 1 |
| 20 | Effects of long-term administration of octreotide in portal vein-stenosed rats 显示文摘 | DAmico G Politi F DAntoni A | 1996 | Hepatology1996，23，3： | 1 |
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