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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 | Induction of gadd45beta by NF-kappaB downregulates pro-apoptotic JNK signalling 显示文摘 | De Smaele E Zazzeroni F Papa S | 2001 | Nature2001，414，： | 1 |
| 3 | Prognostic influence of increased C reactive protein and fibrinogen levels in ischemie stroke 显示文摘 | Napoli M Papa F Bocolav | 2001 | Stroke2001，32，： | 1 |
| 4 | Postoperative enteral versus parenteral nutrition 显示文摘 | Pacelli F Bossola M Papa V L | 2002 | Lancet2002，359，9318： | 1 |
| 5 | C-reactive protein in ischemic stroke: an independent prognostic factor 显示文摘 | Di Napeli M Papa F Bocola V | 2001 | Stroke2001，32，4： | 1 |
| 6 | In vivo confocal microsco- py of the human cornea显示文摘 | Jalbert I Stapleton F Papas E | 2003 | Br Jophthalmol2003，87，： | 1 |
| 7 | Homocysteinemia is inversely correlated with platelet count and directly correlated with sE-and sP-selectin levels in females homozygous for C677T methylenetetrahydrofolate reductase显示文摘 | Rongioletti M Baldassini M Papa F | 2005 | Platelets2005，16，34： | 1 |
| 8 | Induction of double ovulation in mares using deslorelin acetate显示文摘 | NAGAO J F NEVES NETO J R PAPA F O | 2012 | Anim Reprod Sci2012，136，12： | 1 |
| 9 | Total assignment of ^1H and ^13 C-NMR spectra of two isomeric cucurbltane triterpenoids显示文摘 | Monte F J Q Papa S M A Kintzinger J P | 2000 | Magn Reson Chem2000，38，9： | 1 |
| 10 | C-reactive protein in is chemic stroke an independent prognostic factot显示文摘 | Di Napoli M Papa F Bocola V | 2001 | Stroke2001，32，： | 1 |
| 11 | Mechanisms of liver disease:the crosstalk between the NF-κB and JNK pathways显示文摘 | PAPA S BUBICI C ZAZZERONI F | 2009 | Biol Chem2009，390，10： | 1 |
| 12 | Angiotensin converting enzyme inhibitor use is associated with reduced plasma concentration of C - reactive pro- tein in patients with first ever ischemic stroke显示文摘 | Dinapoli M Papa F | 2003 | Stroke2003，34，16： | 1 |
| 13 | Gadd45 beta mediates the NF kappa B suppression of JNK signalling by targeting MKK7/JNKK2 显示文摘 | Papa S Zazzeroni F Bubici C | 2004 | Nat Cell Biol2004，6，： | 1 |
| 14 | Association of elevated levels of prothrombin fragment 1+2 and Arg506 to Gln mutation in patients with a history of ischemic stroke显示文摘 | Papa ML Ammendola F | 1999 | J Neurosurg Sci1999，43，： | 1 |
| 15 | Gastrointestinal stromaltumours: abroad spectrum of clinical presentations显示文摘 | Pacelli F Rosa F Papa | 2007 | Chir Ital2007，59，6： | 1 |
| 16 | Hyperhomocystein enhances vascular inflammation and accelerates atherosclerosis in a murine model 显示文摘 | Hofmann MA Papa F Bocola V | 2001 | J Clin Invest2001，107，： | 1 |
| 17 | Can lung ultrasound replace chest ra-diography for the diagnosisof pneumonia in hospitalized children? 显示文摘 | Reali F Sferrazza Papa GF Carlucci P | 2014 | Respiration2014，88，2： | 1 |
| 18 | Enterovirus meningitis in Greece from 2003-2005: diagnosis, CSF laboratory findings, and clinical manifestations 显示文摘 | Dumaidi K Frantzidou F Papa A | 2006 | J Clin Lab Anal2006，20，5： | 1 |
| 19 | C-reactive protein in ischemic stroke:an independent prognostic factor显示文摘 | Dinapoli M Papa F Bocola V | 2001 | Stroke2001，32，4： | 1 |
| 20 | Clinical use of C - reactive protein for prog nostic stratification in ischemic stroke: Has the time come for in cluding it in the patient risk profile显示文摘 | Di Napoli M Papa F | 2003 | Stroke2003，34，37： | 1 |
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