Now showing items 1-20 of 32

• #### 7Be(n,alpha) and 7Be(n,p) cross-section measurement for the cosmological lithium problem at the n TOF facility at CERN ﻿

(EDP Sciences, 2016)
Conference lecture
Open Access
The Cosmological Lithium Problem refers to the large discrepancy between the abundance of primordial 7Li predicted by the standard theory of Big Bang Nucleosynthesis and the value inferred from the so-called “Spite plateau” ...
• #### A Micromegas detector for neutron beam imaging at the n TOF facility at CERN ﻿

(2014-05-01)
Article
Restricted access - publisher's policy
Micromegas (Micro-MEsh Gaseous Structure) detectors are gas detectors consisting of a stack of one ionization and one proportional chamber. A micromesh separates the two communicating regions, where two different electric ...
• #### Astrophysics at n-TOF facility ﻿

(2008)
Conference report
Open Access
The neutron time of flight (n_TOF) facility at CERN is a neutron spallation source, its white neutron energy spectrum ranges from thermal to several GeV, covering the full energy range of interest for nuclear astrophysics, ...
• #### Capture cross section of 236U: the n TOF results ﻿

(2014-05-01)
Article
Restricted access - publisher's policy
Neutron induced capture cross section on 236U has been measured with high accuracy and high resolution at n TOF, in order to improve data libraries needed for the development of advanced nuclear reactors. Preliminary results ...
• #### Constraints on the dipole photon strength for the odd uranium isotopes ﻿

(American Physical Society, 2022-02-01)
Article
Open Access
Nuclear level densities (NLDs) and photon strength functions (PSFs), also called ¿ -ray or radiation strength functions, represent average properties of the nucleus in the regime of excitation where individual levels and ...
• #### Experimental neutron capture data of 58Ni from the CERN n_TOF facility ﻿

(2014-01-09)
Article
Restricted access - publisher's policy
The 58Ni(n,γ ) cross section has been measured at the neutron time of flight facility n_TOF at CERN, in the energy range from 27 meV up to 400 keV. In total, 51 resonances have been analyzed up to 122 keV. Maxwellian ...
• #### Experimental neutron capture data of 58Ni from the CERN n_TOF facility ﻿

(EDP Sciences, 2015)
Conference lecture
Open Access
The neutron capture cross section of 58Ni was measured at the neutron time of flight facility n_TOF at CERN, from 27 meV to 400 keV neutron energy. Special care has been taken to identify all the possible sources of ...
• #### First results of the140ce(N,¿)141ce cross-section measurement at n_tof ﻿

(2021-06-01)
Article
Open Access
An accurate measurement of the 140Ce(n,¿) energy-dependent cross-section was performed at the n_TOF facility at CERN. This cross-section is of great importance because it represents a bottleneck for the s-process nucleosynthesis ...
• #### Fission program at n_TOF ﻿

(EPJ Web of Conferences, 2019)
Conference report
Open Access
Since its start in 2001 the n_TOF collaboration developed a measurement program on fission, in view of advanced fuels in new generation reactors. A special effort was made on measurement of cross sections of actinides, ...
• #### GEANT4 simulation of the neutron background of the C6D6 set-up for capture studies at n_TOF ﻿

(2014-05-20)
Article
Restricted access - publisher's policy
The neutron sensitivity of the C6D6 detector setup used at n_TOF facility for capture measurements has been studied by means of detailed GEANT4 simulations. A realistic software replica of the entire n_TOF experimental ...
• #### High accuracy, high resolution 235U(n,f) cross section from n_TOF (CERN) from 18 meV to 10 keV ﻿

(Springer Nature, 2022-08-01)
Article
Open Access
U(n,f) cross section was measured in a wide energy range (18 meV–170 keV) at the n_TOF facility at CERN, relative to 6Li(n,t) and 10B(n,a) standard reactions, with high resolution and accuracy, with a setup based on a stack ...
• #### High-accuracy determination of the neutron flux in the new experimental area n_TOF-EAR2 at CERN ﻿

(2017-10-27)
Article
Open Access
A new high flux experimental area has recently become operational at the n_TOF facility at CERN. This new measuring station, n_TOF-EAR2, is placed at the end of a vertical beam line at a distance of approximately 20m from ...
• #### Integral cross section measurement of the12C(n,p)12B reaction ﻿

(2015)
Conference report
Open Access
The integral cross section of the12C(n, p)12B reaction was measured at the neutron time of flight facility nTOF at CERN, from the reaction threshold at 13.6 MeV up to 10 GeV, by means of the combined activation and a ...
• #### Integral measurement of the 12C(n, p)12B reaction up to 10 GeV ﻿

(2016-04-22)
Article
Open Access
The integral measurement of the 12C(n, p)12B reaction was performed at the neutron time-offlight facility n TOF at CERN. The total number of 12B nuclei produced per neutron pulse of the n TOF beam was determined using ...
• #### Investigation of the 240Pu (n, f) reaction at the n_TOF/EAR2 facility in the 9 meV–6 MeV range ﻿

(American Physical Society (APS), 2020-07-21)
Article
Open Access
Background: Nuclear waste management is considered amongst the major challenges in the field of nuclear energy. A possible means of addressing this issue is waste transmutation in advanced nuclear systems, whose operation ...
• #### Measurement of the 240Pu(n,f) cross-section at the CERN n TOF facility: First results from experimental area II (EAR-2) ﻿

(EDP Sciences, 2016)
Conference lecture
Open Access
The accurate knowledge of the neutron-induced fission cross-sections of actinides and other isotopes involved in the nuclear fuel cycle is essential for the design of advanced nuclear systems, such as Generation-IV nuclear ...
• #### Measurement of the 242Pu(n,f) cross section at the CERN n TOF facility ﻿

(2014-05-01)
Article
Restricted access - publisher's policy
The accurate knowledge of relevant nuclear data is crucial for the design of advanced nuclear systems. These data include neutron cross sections of various plutonium isotopes and other minor actinides. The 242Pu(n,f) cross ...
• #### Measurement of the 70Ge(n,¿) cross section up to 300 keV at the CERN n_TOF facility ﻿

(American Physical Society (APS), 2019-10-17)
Article
Open Access
Neutron capture data on intermediate mass nuclei are of key importance to nucleosynthesis in the weakcomponent of the slow neutron capture processes, which occurs in massive stars. The (n,¿) cross section on70Ge, which is ...
• #### Measurement of the C-12(n, p)B-12 cross section at n_TOF at CERN by in-beam activation analysis ﻿

(2014-08-19)
Article
Restricted access - publisher's policy
The integral cross section of the C-12(n,p)B-12 reaction has been determined for the first time in the neutron energy range from threshold to several GeV at the n_TOF facility at CERN. The measurement relies on the activation ...
• #### Measurement of the240Pu(n,f) cross-section at the CERN n-TOF facility: First results from EAR-2 ﻿

(2015)
Conference report
Open Access
The accurate knowledge of neutron cross-sections of a variety of plutonium isotopes and other minor actinides, such as neptunium, americium and curium, is crucial for feasibility and performance studies of advanced nuclear ...