M. Boromiza
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View article: New measurement of $^{50}$Cr and $^{53}$Cr (n,$γ$) cross sections at n_TOF: a call for chromium nuclear data revision
New measurement of $^{50}$Cr and $^{53}$Cr (n,$γ$) cross sections at n_TOF: a call for chromium nuclear data revision Open
$^{50}$Cr and $^{53}$Cr are very relevant in criticality safety benchmarks related to nuclear reactors. The discrepancies of up to 30% between the neutron capture cross section evaluations have an important effect on the $k_{eff}$ and $k_{…
View article: Study of Shape Coexistence in Sn Isotopes via Multinucleon Transfer Reactions
Study of Shape Coexistence in Sn Isotopes via Multinucleon Transfer Reactions Open
Multinucleon transfer reactions were employed in a series of experiments at Legnaro National Laboratories of INFN and at the Tandem Laboratory of the Horia Hulubei National Institute in Bucharest. The main aim was to investigate the shape …
View article: Search for Extra Yield in Hot Ni Isotopes Below the Giant Dipole Resonance
Search for Extra Yield in Hot Ni Isotopes Below the Giant Dipole Resonance Open
The high-energy \(\gamma \) rays from the Giant Dipole Resonance (GDR) decay of \(^{56,60,62}\mathrm {Ni}^{*}\) nuclei at finite temperature between approximately 1.5 and 2 MeV, produced in the \(^{32,34,36}\mathrm {S}+{^{24,26}\mathrm {Mg…
View article: Lifetime measurements in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Mo</mml:mi><mml:mprescripts/><mml:none/><mml:mn>102</mml:mn></mml:mmultiscripts></mml:math> interpreted in the interacting boson model and the X(5) symmetry
Lifetime measurements in interpreted in the interacting boson model and the X(5) symmetry Open
Lifetimes of low-lying excited states in Mo102 populated in the two-neutron transfer reaction Mo100(O18,O16)Mo102 were measured using the recoil distance Doppler shift method at the IFIN-HH Tandem accelerator. Lifetimes of the 21+, 02+, 41…
View article: Neutron capture measurements for s-process nucleosynthesis; A review about CERN n_TOF developments and contributions
Neutron capture measurements for s-process nucleosynthesis; A review about CERN n_TOF developments and contributions Open
This article presents a review about the main CERN n\_TOF contributions to the field of neutron-capture experiments of interest for $s$-process nucleosynthesis studies over the last 25 years, with special focus on the measurement of radioa…
View article: Recent highlights and prospects on (n,<i>γ</i>) measurements at the CERN n_TOF facility
Recent highlights and prospects on (n,<i>γ</i>) measurements at the CERN n_TOF facility Open
Neutron capture cross-section measurements are fundamental in the study of the slow neutron capture (s-) process of nucleosynthesis and for the development of innovative nuclear technologies. One of the best suited methods to measure radia…
View article: Towards a new generation of solid total-energy detectors for neutron-capture time-of-flight experiments with intense neutron beams
Towards a new generation of solid total-energy detectors for neutron-capture time-of-flight experiments with intense neutron beams Open
Challenging neutron-capture cross-section measurements of small cross sections and samples with a very limited number of atoms require high-flux time-of-flight facilities. In turn, such facilities need innovative detection setups that are …
View article: 238U(n,2ng) and (n,3ng) reaction cross sections measurements
238U(n,2ng) and (n,3ng) reaction cross sections measurements Open
The aim of the experiment is to study 238U(n,2n)237U and 238U(n,3n)236U by the prompt gamma-ray spectroscopy method with an additional integral determination of the 238U(n, 2n) reaction cross section by the activation technique taking adva…
View article: The n_TOF facility at CERN
The n_TOF facility at CERN Open
The neutron Time-of-Flight (TOF) research facility at CERN, n_TOF, has been a pioneering platform for neutron cross-section measurements since its inception in 2001. It boasts three distinct experimental areas, each tailored to address a s…
View article: The n_TOF facility at CERN
The n_TOF facility at CERN Open
The neutron Time-of-Flight facility (n_TOF) is an innovative facility operative since 2001 at CERN, with three experimental areas. In this paper the n_TOF facility will be described, together with the upgrade of the facility during the Lon…
View article: Description and outlook of the <sup>50,53</sup>Cr(n,γ) cross section measurement at n_TOF and HiSPANoS
Description and outlook of the <sup>50,53</sup>Cr(n,γ) cross section measurement at n_TOF and HiSPANoS Open
Chromium is a very relevant element regarding criticality safety in nuclear reactors because of its presence in stainless steel, an important structural material. Currently, there are serious discrepancies between the different evaluations…
View article: Search for Shape Coexistence in Selenium Isotopes Around \(N=50\)
Search for Shape Coexistence in Selenium Isotopes Around \(N=50\) Open
