J. Heyse
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View article: The CERN n_TOF NEAR station for astrophysics- and application-related neutron activation measurements
The CERN n_TOF NEAR station for astrophysics- and application-related neutron activation measurements Open
A new experimental area, the NEAR station, has recently been built at the CERN n_TOF facility, at a short distance from the spallation target (3 m). The new area, characterized by a neutron beam of very high flux, has been designed with th…
View article: Galacto-Oligosaccharides Exert Bifidogenic Effects at Capsule-Compatible Ultra-Low Doses
Galacto-Oligosaccharides Exert Bifidogenic Effects at Capsule-Compatible Ultra-Low Doses Open
Background: Prebiotics are selectively used by host microorganisms to promote health. Because effective prebiotic doses (1.5–30 g/day) often require inconvenient delivery formats, this study aims to explore whether capsule-compatible doses…
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: 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: 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: Real-time flow cytometry to assess qualitative and quantitative responses of oral pathobionts during exposure to antiseptics
Real-time flow cytometry to assess qualitative and quantitative responses of oral pathobionts during exposure to antiseptics Open
Antiseptics are widely used in oral healthcare to prevent or treat oral diseases, such as gingivitis and periodontitis. However, the incidence of bacteria being tolerant to standard antiseptics has sharply increased over the last few years…
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: 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: 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: Measurement of the prompt fission $$\gamma $$-rays from slow neutron-induced fission of $$^{235}$$U with STEFF
Measurement of the prompt fission $$\gamma $$-rays from slow neutron-induced fission of $$^{235}$$U with STEFF Open
The average energy and multiplicity of prompt $$\gamma $$ -rays from slow neutron-induced fission of $$^{235}$$ U have been measured using the STEFF spectrometer at the neutron time-of-flight facility n_TOF. The individual responses f…
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: Microbiomes of Tilapia Culture Systems: Composition, Affecting Factors, and Future Perspectives
Microbiomes of Tilapia Culture Systems: Composition, Affecting Factors, and Future Perspectives Open
With the increasing demand for global food resources, improving aquaculture production has been the focus for years. Tilapia has become one of the most commonly farmed and economically important fish species globally. Research efforts have…
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: Bacterial and microalgal communities in carp polyculture systems: Composition, affecting factors and further perspectives.
Bacterial and microalgal communities in carp polyculture systems: Composition, affecting factors and further perspectives. Open
Carp polyculture is the planet's most widely practiced fish production system, using multiple fish species living in diverse trophic and spatial niches of a pond to maximize productivity. Increases in farm productivity can be supported by …
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: 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…