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Journal Articles

Measurement of $$^{73}$$Ge(n,$$gamma$$) cross sections and implications for stellar nucleosynthesis

Lederer-Woods, C.*; Battino, U.*; Ferreira, P.*; Gawlik, A.*; Kimura, Atsushi; n_TOF Collaboration*; 128 of others*

Physics Letters B, 790, p.458 - 465, 2019/03

 Times Cited Count:12 Percentile:77.09(Astronomy & Astrophysics)

Journal Articles

Cross section measurements of $$^{155,157}$$Gd(n,$$gamma$$) induced by thermal and epithermal neutrons

Mastromarco, M.*; Manna, A.*; Aberle, O.*; Andrzejewski, J.*; Harada, Hideo; Kimura, Atsushi; n_TOF Collaboration*; 116 of others*

European Physical Journal A, 55(1), p.9_1 - 9_20, 2019/01

 Times Cited Count:27 Percentile:92.58(Physics, Nuclear)

Journal Articles

$$^7$$Be(n,p)$$^7$$Li reaction and the cosmological lithium problem; Measurement of the cross section in a wide energy range at n_TOF at CERN

Damone, L.*; Barbagallo, M.*; Mastromarco, M.*; Cosentino, L.*; Harada, Hideo; Kimura, Atsushi; n_TOF Collaboration*; 152 of others*

Physical Review Letters, 121(4), p.042701_1 - 042701_7, 2018/07

 Times Cited Count:50 Percentile:91.96(Physics, Multidisciplinary)

Journal Articles

Experimental setup and procedure for the measurement of the $$^7$$Be(n,p)$$^7$$Li reaction at n_TOF

Barbagallo, M.*; Andrzejewski, J.*; Mastromarco, M.*; Perkowski, J.*; Damone, L. A.*; Gawlik, A.*; Kimura, Atsushi; n_TOF Collaboration*; 122 of others*

Nuclear Instruments and Methods in Physics Research A, 887, p.27 - 33, 2018/04

 Times Cited Count:13 Percentile:79.66(Instruments & Instrumentation)

Journal Articles

Radiative neutron capture on $$^{242}$$Pu in the resonance region at the CERN n_TOF-EAR1 facility

Lerendegui-Marco, J.*; Guerrero, C.*; Mendoza, E.*; Quesada, J. M.*; Eberhardt, K.*; Junghans, A. R.*; Kimura, Atsushi; n_TOF Collaboration*; 126 of others*

Physical Review C, 97(2), p.024605_1 - 024605_21, 2018/02

 Times Cited Count:20 Percentile:84.5(Physics, Nuclear)

Journal Articles

Characterization of the n_TOF EAR-2 neutron beam

Chen, Y. H.*; Tassan-Got, L.*; Harada, Hideo; Kimura, Atsushi; n_TOF Collaboration*; 130 of others*

EPJ Web of Conferences, 146, p.03020_1 - 03020_4, 2017/09

 Times Cited Count:1 Percentile:61.21(Nuclear Science & Technology)

The experimental area 2 (EAR-2) at CERNs neutron time-of-flight facility (n_TOF), which is operational since 2014, is designed and built as a short-distance complement to the experimental area 1 (EAR-1). The Parallel Plate Avalanche Counter (PPAC) monitor experiment was performed to characterize the beam profile and the shape of the neutron flux at EAR-2. The prompt $$gamma$$-flash which is used for calibrating the time-of-flight at EAR-1 is not seen by PPAC at EAR-2, shedding light on the physical origin of this $$gamma$$-flash.

Journal Articles

The $$^{33}$$S(n, $$alpha$$)$$^{30}$$Si cross section measurement at n_TOF-EAR2 (CERN); From 0.01 eV to the resonance region

Sabat$'e$-Gilarte, M.*; Praena, J.*; Harada, Hideo; Kimura, Atsushi; n_TOF Collaboration*; 126 of others*

EPJ Web of Conferences, 146, p.08004_1 - 08004_4, 2017/09

 Times Cited Count:3 Percentile:86.43(Nuclear Science & Technology)

The $$^{33}$$S(n, $$alpha$$)$$^{30}$$Si cross section measurement, using $$^{10}$$B(n,$$alpha$$) as reference, at the n_TOF. Experimental Area 2 (EAR2) facility at CERN is presented. Data from 0.01 eV to 100 keV are provided and, for the first time, the cross section is measured in the range from 0.01 eV to 10 keV. The $$^{33}$$S(n, $$alpha$$)$$^{30}$$Si reaction is of interest in medical physics because of its possible use as a cooperative target to boron in Neutron Capture Therapy (NCT).