In the present contribution, the experimental investigation of the possible occurrence of the shape coexistence phenomenon in the 83Se (Z = 34, N = 49) and 84Se (Z = 34, N = 50) isotopes is presented. The aim of the experiment was to ident…
View article: Pushing the high count rate limits of scintillation detectors for challenging neutron-capture experiments
Pushing the high count rate limits of scintillation detectors for challenging neutron-capture experiments Open
One of the critical aspects for the accurate determination of neutron capture cross sections when combining time-of-flight and total energy detector techniques is the characterization and control of systematic uncertainties associated to t…
View article: The neutron time-of-flight facility n_TOF at CERN Recent facility upgrades and detector developments
The neutron time-of-flight facility n_TOF at CERN Recent facility upgrades and detector developments Open
Based on an idea by Carlo Rubbia, the n_TOF facility at CERN has been operating for over 20 years. It is a neutron spallation source, driven by the 20 GeV/c proton beam from the CERN PS accelerator. Neutrons in a very wide energy range (fr…
View article: New detection systems for an enhanced sensitivity in key stellar (n,γ) measurements
New detection systems for an enhanced sensitivity in key stellar (n,γ) measurements Open
Neutron capture cross-section measurements are fundamental in the study of astrophysical phenomena, such as the slow neutron capture (s-) process of nucleosynthesis operating in red-giant and massive stars. However, neutron capture measure…
View article: On the need for precise nuclear structure data for high quality (n, n’γ) cross-section measurements
On the need for precise nuclear structure data for high quality (n, n’γ) cross-section measurements Open
The necessary improvement of evaluated nuclear data for nuclear applications development is possible through new and high-quality measurements, often combined with appropriate nuclear-reaction modelling. In particular, improving inelastic …
View article: First measurement of the <sup>94</sup>Nb(<i>n</i>,<i>γ</i>) cross section at the CERN n_TOF facility
First measurement of the <sup>94</sup>Nb(<i>n</i>,<i>γ</i>) cross section at the CERN n_TOF facility Open
One of the crucial ingredients for the improvement of stellar models is the accurate knowledge of neutron capture cross-sections for the different isotopes involved in the s -, r - and i - processes. These measurements can shed light on ex…
View article: New perspectives for neutron capture measurements in the upgraded CERN-n_TOF Facility
New perspectives for neutron capture measurements in the upgraded CERN-n_TOF Facility Open
The n_TOF facility has just undergone in 2021 a major upgrade with the installation of its third generation spallation target that has been designed to optimize the performance of the two n_TOF time-of-flight lines. This contribution descr…
View article: Overview of the dissemination of n_TOF experimental data and resonance parameters
Overview of the dissemination of n_TOF experimental data and resonance parameters Open
The n_TOF neutron time-of-flight facility at CERN is used for nuclear data measurements. The n_TOF Collaboration works closely with the Nuclear Reaction Data Centres (NRDC) network to disseminate the experimental data through the internati…
View article: Measurement of the <sup>160</sup>Gd(n, γ) cross section at n_TOF and its medical implications
Measurement of the <sup>160</sup>Gd(n, γ) cross section at n_TOF and its medical implications Open
Neutron-capture reactions on gadolinium isotopes play an important role in several fields of physics,in particular in nuclear Astrophysics for the understanding of the nucleosynthesis of heavy elements (beyond iron) in stars via the s- and…
View article: Neutron-induced cross section measurements
Neutron-induced cross section measurements Open
Neutron-induced cross sections represent the main nuclear input to models of stellar and Big-Bang nucleosynthesis. While (n, γ ) reactions are relevant for the formation of elements heavier than iron, (n,p) and (n, α ) reactions can play a…
View article: Compton imaging for enhanced sensitivity (n,γ) cross section TOF experiments: Status and prospects
Compton imaging for enhanced sensitivity (n,γ) cross section TOF experiments: Status and prospects Open
Radiative neutron-capture cross sections are of pivotal importance in many fields such as nucle-osynthesis studies or innovative reactor technologies. A large number of isotopes have been measured with high accuracy, but there are still a …
View article: From <sup>232</sup>Th(n, n’γ) cross sections to level production and total neutron inelastic scattering cross sections
From <sup>232</sup>Th(n, n’γ) cross sections to level production and total neutron inelastic scattering cross sections Open
To probe the neutron inelastic scattering off 232 Th, an experiment took place at the EC-JRC Geel conducted with the experimental setup GRAPhEME to detect emitted γ-rays. The prompt γ-ray spectroscopy method was used and 70 experimental 23…