English
Related papers

Related papers: Aluminium fast neutron leakage spectrum validation

200 papers

Fast neutron beams are of relevance for many scientific and industrial applications. This paper explores fast neutron production using a TANDEM accelerator at the Legnaro National Laboratories, via an energetic ion beam (90 MeV $^{14}N$)…

We report on the measurement of the ambient neutron flux and its energy distribution over a broad range of neutron energies, conducted in Hall A of the Canfranc Underground Laboratory using the High Efficiency Neutron Spectrometry Array…

Differential and angle-integrated cross sections for the $^{10}$B($n, {\alpha}$)$^{7}$Li, $^{10}$B($n, {\alpha}$$_{0}$)$^{7}$Li and $^{10}$B($n, {\alpha}$$_{1}$)$^{7}$Li$^{*}$ reactions have been measured at CSNS Back-n white neutron…

A prototype of neutron spectrometer based on diamond detectors has been developed. This prototype consists of a $^6$Li neutron converter sandwiched between two CVD diamond crystals. The radiation hardness of the diamond crystals makes it…

Instrumentation and Detectors · Physics 2015-05-26 M. Osipenko , F. Pompili , M. Ripani , M. Pillon , G. Ricco , B. Caiffi , R. Cardarelli , G. Verona-Rinati , S. Argiro

Ambient neutrons may cause significant background for underground experiments. Therefore, it is necessary to investigate their flux and energy spectrum in order to devise a proper shielding. Here, two sets of altogether ten moderated $^3$He…

A technique to measure low intensity fast neutron flux has been developed. The design, calibrations, procedure for data analysis and interpretation of the results are discussed in detail. The technique has been applied to measure the…

High Energy Physics - Experiment · Physics 2008-11-26 E. Tziaferi , M. J. Carson , V. A. Kudryavtsev , R. Lerner , P. K. Lightfoot , S. M. Paling , M. Robinson , N. J. C. Spooner

A ThO$_{2}$ sample and a nickel activation foil were irradiated in the leakage neutron field of CFBR-II reactor. The activities of the activation products were measured after irradiation to obtain the reaction rates. The normalized reaction…

Nuclear Experiment · Physics 2016-11-21 Qiang Wang , Li-Na Zeng , Zi-Hui Ai , Chun Zheng , Jian Gong

Thermoluminescence detectors (TLD) were used for dose measurements at JET. Several hundreds of LiF detectors of various types, standard LiF:Mg,Ti and highly sensitive LiF:Mg,Cu,P were produced. LiF detectors consisting of natural lithium…

The aim of this work is to provide a precise and accurate measurement of the 238U(n,g) reaction cross section in the energy region from 1 eV to 700 keV. This reaction is of fundamental importance for the design calculations of nuclear…

Nuclear Experiment · Physics 2017-03-15 TOF Collaboration , F. Mingrone , C. Massimi , G. Vannini , N. Colonna , F. Gunsing , P. Žugec , S. Altstadt , J. Andrzejewski , L. Audouin , M. Barbagallo , V. Bécares , F. Bečvář , F. Belloni , E. Berthoumieux , J. Billowes , D. Bosnar , M. Brugger , M. Calviani , F. Calviño , D. Cano-Ott , C. Carrapiço , F. Cerutti , E. Chiaveri , M. Chin , G. Cortés , M. A. Cortés-Giraldo , M. Diakaki , C. Domingo-Pardo , I. Duran , R. Dressler , C. Eleftheriadis , A. Ferrari , K. Fraval , S. Ganesan , A. R. García , G. Giubrone , I. F. Gonçalves , E. González-Romero , E. Griesmayer , C. Guerrero , A. Hernández-Prieto , D. G. Jenkins , E. Jericha , Y. Kadi , F. Käppeler , D. Karadimos , N. Kivel , P. Koehler , M. Kokkoris , 1 M. Krtička , J. Kroll , C. Lampoudis , C. Langer , E. Leal-Cidoncha , C. Lederer , H. Leeb , L. S. Leong , S. Lo Meo , R. Losito , A. Mallick , A. Manousos , J. Marganiec , T. Martínez , P. F. Mastinu , M. Mastromarco , E. Mendoza , A. Mengoni , P. M. Milazzo , M. Mirea , W. Mondalaers , C. Paradela , A. Pavlik , J. Perkowski , A. Plompen , J. Praena , J. M. Quesada , T. Rauscher , R. Reifarth , A. Riego , M. S. Robles , C. Rubbia , M. Sabaté-Gilarte , R. Sarmento , A. Saxena , P. Schillebeeckx , S. Schmidt , D. Schumann , G. Tagliente , J. L. Tain , D. Tarrío , L. Tassan-Got , A. Tsinganis , S. Valenta , V. Variale , P. Vaz , A. Ventura , M. J. Vermeulen , V. Vlachoudis , R. Vlastou , A. Wallner , T. Ware , M. Weigand , C. Weiß , T. Wright

