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High-accuracy determination of the neutron flux at n_TOF

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

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...[Show more]

dc.contributor.authorBarbagallo, M.
dc.contributor.authorGuerrero, C.
dc.contributor.authorTsinganis, A.
dc.contributor.authorTarrío, D.
dc.contributor.authorAltstadt, S
dc.contributor.authorAndriamonje, S.
dc.contributor.authorAndrzejewski, J.
dc.contributor.authorAudouin, L.
dc.contributor.authorBécares, V.
dc.contributor.authorBečvář, F.
dc.contributor.authorBelloni, F.
dc.contributor.authorVaz, P.
dc.contributor.authorVentura, A.
dc.contributor.authorVersaci, R.
dc.contributor.authorVermeulen, M. J.
dc.contributor.authorVlachoudis, V.
dc.contributor.authorVlastou, R.
dc.contributor.authorWallner, A.
dc.contributor.authorWare, T.
dc.contributor.authorWeigand, M.
dc.contributor.authorWeiß, C.
dc.contributor.authorBerthoumieux, E.
dc.contributor.authorWright, T.
dc.contributor.authorŽugec, P.
dc.contributor.authorBillowes, J.
dc.contributor.authorBoccone, V.
dc.contributor.authorBosnar, D.
dc.contributor.authorBrugger, M.
dc.contributor.authorCalviani, M.
dc.contributor.authorCalviño, F.
dc.contributor.authorCano-Ott, D.
dc.contributor.authorCarrapiço, C.
dc.contributor.authorCerutti, F.
dc.contributor.authorChiaveri, E.
dc.contributor.authorChin, M.
dc.contributor.authorColonna, N.
dc.contributor.authorCortés, G.
dc.contributor.authorCortés-Giraldo, M. A.
dc.contributor.authorDiakaki, M.
dc.contributor.authorDomingo-Pardo, C.
dc.contributor.authorDuran, I.
dc.contributor.authorDressler, R.
dc.contributor.authorDzysiuk, N.
dc.contributor.authorEleftheriadis, C.
dc.contributor.authorFerrari, A.
dc.contributor.authorFraval, K.
dc.contributor.authorGanesan, S.
dc.contributor.authorGarcía, A. R.
dc.contributor.authorGiubrone, G.
dc.contributor.authorGöbel, K.
dc.contributor.authorGómez-Hornillos, M. B.
dc.contributor.authorGonçalves, I. F.
dc.contributor.authorGonzález-Romero, E.
dc.contributor.authorGriesmayer, E.
dc.contributor.authorGunsing, F.
dc.contributor.authorGurusamy, P.
dc.contributor.authorHernández-Prieto, A.
dc.contributor.authorJenkins, D. G.
dc.contributor.authorJericha, E.
dc.contributor.authorKadi, Y.
dc.contributor.authorKäppeler, F.
dc.contributor.authorKaradimos, D.
dc.contributor.authorKivel, N.
dc.contributor.authorKoehler, P.
dc.contributor.authorKokkoris, M.
dc.contributor.authorKrtička, M.
dc.contributor.authorKroll, J.
dc.contributor.authorLampoudis, C.
dc.contributor.authorLanger, C.
dc.contributor.authorLeal-Cidoncha, E.
dc.contributor.authorLederer, C.
dc.contributor.authorLeeb, H.
dc.contributor.authorLeong, L. S.
dc.contributor.authorLosito, R.
dc.contributor.authorManousos, A.
dc.contributor.authorMarganiec, J.
dc.contributor.authorMartınez, T.
dc.contributor.authorMassimi, C.
dc.contributor.authorMastinu, P. F.
dc.contributor.authorMastromarco, M.
dc.contributor.authorMeaze, M.
dc.contributor.authorMendoza, E.
dc.contributor.authorMengoni, A.
dc.contributor.authorMilazzo, P. M.
dc.contributor.authorMingrone, F.
dc.contributor.authorMirea, M.
dc.contributor.authorMondalaers, W.
dc.contributor.authorPapaevangelou, T.
dc.contributor.authorParadela, C.
dc.contributor.authorPavlik, A.
dc.contributor.authorPerkowski, J.
dc.contributor.authorPlompen, A.
dc.contributor.authorPraena, J.
dc.contributor.authorQuesada, J. M.
dc.contributor.authorRauscher, T.
dc.contributor.authorReifarth, R.
