P. Ottanelli
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View article: Study of the in medium cross-section and of the clustering process by means of the Bayesian technique applied to a nuclear reaction at Fermi energy
Study of the in medium cross-section and of the clustering process by means of the Bayesian technique applied to a nuclear reaction at Fermi energy Open
A Bayesian analysis aimed at tuning two parameters of the AMD model, one of them related to the in medium nucleon nucleon cross-section and the other to the clustering, has been performed. Experimental data collected with four blocks of th…
View article: Alpha structure of <sup>16</sup>O at high excitation energy via <sup>3</sup>He + <sup>13</sup>C nuclear reactions
Alpha structure of <sup>16</sup>O at high excitation energy via <sup>3</sup>He + <sup>13</sup>C nuclear reactions Open
These proceedings report a new data analysis aimed to the study of low-spin, high excitation energy states in the spectroscopy of the 16 O nucleus around 24 MeV excitation energy. After a careful spectroscopical analysis, based on the Lege…
View article: FAZIA: A new generation array for nuclear dynamics and EoS experiments at intermediate energies
FAZIA: A new generation array for nuclear dynamics and EoS experiments at intermediate energies Open
Constraining the nuclear equation of state (EoS) parameters makes it possible to better understand the properties of the matter that constitutes our Universe. Many probes can be used to test the EoS, from the observation of neutron star me…
View article: Spherical-oblate shape coexistence in $^{94}$Zr from a model-independent analysis
Spherical-oblate shape coexistence in $^{94}$Zr from a model-independent analysis Open
Low-lying states of $^{94}$Zr were investigated via low-energy multi-step Coulomb excitation. From the measured $γ$-ray yields, 13 reduced transition probabilities between low-spin states were determined, together with the spectroscopic qu…
View article: Study of highly excited states in <sup>16</sup>O with <sup>3</sup>He+<sup>13</sup>C reactions at low energies
Study of highly excited states in <sup>16</sup>O with <sup>3</sup>He+<sup>13</sup>C reactions at low energies Open
We report some preliminary experimental results on 13 C( 3 He, α ) 12 C reactions at low bombarding energies, in the range 1.4 – 2.2 MeV. The reconstruction of kinematic quantities in the final channel was performed by using a high-perform…
View article: Alpha structure of <sup>16</sup>O at high excitation energies by <sup>3</sup>He+<sup>13</sup>C nuclear reactions
Alpha structure of <sup>16</sup>O at high excitation energies by <sup>3</sup>He+<sup>13</sup>C nuclear reactions Open
This work investigates high energy states in the self-conjugate 16 O nucleus, through the analysis of 13 C( 3 He,α) 12 C reactions in the 1.4 2.2 MeV bombarding energy range. The cross-section of the decay channel in which an α particle is…
View article: Nuclear symmetry energy at work in heavy ion reactions: new results from the INDRA-FAZIA apparatus
Nuclear symmetry energy at work in heavy ion reactions: new results from the INDRA-FAZIA apparatus Open
The recently coupled INDRA-FAZIA apparatus offers unique opportunities to investigate heavy ion collisions at Fermi energies by combining the optimal identification capabilities of FAZIA and the large angular coverage of INDRA. We present …
View article: Examination of cluster production in excited light systems at Fermi energies from new experimental data and comparison with transport model calculations
Examination of cluster production in excited light systems at Fermi energies from new experimental data and comparison with transport model calculations Open
Four different reactions, $^{32}$S+$^{12}$C and $^{20}$Ne+$^{12}$C at 25 and\n50 MeV/nucleon, have been measured with the FAZIA detector capable of full\nisotopic identification of most forward emitted reaction products. Fragment\nmultipli…
View article: Enhanced <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>α</mml:mi> </mml:mrow> </mml:math> <i>α</i> -particle production from fusion evaporation reactions leading to <sup>46</sup> Ti
Enhanced <i>α</i> -particle production from fusion evaporation reactions leading to <sup>46</sup> Ti Open
In this paper, we report a detailed study on the de-excitation of the 46 Ti compound nucleus populated by means of four different reactions: 16 O + 30 Si at 7 and 8 AMeV, 18 O + 28 Si at 7 AMeV and 19 F + 27 Al at 7 AMeV. The GARFIELD dete…
View article: Isospin diffusion measurement from the direct detection of a quasiprojectile remnant
