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Experimental study of precisely selected evaporation chains in the decay of excited Mg
A. Camaiani, G. Casini, L. Morelli +22
The reaction C + C at 95 MeV bombarding energy is studied using the GARFIELD + Ring Counter apparatus located at the INFN Laboratori Nazionali di Legnaro. In this pap…
Charged particle decay of hot and rotating Mo nuclei in fusion-evaporation reactions
S. Valdré, S. Piantelli, G. Casini +48
A study of fusion-evaporation and (partly) fusion-fission channels for the Mo compound nucleus, produced at different excitation energies in the reaction Ti + …
Non-statistical decay and -correlations in the C+C fusion-evaporation reaction at 95 MeV
L. Morelli, G. Baiocco, M. D'Agostino +18
Multiple alpha coincidence and correlations are studied in the reaction C+C at 95 MeV for fusion-evaporation events completely detected in charge. Two specific channe…
Thermal properties of light nuclei from C+C fusion-evaporation reactions
L Morelli, G Baiocco, M D'Agostino +18
The C+C reaction at 95 MeV has been studied through the complete charge identification of its products by means of the GARFIELD+RCo experimental set-up at INFN Labora…
Pre-equilibrium α-particle emission as a probe to study α-clustering in nuclei
O. V. Fotina, S. A. Goncharov, D. O. Eremenko +24
A theoretical approach was developed to describe secondary particle emission in heavy ion collisions, with special regards to pre-equilibrium α-particle production. Griffin's model…
Measurement of light charged particles in the decay channels of medium-mass excited compound nuclei
S. Valdre', S. Barlini, G. Casini +41
The 48Ti on 40Ca reactions have been studied at 300 and 600 MeV focusing on the fusion-evaporation (FE) and fusion-fission (FF) exit channels. Energy spectra and multiplicities of…
α-clustering effects in dissipative 12C+12C reactions at 95 MeV
G. Baiocco, L. Morelli, F. Gulminelli +15
Dissipative 12C+12C reactions at 95 MeV are fully detected in charge with the GARFIELD and RCo apparatuses at LNL. A comparison to a dedicated Hauser-Feshbach calculation allows to…
Correlations between emission timescale of fragments and isospin dynamics in Sn+Ni and Sn+Ni reactions at 35 AMeV
E. De Filippo, A. Pagano, P. Russotto +51
We present a new experimental method to correlate the isotopic composition of intermediate mass fragments (IMF) emitted at mid-rapidity in semi-peripheral collisions with the emiss…
Bimodal pattern in the fragmentation of Au quasi-projectiles
M. Bruno, F. Gulminelli, F. Cannata +3
Signals of bimodality have been investigated in experimental data of quasi-projectile decay produced in Au+Au collisions at 35 AMeV. This same data set was already shown to present…
Isotopic composition of fragments in multifragmentation of very large nuclear systems: effects of the chemical equilibrium
P. M. Milazzo, A. S. Botvina, G. Vannini +9
Studies on the isospin of fragments resulting from the disassembly of highly excited large thermal-like nuclear emitting sources, formed in the ^{197}Au + ^{197}Au reaction at 35 M…
Mass and charge identification of fragments detected with the Chimera Silicon-CsI(Tl) telescopes
N. Le Neindre, for REVERSE collaboration
Mass and charge identification of charged products detected with Silicon-CsI(Tl) telescopes of the Chimera apparatus is presented. An identification function, based on the Bethe-Bl…
On the reliability of negative heat capacity measurements
M. D'Agostino, R. Bougault, F. Gulminelli +9
A global protocol for the thermostatistical analysis of hot nuclear sources is discussed. Within our method of minimization of variances we show that the abnormal kinetic energy fl…
Strong enhancement of extremely energetic proton production in central heavy ion collisions at intermediate energy
P. Sapienza, R. Coniglione, M. Colonna +27
The energetic proton emission has been investigated as a function of the reaction centrality for the system 58Ni + 58Ni at 30A MeV. Extremely energetic protons (EpNN > 130 MeV) wer…
Contemporary presence of dynamical and statistical production of intermediate mass fragments in midperipheral Ni+Ni collisions at 30 MeV/nucleon
P. M. Milazzo, G. Vannini, M. Sisto +25
The reaction at 30 MeV/nucleon has been experimentally investigated at the Superconducting Cyclotron of the INFN Laboratori Nazionali del Sud. In midperipheral co…
Negative heat capacity in the critical region of nuclear fragmentation: an experimental evidence of the liquid-gas phase transition
M. D'Agostino, F. Gulminelli, Ph. Chomaz +12
An experimental indication of negative heat capacity in excited nuclear systems is inferred from the event by event study of energy fluctuations in quasi-projectile sources fo…
Thermodynamical features of multifragmentation in peripheral Au + Au Collisions at 35 A.MeV
M. D'Agostino, A. S. Botvina, M. Bruno +13
The distribution of fragments produced in events involving the multifragmentation of excited sources is studied for peripheral Au + Au reactions at 35 A.MeV. The Quasi-Projectile h…
Critical Behavior in Peripheral Au + Au Collisions at 35 MeV/u
M. Bruno, P. F. Mastinu, M. Belkacem +28
The signals theoretically predicted for the occurrence of a critical behavior (conditional moments of charge distributions, Campi scatter plot, fluctuations of the size of the larg…
Signals of a Critical Behavior in Peripheral Au + Au Collisions at 35 MeV/nucleon
P. F. Mastinu, M. Belkacem, D. R. Bowman +29
Multifragment events resulting from peripheral Au + Au collisions at 35 MeV/nucleon are analysed in terms of critical behavior. The analysis of most of criticality signals proposed…
Statistical Multifragmentation in Central Au+Au Collisions at 35 MeV/u
M. D'Agostino, A. S. Botvina, P. M. Milazzo +32
Multifragment disintegrations, measured for central Au + Au collisions at E/A = 35 MeV, are analyzed with the Statistical Multifragmentation Model. Charge distributions, mean fragm…
Multifragment production in Au+Au at 35 MeV/u
M. D'Agostino, P. F. Mastinu, P. M. Milazzo +31
Multifragment disintegration has been measured with a high efficiency detection system for the reaction at . From the event shape analysis and the comparis…