Now showing items 1-11 of 11

• #### 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 ...
• #### Characterization of the new n_TOF neutron ream: fluence, profile and resolution ﻿

(2011-08-12)
Article
Restricted access - publisher's policy
After a halt of four years, the n TOF spallation neutron facility at CERN has resumed operation in November 2008 with a new spallation target characterized by an improved safety and engineering design, resulting in a ...
• #### 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 ...
• #### High-accuracy determination of the 238U/ 235U fission cross section ratio up to ˜ 1 GeV at n_TOF at CERN ﻿

(2015-02-09)
Article
Open Access
The U238 to U235 fission cross section ratio has been determined at n_TOF up to ˜1 GeV, with two different detection systems, in different geometrical configurations. A total of four datasets has been collected and compared. ...
• #### 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 ...
• #### 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 72Ge(n,¿) cross section over a wide neutron energy range at the CERN n_TOF facility ﻿

(American Physical Society, 2021-04-01)
Article
Open Access
The 72 Ge ( n , ¿ ) cross section was measured for neutron energies up to 300 keV at the neutron time-of-flight facility n _ TOF (CERN), Geneva, for the first time covering energies relevant to heavy-element synthesis in ...
• #### 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 ...
• #### The new vertical neutron beam line at the CERN n_TOF facility design and outlook on the performance ﻿

(2015-07-23)
Article
Open Access
At the neutron Lime-of-flight facility n_TOF at CERN a new vertical beam line was constructed in 2014, in order to extend the experimental possibilities at this facility to an even wider range of challenging cross-section ...
• #### The role of Fe and Ni for S-process nucleosynthesis and innovative nuclear technologies ﻿

(2011-08-12)
Article
Restricted access - publisher's policy
The accurate measurement of neutron capture cross sections of all Fe and Ni isotopes is important for disentangling the contribution of the s-process and the r-process to the stellar nucleosynthesis of elements in the mass ...
• #### Zr 92 (n,?) and (n,tot) measurements at the GELINA and n_TOF facilities ﻿

(American Physical Society, 2022-02-01)
Article
Open Access
Stellar nucleosynthesis of elements heavier than iron is driven by neutron capture processes. Zr92 is positioned at a strategic point along the slow nucleosynthesis path, given its proximity to the neutron magic number ...