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View article: Characterisation of the neutron beam in the n_TOF-EAR2 experimental area at CERN following the spallation target upgrade
Characterisation of the neutron beam in the n_TOF-EAR2 experimental area at CERN following the spallation target upgrade Open
The n_TOF facility at CERN has undergone a major upgrade after the installation of a new spallation target, designed to improve the performance of both neutron beamlines at the experimental areas 1 and 2 (EAR1 and EAR2) and the commissioni…
View article: Deuteron-induced nuclear reactions to produce 177Lu: Extension of cross-sections data up to 33 MeV and impact on purity
Deuteron-induced nuclear reactions to produce 177Lu: Extension of cross-sections data up to 33 MeV and impact on purity Open
Activation cross-sections of lutetium and ytterbium radionuclides have been measured by deuteron-induced nuclear reaction on natYb(d,x) at the GIP ARRONAX (Saint-Herblain, France) cyclotron facility with a beam energy up to 33 MeV using th…
View article: Measurement of the $^{35}Cl(n, p)^{35}S$ cross-section at the CERN n\_TOF facility from subthermal energy to 120 keV
Measurement of the $^{35}Cl(n, p)^{35}S$ cross-section at the CERN n\_TOF facility from subthermal energy to 120 keV Open
Background: The $^{35}Cl(n, p)^{35}S$ reaction is of special interest in three different applications. First, in Boron Neutron Capture Therapy due to the presence of $^{35}Cl$ in brain and skin tissue. Second, it is involved in the creatio…
View article: Measurement of the 33S(n,α)30Si Thermal Cross-Section with Slow Neutrons at ILL
Measurement of the 33S(n,α)30Si Thermal Cross-Section with Slow Neutrons at ILL Open
This work is focused on an accurate experimental determination of the thermal 33S(n,α)30Si cross-section. This cross-section is a critical parameter for the potential use of 33S as a cooperative target in boron neutron capture therapy or t…
View article: Measurement of neutron total cross-section of Mg and MgF$_{2}$ at MONNET (JRC-Geel) from transmission with fine multi-scattering corrections
Measurement of neutron total cross-section of Mg and MgF$_{2}$ at MONNET (JRC-Geel) from transmission with fine multi-scattering corrections Open
Neutron-transmission measurements through samples of magnesium fluoride (MgF$_2$) and pure magnesium were performed to obtain the (n, tot) cross section for all isotopes involved, $^{19}$F and $^{24-26}$Mg. Lithium-glass detectors were use…
View article: Comparison of the Biological Response of a Head and Neck Carcinoma and a Glioblastoma Cell Line Under Neutron Irradiation with BPA Administration
Comparison of the Biological Response of a Head and Neck Carcinoma and a Glioblastoma Cell Line Under Neutron Irradiation with BPA Administration Open
Background and objective: In Boron Neutron Capture Therapy, treatment planning is based on a weighted dose in which dose components are weighted with different biological effectiveness (RBE) factors. The most important one for the tumor do…
View article: Measurement of the natC(n,p) and natC(n,d) reactions from n_TOF at CERN
Measurement of the natC(n,p) and natC(n,d) reactions from n_TOF at CERN Open
The energy dependence of the cross section of the (n,p) and (n,d) reactions on $^\text{nat}$C has been studied for the first time at the n_TOF facility at CERN, from the particle detection threshold up to 25 MeV. The measurement was perfor…
View article: Neutron relative effectiveness factors in Boron Neutron Capture Therapy: estimation of their values from the secondary charged particles and evaluation of weighted kerma factors for a standard tissue
Neutron relative effectiveness factors in Boron Neutron Capture Therapy: estimation of their values from the secondary charged particles and evaluation of weighted kerma factors for a standard tissue Open
The average Relative Biological effectiveness (RBE) factors for neutron irradiation in the context of a BNCT treatment are studied. This research considers the various interactions and secondary particles of each process and estimates the …
View article: Measurement and analysis of the $$^{246}$$Cm and $$^{248}$$Cm neutron capture cross-sections at the EAR2 of the n_TOF facility at CERN
Measurement and analysis of the $$^{246}$$Cm and $$^{248}$$Cm neutron capture cross-sections at the EAR2 of the n_TOF facility at CERN Open
The $$^{246}$$ Cm(n, $$\gamma $$ ) and $$^{248}$$ Cm(n, $$\gamma $$ ) cross-sections have been measured at the Experimental Area 2 (EAR2) of the n_TOF facility at CERN with three C $$_6$$ D $$_6$$ detectors. This measuremen…
View article: Radiative neutron capture cross section of $^{242}$Pu measured at n_TOF-EAR1 in the unresolved resonance region up to 600 keV
Radiative neutron capture cross section of $^{242}$Pu measured at n_TOF-EAR1 in the unresolved resonance region up to 600 keV Open
The design of fast reactors burning MOX fuels requires accurate capture and fission cross sections. For the particular case of neutron capture on 242Pu, the NEA recommends that an accuracy of 8-12% should be achieved in the fast energy reg…
View article: Production and measurement of a stellar neutron spectrum at 30 keV
Production and measurement of a stellar neutron spectrum at 30 keV Open
A few years ago, we theoretically studied the production of a stellar neutron spectrum at kT = 30 keV using a shaped proton beam impinging on a thick lithium target. Here, we first measure the proton distribution to better control the prod…