The 232Th(n,{\gamma})233Th neutron capture reaction cross sections were measured at average neutron energies of 14.1 MeV and 14.8 MeV using the activation method. The neutron flux was determined using the monitor reaction…

Nuclear Experiment · Physics 2017-04-26 Chang-Lin Lan , Bao-Lin Xie , Meng Peng , Tao Lv , Ze-en Yao , Jin-Gen Chen , Xiang-Zhong Kong

In this article, we present a measurement of flow rate, yield and effusion time of a $^{23}$Ne production and transport system. We used an accelerator-driven Li(d,n) neutron source to produce neutrons up to 20 MeV. The radioactive atoms…

For validation and development of codes and for modeling isotope production in high power accelerators and APT Materials studies, we have produced experimental, calculated, and evaluated activation libraries for interaction of nucleons with…

Nuclear Theory · Physics 2007-05-23 S. G. Mashnik , A. J. Sierk , K. A. Van Riper , W. B. Wilson

The uranium-233 neutron capture cross section between 3 keV and 1 MeV was evaluated with the new alpha value recently measured at the Los Alamos National Laboratory LANCE facility and compiled in the EXFOR library. The obtained capture…

Nuclear Experiment · Physics 2024-11-28 Naohiko Otuka , Kenichi Tada , Oscar Cabellos , Osamu Iwamoto

The characterization of a liquid scintillator incorporating an aqueous solution of enriched lithium chloride to produce a scintillator with 0.40% Li-6 is presented, including the performance of the scintillator in terms of its optical…

Instrumentation and Detectors · Physics 2013-04-23 C. D. Bass , E. J. Beise , H. Breuer , C. R. Heimbach , T. Langford , J. S. Nico

The neutron background spectrum from thermal neutron to 20 MeV fast neutron was measured at the first experimental hall of China Jinping underground laboratory with a Bonner multi-sphere spectrometer. The measurement system was validated by…

Instrumentation and Detectors · Physics 2017-04-26 Qingdong Hu , Hao Ma , Zhi Zeng , Jianping Cheng , Yunhua Chen , Shenming He , Junli Li , Manbin Shen , Shiyong Wu , Qian Yue , Jianfeng Yue , Hui Zhang

The influence of fast neutrons on the occupancy and the single tube resolution of ATLAS muon drift detectors was investigated by exposing a chamber built out of 3 layers of 3 short standard drift tubes to neutron flux-densities of up to 16…

Instrumentation and Detectors · Physics 2016-11-18 T. Mueller , A. Mlynek , O. Biebel , R. Hertenberger , T. Nunnemann , D. Merkl , F. Rauscher , D. Schaile , R. Stroehmer

The design of a low-power prototype of neutron amplifier recently proposed within the INFN-E project indicated the need for more accurate called for detailed data on the neutron yield produced by a proton beam with energy of about 70 MeV…

Threshold activation reaction rates in 12C, 19F, 27Al, 59Co, 63Cu, 65Cu, 64Zn, 93Nb, 115In, 169Tm, 181Ta, 197Au, and 209Bi experimental samples placed along the axis inside and outside the 0.8 GeV proton-irradiated 92-cm thick W-Na and 4-cm…

Dosimetry cross sections are fundamental quantities essential in determination of neutron fluences in points of interest in technologies under heavy radiation load. The most common is their application to Reactor Pressure Vessel aging…