Browsing University of Hertfordshire by Title
Now showing items 13596-13615 of 24093
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Measurement of the N 14 (n,p) C 14 cross section at the CERN n_TOF facility from subthermal energy to 800 keV
(2023-06-29)Background: The N14(n,p)C14 reaction is of interest in neutron capture therapy, where nitrogen-related dose is the main component due to low-energy neutrons, and in astrophysics, where N14 acts as a neutron poison in the ... -
Measurement of the neutron capture cross section of the s-only isotope Pb-204 from 1 eV to 440 keV
(2007-01)The neutron capture cross section of Pb-204 has been measured at the CERN n_TOF installation with high resolution in the energy range from 1 eV to 440 keV. An R-matrix analysis of the resolved resonance region, between 1 ... -
Measurement of the neutron induced fission cross section on transuranic (TRU) elements at the n_TOF facility at CERN
(American Institute of Physics, 2007)During the 2004 campaign, the n_TOF collaboration measured neutron fission cross sections for U-233, Am-241,Am-243, Cm-245, as well as the fission standards U-235.238, using a sealed Fission Ionization Chamber (FIC). The ... -
Measurement of the neutron-induced fission cross section of Th 230 at the CERN n_TOF facility
(2023-07-26)The neutron-induced fission cross section of Th230 has been measured at the neutron time-of-flight facility n_TOF located at CERN. The experiment was performed at the experimental area EAR-1 with a neutron flight path of ... -
Measurement of the neutron-induced fission cross-section of Am-241 at the time-of-flight facility n_TOF
(2013)The neutron-induced fission cross-section of Am-241 has been measured relative to the standard fission cross-section of U-235 between 0.5 and 20 MeV. The experiment was performed at the CERN n_TOF facility. Fission fragments ... -
Measurement of the neutron-induced fission cross-section of Am-243 relative to U-235 from 0.5 to 20 MeV
(2011-12)The ratio of the neutron-induced fission cross-sections of Am-243 and U-235 was measured in the energy range from 0.5 to 20 MeV with uncertainties of approximate to 4%. The experiment was performed at the CERN n_TOF facility ... -
Measurement of the prompt fission γ -rays from slow neutron-induced fission of 235 U with STEFF
(2024-03)The average energy and multiplicity of prompt γ-rays from slow neutron-induced fission of 235U have been measured using the STEFF spectrometer at the neutron time-of-flight facility n_TOF. The individual responses from 11 ... -
Measurement of the radiative neutron capture cross section of Pb-206 and its astrophysical implications
(2007-10)The (n,gamma) cross section of Pb-206 has been measured at the CERN n_TOF facility with high resolution in the energy range from 1 eV to 620 keV by using two optimized C6D6 detectors. In the investigated energy interval ... -
Measurement of the Se 77 (n,γ) cross section up to 200 keV at the n_TOF facility at CERN
(2023-06-12)The Se77(n,γ) reaction is of importance for Se77 abundance during the slow neutron capture process in massive stars. We have performed a new measurement of the Se77 radiative neutron capture cross section at the Neutron ... -
Measurement of the Sm-151(n, gamma) cross section from 0.6 eV to 1 MeV via the neutron time-of-flight technique at the CERN n_TOF facility
(2006-03)The Sm-151(n,gamma) cross section was measured with the time-of-flight technique from 0.6 eV up to 1 MeV relative to the Au standard with an overall uncertainty of typically 6%. Neutrons were produced by spallation at the ... -
Measurement of the Sm-151(n,gamma)Sm-152 cross section at n_TOF
(2005-07-25)The Sm-151(n,gamma) Sm-152 cross section, which is important for the interpretation of the Sm-151 branching as an s-process thermometer, was measured from 1 eV up to 1 MeV at the innovative n-TOF facility at CERN. Based ... -
Measurement of the Th-232 neutron capture cross section at the CERN n_TOF facility
(American Institute of Physics, 2005)The use of a fuel cycle based on Th-232 can substantially reduce the radiotoxicity of the produced nuclear waste since the lower atomic and mass number of thorium results in a strongly suppressed build-up of the higher ... -
Measurement of the U-236(n, f) cross section from 170 meV to 2 MeV at the CERN n_TOF facility
(2011-10-31)The neutron-induced fission cross section of U-236 was measured at the neutron Time-of-Flight (n_TOF) facility at CERN relative to the standard U-235(n, f) cross section for neutron energies ranging from above thermal to ... -
Measurement of the α ratio and (n,γ) cross section of U 235 from 0.2 to 200 eV at n_TOF MEASUREMENT of the α RATIO and ... J. BALIBREA-CORREA et al.
(2020-10-20)We measured the neutron capture-to-fission cross-section ratio (α ratio) and the capture cross section of U235 between 0.2 and 200 eV at the n_TOF facility at CERN. The simultaneous measurement of neutron-induced capture ... -
The measurement programme at the neutron time-of-flight facility n-TOF at CERN
(EDP Sciences, 2017-09-13)Neutron-induced reaction cross sections are important for a wide variety of research fields ranging from the study of nuclear level densities, nucleosynthesis to applications of nuclear technology like design, and criticality ... -
Measurement report: Balloon-borne in-situ profiling of Saharan dust over Cyprus with the UCASS optical particle counter
(2021-05-05)This paper presents measurements of mineral dust concentration in the diameter range from 0.4 to 14.0 μm with a novel balloon-borne optical particle counter, the Universal Cloud and Aerosol Sounding System (UCASS). The ... -
Measurement uncertainty and cable balance - With implications for the CDNE-M and CMAD
(Institute of Electrical and Electronics Engineers (IEEE), 2014-10-20)The emulation of the real-world of mains power cables in EMC test methods can be improved. We show that for devices with significant differential-mode emission in the frequency range 150 kHz to 30 MHz, the impedance balance ... -
Measurement-Based Analysis of Spatial Degrees of Freedom in Multipath Propagation Channels
(2013-02)A method of estimating spatial degrees of freedom (DoF) from measured multipath propagation channels in the multiple-input single-output regime is presented. The DoF of the multipath channels on the transmit (Tx) side is ... -
Measurement-Based Timing Analysis
(Springer Nature, 2009)In this paper we present a measurement-based worst-case execution time (WCET) analysis method. Exhaustive end-to-end execution-time measurements are computationally intractable in most cases. Therefore, we propose to measure ...