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Description
  • The neutron flux of the n_TOF facility at CERN was measured, after installation of the new spallation target, with four different systems based on three neutron-converting reactions, which represent accepted cross sections standards in different energy regions. A careful comparison and combination of the different measurements allowed us to reach an unprecedented accuracy on the energy dependence of the neutron flux in the very wide range (thermal to 1 GeV) that characterizes the n_TOF neutron beam. This is a pre-requisite for the high accuracy of cross section measurements at n_TOF. An unexpected anomaly in the neutron-induced fission cross section of U-235 is observed in the energy region between 10 and 30keV, hinting at a possible overestimation of this important cross section, well above currently assigned uncertainties.
  • The neutron flux of the n_TOF facility at CERN was measured, after installation of the new spallation target, with four different systems based on three neutron-converting reactions, which represent accepted cross sections standards in different energy regions. A careful comparison and combination of the different measurements allowed us to reach an unprecedented accuracy on the energy dependence of the neutron flux in the very wide range (thermal to 1 GeV) that characterizes the n_TOF neutron beam. This is a pre-requisite for the high accuracy of cross section measurements at n_TOF. An unexpected anomaly in the neutron-induced fission cross section of U-235 is observed in the energy region between 10 and 30keV, hinting at a possible overestimation of this important cross section, well above currently assigned uncertainties. (en)
Title
  • High-accuracy determination of the neutron flux at n_TOF
  • High-accuracy determination of the neutron flux at n_TOF (en)
skos:prefLabel
  • High-accuracy determination of the neutron flux at n_TOF
  • High-accuracy determination of the neutron flux at n_TOF (en)
skos:notation
  • RIV/00216208:11320/13:10190534!RIV14-MSM-11320___
http://linked.open...avai/predkladatel
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, P(LG13031), Z(MSM0021620859)
http://linked.open...iv/cisloPeriodika
  • 12
http://linked.open...vai/riv/dodaniDat
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  • 77378
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11320/13:10190534
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • beam; science; standards; cern; facility (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV
  • [E821E8C6A86A]
http://linked.open...i/riv/nazevZdroje
  • European Physical Journal A
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
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http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 49
http://linked.open...iv/tvurceVysledku
  • Becares, V.
  • Bečvář, František
  • Cano-Ott, D.
  • Guerrero, C.
  • Krtička, Milan
  • Kroll, Jiří
  • Andriamonje, S.
  • Calviani, M.
  • Chiaveri, E.
  • Audouin, L.
  • Andrzejewski, J.
  • Barbagallo, M.
  • Belloni, F.
  • Colonna, N.
  • Tarrio, D.
  • Brugger, M.
  • Domingo-Pardo, C.
  • Bosnar, D.
  • Berthoumieux, E.
  • Calvino, F.
  • Carrapico, C.
  • Cortes, G.
  • Cerutti, F.
  • Valenta, Stanislav
  • Billowes, J.
  • Chin, M.
  • Cortes-Giraldo, M. A.
  • Diakaki, M.
  • Duran, I.
  • Altstadt, S.
  • Boccone, V.
  • Dressler, R.
  • Tsinganis, A.
http://linked.open...ain/vavai/riv/wos
  • 000328351000001
http://linked.open...n/vavai/riv/zamer
issn
  • 1434-6001
number of pages
http://bibframe.org/vocab/doi
  • 10.1140/epja/i2013-13156-x
http://localhost/t...ganizacniJednotka
  • 11320
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