Results 11 to 20 of about 82,136 (272)

Conversion of electron spectrum associated with fission into the antineutrino spectrum [PDF]

Physical Review C, 2007
The accuracy of the procedure that converts the experimentally determined electron spectrum associated with fission of the nuclear fuels ^{235}U, ^{239}Pu, ^{241}Pu, and ^{238}U into the $\bar{\nu}_e$ spectrum is examined.
Vogel, Petr
core   +5 more sources

STEREO neutrino spectrum of 235U fission rejects sterile neutrino hypothesis

Nature, 2023
Anomalies in past neutrino measurements have led to the discovery that these particles have non-zero mass and oscillate between their three flavors when they propagate. In the 2010's, similar anomalies observed in the antineutrino spectra emitted by nuclear reactors have triggered the hypothesis of the existence of a supplementary neutrino state that ...
H. Almazán, L. Bernard, A. Blanchet, A. Bonhomme, C. Buck, A. Chalil, P. del Amo Sanchez, I. El Atmani, L. Labit, J. Lamblin, A. Letourneau, D. Lhuillier, M. Licciardi, M. Lindner, T. Materna, H. Pessard, J.-S. Réal, J.-S. Ricol, C. Roca, R. Rogly, T. Salagnac, V. Savu, S. Schoppmann, T. Soldner, A. Stutz, M. Vialat   +25 more
openaire   +7 more sources

Constraining the impact of chlorine as a neutron absorber in next-gen fast reactor designs [PDF]

Scientific Reports
The role of chlorine as a neutron poison and as a seed for producing radioactive waste in nuclear systems has driven a renewed interest to improve its nuclear data uncertainties.
K. Hanselman, I. J. Allan, S. A. Kuvin, T. Kawano, N. Kleedtke, H. Y. Lee, S. N. Paneru, N. Thompson, J. Winkelbauer, T. Cisneros, B. Harper, M. Wargon   +11 more
doaj   +2 more sources

Digital spectrometer for prompt fission neutron spectrum measurements [PDF]

EPJ Web of Conferences, 2017
This paper presents a digital neutron spectrometer based on simultaneous digitizing of the signals from the fission chamber and a scintillation detector. The scintillation detector is based on stilbene crystal.
Prusachenko Pavel, Bondarenko Ivan, Ketlerov Vladimir, Khryachkov Vitaly, Poryvaev Vladislav   +4 more
doaj   +2 more sources

Spectral averaged cross sections as a probe to a high energy tail of 235U PFNS [PDF]

EPJ Web of Conferences, 2023
The systematic evaluations of spectrum averaged cross sections of dosimetric reactions over a broad range of energies were performed in 252Cf (spontaneous fission) and 235U(nth,f) neutron fields.
Schulc Martin, Kostal Michal, Capote Roberto, Simon Jan, Czakoj Tomas, Novak Evzen   +5 more
doaj   +1 more source

Observations of poorly-known features of the 239Pu and 235U prompt fission neutron spectra [PDF]

EPJ Web of Conferences, 2020
Prompt fission neutron spectrum (PFNS) evaluations use provide nuclear data for the PFNS across a wide range of incident and outgoing neutron energies.
Kelly Keegan J., Gomez Jaime A., O'Donnell John M., Devlin Matthew, Haight Robert C., Taddeucci Terry N., Mosby Shea M., Lee Hye Young, Neudecker Denise, Kawano Toshihiko, Lovell Amy E., Talou Patrick, White Morgan C, Ching-Yen Wu, Henderson Roger A., Henderson Jack, Buckner Matthew Q.   +16 more
doaj   +1 more source

Monte-Carlo calculation of fission process for neutron-induced typical actinide nuclei fission [PDF]

EPJ Web of Conferences, 2020
A global potential-driving model with well-determined parameters is proposed by uniting the empirical asymmetric fission potential and the empirical symmetric fission potential, which can precisely calculate the pre-neutron-emission mass distributions ...
Wei Zheng, Liu Changqi, Han Chao, Yao Zeen, Zhang Yu, Wang Junrun, Lu Xiaolong, Su Xiaodong, Xu Dapeng   +8 more
doaj   +1 more source

The study of prompt fission γ rays at the Oslo Cyclotron Laboratory [PDF]

EPJ Web of Conferences, 2021
The study of prompt fission γ rays (PFGs) is crucial for understanding the energy and angular momentum distribution in fission, and over the last decade there has been an revived interest in this aspect of fission.
Gjestvang D., Siem S., Zeiser F., Randrup J., Vogt R., Bello-Garrote F., Bernstein L.A., Bleuel D.L., Guttormsen M., Görgen A., Larsen A.C., Malatji K.L., Matthews E., Modamio V., Oberstedt A., Oberstedt S., Tornyi T., Tveten G., Voyles A., Wilson J.   +19 more
doaj   +1 more source

Calibration of CFUL01 fission chambers in the standard neutron fields of the BR1 reactor at SCK CEN [PDF]

EPJ Web of Conferences, 2021
Recent subcritical VENUS-F experiments showed that fission chambers with a threshold deposit like U-238 can essentially improve the on-line sub-criticality measurments with the beam interruption method, which is currently supposed to be the main method ...
Kochetkov Anatoly, Krása Antonín, Borms Luc, Malambu Edouard, Vittiglio Guido, Wagemans Jan, Willems Jeroen   +6 more
doaj   +1 more source

Comprehensive Second-Order Adjoint Sensitivity Analysis Methodology (2nd-ASAM) Applied to a Subcritical Experimental Reactor Physics Benchmark: V. Computation of Mixed 2nd-Order Sensitivities Involving Isotopic Number Densities

Energies, 2020
This work applies the Second-Order Adjoint Sensitivity Analysis Methodology (2nd-ASAM) to compute the mixed 2nd-order sensitivities of a polyethylene-reflected plutonium (PERP) benchmark’s leakage response with respect to the benchmark’s imprecisely ...
Ruixian Fang, Dan G. Cacuci
doaj   +1 more source