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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 | A comparison of the varia- ble antigens expressed by clone IV-1 and subgroup Ⅲ of Neisseria meningitidis serogroup A 显示文摘 | Achtman M Kusecek B Morelli G | 1992 | J Infect Dis1992，165，1： | 1 |
| 3 | Axitinib induces DNA damage response leading to senescence, mitotic catastro- phe, and increased NK cell recognition in human renal carci- noma cells显示文摘 | Morelli M B Amantini C Santoni M | 2015 | Oncotarget2015，6，36： | 1 |
| 4 | Follicular fluid hormonal profile and cumulus cell gene expression in controlled ovarian hyperstimulation with recombinant FSH:effects of recombinant LH administration显示文摘 | Barberi M Ermini B Morelli MB | 2012 | J Assist Reprod Genet2012，29，12： | 1 |
| 5 | Follicular fluid hormonal profile and cumulus cell gene expression in controlled ovarian hyper- stimulation with recombinant FSH : effects of recombinant LH admin- istration 显示文摘 | Barberi M Ermini B Morelli MB | 2012 | J Assist Reprod Genet2012，29，12： | 1 |
| 6 | Thigh muscle atro-phy in below-knee amputees显示文摘 | Renstrm P Grimby G Morelli B | 1983 | Scand J Rehabil MedSuppl1983，9，： | 1 |
| 7 | Expression localization and functional activity of pituitary adenylate cyclase - activating polypeptide, vasoactive intestinal polypeptide and their receptors in mouse ovary显示文摘 | Barbed M Muciaccia B Morelli MB | 2007 | Reproduction2007，134，2： | 1 |
| 8 | Expression localisation and functional activity of pituitary adenylate cyclaseactivating polypeptide, vasoactive intestinal polypeptide and their receptors in mouse ovary显示文摘 | Barbefi M Muciaccia B Morelli M B etal | 2007 | Reprodction2007，134，2： | 1 |
| 9 | Atorvastatin but not elocaleitol increases sildenafil responsiveness in spontaneously hypertensive rats by regulating the RhoA/ROCK pathway显示文摘 | Fibbi B Morelli A Marini M | 2008 | J Androl2008，29，1： | 1 |
| 10 | Emcacy of embryo transfer in lactating dairy cows during summer using fresh or vitrified embryos produced in vitro with sex -sorted semen 显示文摘 | STEWART B M BLOCK J MORELLI P | 2011 | J Dairy Sci2011，94，7： | 1 |
| 11 | Axitinib induces DNA damage response leading to senescence,mitotic catastrophe,and increased NK cell recognition in human renal carcinoma cells显示文摘 | MORELLI M B AMANTINI C SANTONI M | 2015 | Oncotarget2015，6，36： | 1 |
| 12 | Clonal descent and microevolution of Neisseria meningitidis during 30 years of epidemic spread显示文摘 | Morelli G Malorny B Müller K | 1997 | Mol Microbiol1997，2，6： | 1 |
| 13 | Positron emission tomography for the early postsurgical evaluation of pediatric brain tumors显示文摘 | Pirotte B Levivier M Morelli D | 2005 | Childs Nerv Syst2005，21，4： | 1 |
| 14 | Adrenosine-dopamine receptor-receptor interaction as an integrative mechanism显示文摘 | Ferrē S Fredhelm B B Morelli M | 2000 | TINS2000，20，10： | 1 |
| 15 | Effects of the inoculant strain Sphingomonas paucimobilis 20006FA on soil bacterial community and biodegradation in phenanthrene-contaminated soil 显示文摘 | Coppotelli B Ibarrolaza A Del Panno M Morelli I | 2008 | Microb Ecol2008，55，2： | 1 |
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