View article: Shedding Light on the Origin of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>Pb</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>204</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math>, the Heaviest <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>s</mml:mi></mml:mrow></mml:math>-Process–Only Isotope in the Solar System
Shedding Light on the Origin of , the Heaviest -Process–Only Isotope in the Solar System Open
Asymptotic giant branch stars are responsible for the production of most of the heavy isotopes beyond Sr observed in the solar system. Among them, isotopes shielded from the r-process contribution by their stable isobars are defined as s-o…
View article: Study of the out-of-field dose from an accelerator-based neutron source for boron neutron capture therapy
Study of the out-of-field dose from an accelerator-based neutron source for boron neutron capture therapy Open
One important issue in Boron Neutron Capture Therapy is the delivered dose to the tissues outside the tumor. An international standard for light ion beam systems sets two recommended limits for out-of-field dose based on distance from the …
View article: Measurement and analysis of the $^{246}$Cm and $^{248}$Cm neutron capture cross-sections at the EAR2 of the n TOF facility
Measurement and analysis of the $^{246}$Cm and $^{248}$Cm neutron capture cross-sections at the EAR2 of the n TOF facility Open
The $^{246}$Cm(n,$\gamma$) and $^{248}$Cm(n,$\gamma$) cross-sections have been measured at the Experimental Area 2 (EAR2) of the n_TOF facility at CERN with three C$_6$D$_6$ detectors. This measurement is part of a collective effort to imp…
View article: Production of 165Er with deuterons at IFMIF-DONES
Production of 165Er with deuterons at IFMIF-DONES Open
The production of radioisotopes for nuclear medicine is boosted by different international agencies. IFMIF-DONES will be an infrastructure where neutrons will be generated by the impact of a high-power deuteron beam onto a lithium jet targ…
View article: Measurement of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>Ce</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>140</mml:mn></mml:mrow></mml:mmultiscripts><mml:mo stretchy="false">(</mml:mo><mml:mi mathvariant="normal">n</mml:mi><mml:mo>,</mml:mo><mml:mi>γ</mml:mi><mml:mo stretchy="false">)</mml:mo></mml:mrow></mml:math> Cross Section at n_TOF and Its Astrophysical Implications for the Chemical Evolution of the Universe
Measurement of the Cross Section at n_TOF and Its Astrophysical Implications for the Chemical Evolution of the Universe Open
Ce140(n,γ) is a key reaction for slow neutron-capture (s-process) nucleosynthesis due to being a bottleneck in the reaction flow. For this reason, it was measured with high accuracy (uncertainty ≈5%) at the n_TOF facility, with an unpreced…
View article: DONES EVO: Risk mitigation for the IFMIF-DONES facility
DONES EVO: Risk mitigation for the IFMIF-DONES facility Open
The International Fusion Materials Irradiation Facility- DEMO Oriented Neutron Source (IFMIF-DONES) is a scientific infrastructure aimed to provide an intense neutron source for the qualification of materials to be used in future fusion po…
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: Production and measurement of stellar neutron spectrum at 30 keV
Production and measurement of stellar neutron spectrum at 30 keV Open
In the present experiment we measure the forward-emitted angle-integrated neutron spectrum of the 7Li(p,n)7Be reaction via time-of-flight neutron spectrometry. The proton beam is shaped to a Gaussian-like distribution with energies close t…
View article: Measurement of the <sup>241</sup>Am(n,γ) cross section at the n_TOF facility at CERN
Measurement of the <sup>241</sup>Am(n,γ) cross section at the n_TOF facility at CERN Open
The neutron capture cross section of 241 Am is an important quantity for nuclear energy production and fuel cycle scenarios. Several measurements have been performed in recent years with the aim to reduce existing uncertainties in evaluate…
View article: The n_TOF NEAR Station Commissioning and first physics case
The n_TOF NEAR Station Commissioning and first physics case Open
The NEAR Station is a new experimental area developed at the n_TOF Facility at CERN. The activation station of NEAR underwent a characterization of the beam following the installation of the new n_TOF Spallation Target. The commissioning o…
View article: The Stellar <sup>72</sup>Ge(n, γ) Cross Section for weak s-process: A First Measurement at n_TOF
The Stellar <sup>72</sup>Ge(n, γ) Cross Section for weak s-process: A First Measurement at n_TOF Open
The slow neutron capture process ( s -process) is responsible for producing about half of the elemental abundances heavier than iron in the universe. Neutron capture cross sections on stable isotopes are a key nuclear physics input for s -…
View article: Results of the <sup>244</sup>Cm, <sup>246</sup>Cm and <sup>248</sup>Cm neutron-induced capture cross sections measurements at EAR1 and EAR2 of the n_TOF facility
Results of the <sup>244</sup>Cm, <sup>246</sup>Cm and <sup>248</sup>Cm neutron-induced capture cross sections measurements at EAR1 and EAR2 of the n_TOF facility Open
Accurate neutron capture cross section data for minor actinides (MAs) are required to estimate the production and transmutation rates of MAs in light water reactors, critical fast reactors like Gen-IV systems, and other innovative reactor …