dc.contributor.authorRiego, A.
dc.contributor.authorRoman, F.
dc.contributor.authorRubbia, C.
dc.contributor.authorSabate-Gilarte, M.
dc.contributor.authorSarmento, R.
dc.contributor.authorSaxena, A.
dc.contributor.authorSchillebeeckx, P.
dc.contributor.authorSchmidt, S.
dc.contributor.authorSchumann, D.
dc.contributor.authorSteinegger, P.
dc.contributor.authorTagliente, G.
dc.contributor.authorTain, J. L.
dc.contributor.authorTassan-Got, L.
dc.contributor.authorValenta, S.
dc.contributor.authorVannini, G.
dc.contributor.authorVariale, V.
dc.date.accessioned2016-04-15T04:10:04Z
dc.date.available2016-04-15T04:10:04Z
dc.identifier.issn1434-6001
dc.identifier.urihttp://hdl.handle.net/1885/101036
dc.description.abstractThe 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 ²³⁵U is observed in the energy region between 10 and 30 keV, hinting at a possible overestimation of this important cross section, well above currently assigned uncertainties.
dc.description.sponsorshipThe authors are indebted to the national and international funding agencies that have supported the n TOF Collaboration. This work is also supported by the European Commission with the FP7 project ANDES (FP7-249671). Furthermore, the measurements with the PTB detector would not have been possible without the support from the PhysikalischTechnische Bundesanstalt Institute, particularly from Ralf Nolte and Marita Mosconi who helped in installing and using the detector at n TOF.
dc.format11 pages
dc.publisherSpringer Verlag
dc.rights© Società Italiana di Fisica / Springer-Verlag 2013
dc.sourceThe European Physical Journal A
dc.titleHigh-accuracy determination of the neutron flux at n_TOF
dc.typeJournal article
local.description.notesImported from ARIES. At the time of publication the author Wallner was affiliated with University of Vienna.
local.identifier.citationvolume49
dc.date.issued2013
local.identifier.absfor020202
local.identifier.ariespublicationu4155331xPUB499
local.publisher.urlhttp://link.springer.com/
local.type.statusPublished Version
local.contributor.affiliationBarbagallo, M, Istituto Nazionale di Fisica Nucleare, Italy
local.contributor.affiliationGuerrero, C, European Organization for Nuclear Research (CERN), Switzerland
local.contributor.affiliationTsinganis, A., European Organization for Nuclear Research (CERN), Switzerland
local.contributor.affiliationTarrio, D., Universidade de Santiago de Compostela, Spain
local.contributor.affiliationAltstadt, S., Johann-Wolfgang-Goethe Universitat, Germany
local.contributor.affiliationAndriamonje, S., European Organization for Nuclear Research (CERN), Switzerland
local.contributor.affiliationAndrzejewski, J., University of Lodz, Poland
local.contributor.affiliationAudouin, L, Centre National de la Recherche Scientifique, France
local.contributor.affiliationBecares, V, Centro de Investigaciones Energeticas Medioambientales y Tecnologicas, Spain
local.contributor.affiliationBecvar, F, Charles University, Czech Republic
local.contributor.affiliationWallner, Anton, College of Physical and Mathematical Sciences, CPMS Research School of Physics and Engineering, Department of Nuclear Physics, The Australian National University
local.bibliographicCitation.issue12
local.bibliographicCitation.startpage156
local.identifier.doi10.1140/epja/i2013-13156-x
dc.date.updated2016-06-14T08:59:11Z
local.identifier.scopusID2-s2.0-84891519617
local.identifier.thomsonID000328351000001
CollectionsANU Research Publications

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