Journal Articles

Dissemination of data measured at the CERN n_TOF facility

Dupont, E.*; Otsuka, Naohiko*; Harada, Hideo; Kimura, Atsushi; n_TOF Collaboration*; 224 of others*

EPJ Web of Conferences, 146, p.07002_1 - 07002_4, 2017/09

 Times Cited Count:4 Percentile:90.81(Nuclear Science & Technology)

The n_TOF neutron time-of-flight facility at CERN is used for high quality nuclear data measurements from thermal energy up to hundreds of MeV. In line with the CERN open data policy, the n_TOF Collaboration takes actions to preserve its unique data, facilitate access to them in standardised format, and allow their re-use by a wide community in the fields of nuclear physics, nuclear astrophysics and various nuclear technologies. The present contribution briefly describes the n_TOF outcomes, as well as the status of dissemination and preservation of n_TOF final data in the international EXFOR library.

Journal Articles

New measurement of the $$^{242}$$Pu(n, $$gamma$$) cross section at n_TOF-EAR1 for MOX fuels; Preliminary results in the RRR

Lerendegui-Marco, J.*; Guerrero, C.*; Harada, Hideo; Kimura, Atsushi; n_TOF Collaboration*; 115 of others*

EPJ Web of Conferences, 146, p.11045_1 - 11045_4, 2017/09

 Times Cited Count:1 Percentile:61.21(Nuclear Science & Technology)

The use of MOX fuels in thermal and fast reactors requires accurate capture and fission cross sections. For the particular case of $$^{242}$$Pu, the previous neutron capture cross section measurements were made in the 70's, providing an uncertainty of about 35% in the keV region. NEA WPEC-26 reports that the capture cross section of $$^{242}$$ Pu should be measured with an accuracy of at least 7-12% in the neutron energy range between 500 eV and 500 keV. This work presents a brief description of the measurement performed at n_TOF-EAR1, the data reduction process and the first ToF capture measurement on this isotope in the last 40 years, providing preliminary individual resonance parameters, as well as a preliminary set of average resonance parameters.

Journal Articles

The Measurement programme at the neutron time-of-flight facility n_TOF at CERN

Gunsing, F.*; Aberle, O.*; Harada, Hideo; Kimura, Atsushi; n_TOF Collaboration*; 147 of others*

EPJ Web of Conferences, 146, p.11002_1 - 11002_6, 2017/09

 Times Cited Count:4 Percentile:90.81(Nuclear Science & Technology)

CERN's neutron time-of-flight facility n_TOF has produced a considerable amount of experimental data since it has become fully operational with the start of its scientific measurement programme in 2001. While for a long period a single measurement station (EAR1) located at 185 m from the neutron production target was available, the construction of a second beam line at 20 m (EAR2) in 2014 has substantially increased the measurement capabilities of the facility. An outline of the experimental nuclear data activities at n_TOF is presented.

Journal Articles

Measurement of the $$^{240}$$Pu(n,f) cross-section at the CERN n_TOF facility; First results from experimental area II (EAR-2)

Stamatopoulos, A.*; Tsinganis, A.*; Colonna, N.*; Harada, Hideo; Kimura, Atsushi; n_TOF Collaboration*; 126 of others*

EPJ Web of Conferences, 146, p.04030_1 - 04030_4, 2017/09

 Times Cited Count:6 Percentile:95.25(Nuclear Science & Technology)

Journal Articles

Monte Carlo simulations of the n_TOF lead spallation target with the Geant4 toolkit; A Benchmark study

Lerendegui-Marco, J.*; Cort$'e$s-Giraldo, M. A.*; Guerrero, C.*; Harada, Hideo; Kimura, Atsushi; n_TOF Collaboration*; 114 of others*

EPJ Web of Conferences, 146, p.03030_1 - 03030_4, 2017/09

 Times Cited Count:0 Percentile:0.08(Nuclear Science & Technology)

Journal Articles

$$^7$$Be(n,$$alpha$$) and $$^7$$Be(n,p) cross-section measurement for the cosmological lithium problem at the n_TOF facility at CERN