Isospin diffusion measurement from the direct detection of a quasiprojectile remnant Open
The neutron-proton (n-p) equilibration process in 48Ca+40Ca at 35 MeV/nucleon bombarding energy is experimentally estimated by means of the isospin transport ratio. Experimental data are collected with a subset of the FAZIA telescope array…
View article: Influence of fast emissions and statistical de-excitation on the isospin transport ratio
Influence of fast emissions and statistical de-excitation on the isospin transport ratio Open
Isospin transport ratio is a powerful method to estimate the neutron-proton (n-p) equilibration in heavy-ion collisions, and extensively used to obtain information on the asy-stiffness of the nuclear equation of state. In fact such a ratio…
View article: Energy response and identification efficiency of CsI(Tl) crystals irradiated with energetic protons
Energy response and identification efficiency of CsI(Tl) crystals irradiated with energetic protons Open
Proton energy calibration and identification efficiency of few Thallium activated Cesium Iodide (CsI(Tl)) crystals of the FAZIA detection system, have been studied in the range 59-180 MeV by using the proton beam delivered by the cyclotron…
View article: FAZIA: a new performing detector for charged particles
FAZIA: a new performing detector for charged particles Open
The FAZIA apparatus is a new detector designed for the Fermi energy domain for charged particles based on three stages telescopes: Silicon detector (300 μm thick), Silicon detector (500 μm thick) and CsI(Tl) (10 cm). Using the ΔE-E techniq…
View article: Charged particle identification using time of flight with FAZIA
Charged particle identification using time of flight with FAZIA Open
This contribution reports on the time of flight implementation in the FAZIA Si-Si-CsI(Tl) telescopes, focusing on the basic ideas of the method and on some results from recent experiments at LNS.
View article: Low-energy Coulomb excitation of <sup>94</sup>Zr
Low-energy Coulomb excitation of <sup>94</sup>Zr Open
Recent state-of-the-art Monte Carlo shell-model calculations predict shape coexistence in Zr isotopes. In this context, the 94Zr nucleus is particularly interesting since some experimental investigations have already suggested the possible…
View article: Time of flight identification with FAZIA
Time of flight identification with FAZIA Open
This contribution reports on the time of flight implementation in the FAZIA Si-Si-CsI(Tl) telescopes, focusing on the basic ideas of the method and on some preliminary results from recent experiments at LNS.
View article: Four <i>α</i>-particles as a final state of <sup>16</sup>O<sup>*</sup> Quasi Projectile decay
Four <i>α</i>-particles as a final state of <sup>16</sup>O<sup>*</sup> Quasi Projectile decay Open
Four α -particles as a final state of 16 O * quasi-projectile decayproduced in peripheral 16 O+ 12 C reactions at 130 MeV is thoroughly studied. The differentdecay channels leading to the four α -particles final state are reconstructed by …
View article: Isospin transport phenomena in semiperipheral heavy ion collisions at Fermi energies
Isospin transport phenomena in semiperipheral heavy ion collisions at Fermi energies Open
The FAZIA collaboration started its physics program in 2015 with a setup consisting of four complete blocks (ISOFAZIA experiment). Results concerning isospin transport phenomena and QP fission for the systems 80Kr + 40,48Ca at 35 MeV/nucle…
View article: Comparative study of four reactions at onset of pre-equilibrium emission
Comparative study of four reactions at onset of pre-equilibrium emission Open
The study of the emitted particles, comparing pre-equilibrium and thermal components, is a useful tool to examine the nuclear structure of emitters. Possible clustering effects, which may change the expected decay chain probability, could …
View article: Lights and (some) shadows in the comparison among experimental data of heavy ion collisionat Fermi energies and the dynamical model AMD
Lights and (some) shadows in the comparison among experimental data of heavy ion collisionat Fermi energies and the dynamical model AMD Open
The simulation of heavy ion collisions in the Fermi energy region is a challenge for the theoretical models; in particular it is difficult to obtain a coherent description in all the impact parameter range and to reproduce all the experime…
View article: Time of flight identification with FAZIA
Time of flight identification with FAZIA Open
International audience
View article: A STUDY ON 4 REACTIONS FORMING<sup>46</sup>Ti*
A STUDY ON 4 REACTIONS FORMING<sup>46</sup>Ti* Open
International audience