The n_TOF Total Absorption Calorimeter for neutron capture measurements at CERN

Guerrero, C.; Abbondanno, U.; Aerts, G.; Álvarez, H.; Álvarez‐Velarde, F.; Andriamonje, S.; Andrzejewski, J.; Assimakopoulos, P.; Audouin, L.; Badurek, G.; Baumann, P.; Bečvář, F.; Berthoumieux, E.; Calviño, F.; Calviani, M.; Cano‐Ott, D.; Capote, R.; Carrapiço, C.; Cennini, P.; Chepel, V.; Chiaveri, E.; Colonna, N.; Cortés, G.; Couture, A.; Cox, James W.; Dahlfors, M.; David, S.; Dillmann, I.; Domingo‐Pardo, C.; Dridi, W.; Durán, I.; Eleftheriadis, C.; Ferrant, L.; Ferrari, A.; Ferreira‐Marques, R.; Fujii, K.; Furman, W.; Gonçalves, I. F.; González‐Romero, E.; Gramegna, F.; Gunsing, F.; Haas, Brian J.; Haight, R. C.; Heil, M.; Herrera-Martı́nez, A.; Igashira, M.; Jericha, E.; Käppeler, F.; Kadi, Y.; Karadimos, D.; Kerveno, M.; Koehler, P.; Kossionides, E.; Krtička, M.; Lampoudis, C.; Leeb, H.; Lindote, A.; Lopes, I.; Lozano, M.; Lukić, S.; Marganiec, J.; Marrone, S.; Martínez, T.; Massimi, C.; Mastinu, P.; Mendoza, E.; Mengoni, A.; Milazzo, Paolo; Moreau, C.; Mosconi, M.; Neves, F.; Oberhummer, H.; O’Brien, S.; Pancin, J.; Papachristodoulou, C.; Papadopoulos, C.; Paradela, C.; Patronis, N.; Pavlik, A.; Pavlopoulos, P.; Perrot, L.; Pigni, Marco T.; Plag, R.; Plompen, A.; Plukis, A.; Poch, A.; Praena, J.; Pretel, C.; Quesada, J.; Rauscher, T.; Reifarth, R.; Rubbia, C.; Rudolf, G.; Rullhusen, P.; Salgado, J.; Santos, C.; Sarchiapone, L.; Savvidis, I.; Stéphan, C.; Tagliente, G.; Taín, J. L.; Tassan‐Got, L.; Tavora, L.; Terlizzi, R.; Vannini, G.; Vaz, P.; Ventura, Alessandro; Villamarı́n, D.; Vicente, M. C.; Vlachoudis, V.; Vlastou, R.; Voß, F.; Walter, S.; Wiescher, M.; Wisshak, K.

doi:10.1016/j.nima.2009.07.025

Cited by 86 publications

(59 citation statements)

References 26 publications

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“…Two complementary setups for neutron capture measurements are used at n TOF, a 4π BaF 2 array [14] acting as a total absorption calorimeter (TAC) for the prompt capture γ rays and a pair of C 6 D 6 liquid scintillators. The present measurement was performed with the C 6 D 6 detectors because their faster response allows covering the complete energy range up to 1 MeV, whereas the longer recovery time after the γ flash is limiting the presently accessible energy range of the TAC below about 20 keV.…”

Section: Measurementmentioning

confidence: 99%

Au197(n,γ) cross section in the unresolved resonance region

Lederer¹,

Colonna²,

Domingo‐Pardo³

et al. 2011

Phys. Rev. C

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Section: Measurementmentioning

confidence: 99%

Au197(n,γ) cross section in the unresolved resonance region

Lederer¹,

Colonna²,

Domingo‐Pardo³

et al. 2011

Phys. Rev. C

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“…-The measurements of capture reactions on isotopes where the neutron scattering dominates over the capture channels are performed with specially built low neutron sensitivity C 6 D 6 detectors [7], basing the data analysis in the improved accuracy Pulse Height Weighting Technique [8]. -A higher performance in terms of efficiency, multiplicity and background rejection in neutron capture reactions is provided by the Total Absorption Calorimeter (TAC [9]), a 4 array made of 40 BaF 2 crystals. -In the case of fission reactions, the MicroMegas (MGAS [6]) is also a high performance detector.…”

Section: Detectors For Neutron Induced-reactionsmentioning

confidence: 99%

Review of the n_TOF experimental program for Reactor Applications

Guerrero

2013

EPJ Web of Conferences

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Abstract. The n_TOF facility at CERN is devoted mainly to the measurement of neutron-induced reaction cross section of interest for Nuclear Technologies, Astrophysics and Basic Physics. In particular, the list of measurements carried out during the 2 nd Phase of experiments n_TOF-Ph2 (2009-2012) includes a significant number of capture and fission experiments on actinides which are considered key for the further development of nuclear reactors. This contribution will contain a description of all these experiments, some of which will be discussed in detail. The future of the n_TOF facility will be also addressed; in particular, the new vertical neutron beam line with a flight path of only 20 m will be presented and the expected performance discussed in detail.

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“…This situation motivated a new measurement of the capture cross-section of 236 U at the CERN n TOF facility [2]. To reduce systematic uncertainties, the measurement was carried out with two independent detection techniques based on a Total Absorption Calorimeter [3] and a pair of C 6 D 6 detectors [4].…”

Section: Introductionmentioning

confidence: 99%

The ²³⁶U neutron capture cross-section measured at the n_TOF CERN facility

Mastromarco¹,

Barbagallo²,

Vermeulen³

et al. 2017

EPJ Web Conf.

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Abstract. The 236 U isotope plays an important role in nuclear systems, both for future and currently operating ones. The actual knowledge of the capture reaction of this isotope is satisfactory in the thermal region, but it is considered insufficient for Fast Reactor and ADS applications. For this reason the 236 U(n, γ ) reaction crosssection has been measured for the first time in the whole energy region from thermal energy up to 1 MeV at the n TOF facility with two different detection systems: an array of C 6 D 6 detectors, employing the total energy deposited method, and a 4π total absorption calorimeter (TAC), made of 40 BaF 2 crystals. The two n TOF data sets agree with each other within the statistical uncertainty in the Resolved Resonance Region up to 800 eV, while sizable differences (up to 20%) are found relative to the current evaluated data libraries.Moreover two new resonances have been found in the n TOF data. In the Unresolved Resonance Region up to 200 keV, the n TOF results show a reasonable agreement with previous measurements and evaluated data.

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The n_TOF Total Absorption Calorimeter for neutron capture measurements at CERN

Cited by 86 publications

References 26 publications

Au197(n,γ) cross section in the unresolved resonance region

Au197(n,γ) cross section in the unresolved resonance region

Review of the n_TOF experimental program for Reactor Applications

The ²³⁶U neutron capture cross-section measured at the n_TOF CERN facility

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Product

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About

The n_TOF Total Absorption Calorimeter for neutron capture measurements at CERN

Cited by 86 publications

References 26 publications

Au197(n,γ) cross section in the unresolved resonance region

Au197(n,γ) cross section in the unresolved resonance region

Review of the n_TOF experimental program for Reactor Applications

The 236U neutron capture cross-section measured at the n_TOF CERN facility

Contact Info

Product

Resources

About

The ²³⁶U neutron capture cross-section measured at the n_TOF CERN facility