Barbagallo, M.*; Colonna, N.*; Aberle, O.*; Harada, Hideo; Kimura, Atsushi; n_TOF Collaboration*; 125 of others*

EPJ Web of Conferences, 146, p.01012_1 - 01012_4, 2017/09

 Times Cited Count:1 Percentile:61.21(Nuclear Science & Technology)

Journal Articles

The n_TOF facility; Neutron beams for challenging future measurements at CERN

Chiaveri, E.*; Aberle, O.*; Andrzejewski, J.*; Harada, Hideo; Kimura, Atsushi; n_TOF Collaboration*; 111 of others*

EPJ Web of Conferences, 146, p.03001_1 - 03001_4, 2017/09

 Times Cited Count:1 Percentile:61.21(Nuclear Science & Technology)

Journal Articles

Time-of-flight and activation experiments on $$^{147}$$Pm and $$^{171}$$Tm for astrophysics

Guerrero, C.*; Lerendegui-Marco, J.*; Domingo-Pardo, C.*; Harada, Hideo; Kimura, Atsushi; n_TOF Collaboration*; 113 of others*

EPJ Web of Conferences, 146, p.01007_1 - 01007_4, 2017/09

 Times Cited Count:1 Percentile:61.21(Nuclear Science & Technology)

Journal Articles

Nuclear data activities at the n_TOF facility at CERN

Gunsing, F.*; Harada, Hideo; Kimura, Atsushi; n_TOF Collaboration*; 141 of others*

European Physical Journal Plus (Internet), 131(10), p.371_1 - 371_13, 2016/10

 Times Cited Count:29 Percentile:59.61(Physics, Multidisciplinary)

Journal Articles

$$^{7}$$Be($$n, alpha)^{4}$$He reaction and the cosmological lithium problem; Measurement of the cross section in a wide energy range at n_TOF at CERN

Barbagallo, M.*; Musumarra, A.*; Cosentino, L.*; Maugeri, E.*; Heinitz, S.*; Mengoni, A.*; Dressler, R.*; Schumann, D.*; K$"a$ppeler, F.*; Harada, Hideo; et al.

Physical Review Letters, 117(15), p.152701_1 - 152701_7, 2016/10

 Times Cited Count:83 Percentile:94.75(Physics, Multidisciplinary)

Journal Articles

Experimental setup and procedure for the measurement of the $$^{7}$$Be(n, $$alpha$$)$$alpha$$ reaction at n_TOF

Cosentino, L.*; Musumarra, A.*; Barbagallo, M.*; Pappalardo, A.*; Harada, Hideo; Kimura, Atsushi; n_TOF Collaboration*; 126 of others*

Nuclear Instruments and Methods in Physics Research A, 830, p.197 - 205, 2016/09

 Times Cited Count:19 Percentile:86.84(Instruments & Instrumentation)

Journal Articles

The New vertical neutron beam line at the CERN n_TOF facility design and outlook on the performance

Wei${ss}$, C.*; Chiaveri, E.*; Girod, S.*; Vlachoudis, V.*; Harada, Hideo; Kimura, Atsushi; n_TOF Collaboration*; 126 of others*

Nuclear Instruments and Methods in Physics Research A, 799, p.90 - 98, 2015/11

 Times Cited Count:76 Percentile:99.02(Instruments & Instrumentation)

Journal Articles

Measurements at n_TOF of the neutron capture cross section of minor actinides relevant to the nuclear waste transmutation

Cano-Ott, D.*; Abbondanno, U.*; Aerts, G.*; $'A$lvarez, H.*; $'A$lvarez-Velarde, F.*; Andriamonje, S.*; Andrzejewski, J.*; Assimakopoulos, P.*; Audouin, L.*; Badurek, G.*; et al.

AIP Conference Proceedings 769, p.1442 - 1445, 2005/05

Accurate and reliable neutron cross section data for actinides are necessary for the proper design, safety reguartion and precise performance assessment of transmutaion devices. In particular, the neutron capture cross sections of $$^{237}$$Np, $$^{240}$$Pu and $$^{243}$$Am play a key role in the design and optimization of a strategy for the Nuclear Waste Transmutation. The listed cross sections have been measured in 2004 at n_TOF with a high accuracy due to a combination of features unique in the world.

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