Results 1 to 10 of about 7,472 (207)

Fourth-Order Adjoint Sensitivity and Uncertainty Analysis of an OECD/NEA Reactor Physics Benchmark: II. Computed Response Uncertainties

Journal of Nuclear Engineering, 2022
This work quantifies the impact of the most important 4th-order sensitivities of the leakage response of a polyethylene-reflected plutonium (PERP) reactor physics benchmark with respect to the benchmark’s 180 group-averaged microscopic total cross ...
Ruixian Fang, Dan Gabriel Cacuci
doaj   +1 more source

Comprehensive Second-Order Adjoint Sensitivity Analysis Methodology (2nd-ASAM) Applied to a Subcritical Experimental Reactor Physics Benchmark: IV. Effects of Imprecisely Known Source Parameters

Energies, 2020
By applying the Second-Order Adjoint Sensitivity Analysis Methodology (2nd-ASAM) to the polyethylene-reflected plutonium (PERP) benchmark, this work presents results for the first- and second-order sensitivities of this benchmark’s leakage response
Ruixian Fang, Dan Gabriel Cacuci
doaj   +1 more source

Comprehensive Second-Order Adjoint Sensitivity Analysis Methodology (2nd-ASAM) Applied to a Subcritical Experimental Reactor Physics Benchmark. VI: Overall Impact of 1st- and 2nd-Order Sensitivities on Response Uncertainties

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

Detection and extraction of signals from the epoch of reionization using higher-order one-point statistics [PDF]

, 2009
Detecting redshifted 21-cm emission from neutral hydrogen in the early Universe promises to give direct constraints on the epoch of reionization (EoR).
A. G. de Bruyn, Andreas H. Pawlik, Barkana, Barkana, Benedetta Ciardi, Benson, Bharadwaj, Bromm, Ciardi, Ciardi, Ciardi, Datta, Di Matteo, Dunkley, Evrard, Fan, Field, Field, Furlanetto, Furlanetto, Furlanetto, Garrelt Mellema, Geraint J. A. Harker, Gianni Bernardi, Gleser, Gleser, Hogan, Ilian T. Iliev, Iliev, Iliev, Jelić, Jenkins, Joop Schaye, Kaiser, Kumar, Leon V. E. Koopmans, Lidz, Loeb, Madau, Mellema, Mellema, Merz, Michiel A. Brentjens, Morales, Morales, Oh, Panagiotis Labropoulos, Peebles, Pen, Press, Pritchard, Rajat M. Thomas, Saleem Zaroubi, Sarod Yatawatta, Scott, Sethi, Shaver, Spergel, Springel, Springel, Thomas, Thomas, V. N. Pandey, Valdés, Vibor Jelić, Zaldarriaga, Zaroubi, Zaroubi   +67 more
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Cosmological 21cm experiments: Searching for a needle in a haystack [PDF]

, 2010
There are several planned and ongoing experiments designed to explore the Epoch of Reionization (EoR), the pivotal period during which the gas in the intergalactic medium went from being entirely neutral to almost entirely ionized. These experiments will
Jelic, Vibor
core   +4 more sources

Comprehensive Second-Order Adjoint Sensitivity Analysis Methodology (2nd-ASAM) Applied to a Subcritical Experimental Reactor Physics Benchmark: III. Effects of Imprecisely Known Microscopic Fission Cross Sections and Average Number of Neutrons per Fission

Energies, 2019
The Second-Order Adjoint Sensitivity Analysis Methodology (2nd-ASAM) is applied to compute the first-order and second-order sensitivities of the leakage response of a polyethylene-reflected plutonium (PERP) experimental system with respect to the ...
D. G. Cacuci, R. Fang, J. A. Favorite, M. C. Badea, F. Di Rocco   +4 more
doaj   +1 more source

Comprehensive Second-Order Adjoint Sensitivity Analysis Methodology (2nd-ASAM) Applied to a Subcritical Experimental Reactor Physics Benchmark: II. Effects of Imprecisely Known Microscopic Scattering Cross Sections

Energies, 2019
This work continues the presentation commenced in Part I of the second-order sensitivity analysis of nuclear data of a polyethylene-reflected plutonium (PERP) benchmark using the Second-Order Adjoint Sensitivity Analysis Methodology (2nd-ASAM). This work
Ruixian Fang, Dan Gabriel Cacuci
doaj   +1 more source

Non-parametric regression analysis of diuron and gabapentin degradation in Lake Constance water by ozonation and their toxicity assessment [PDF]

, 2019
Ozone possesses high selectivity in the oxidation of organic pollutants. It actively reacts with electron donating participants which contain π bonds and non-protonated amines groups.
Goswami, Anuradha, Jiang, Jia-Qian, Petri, Michael   +2 more
core   +1 more source

Optimizing significance testing of astronomical forcing in cyclostratigraphy [PDF]

, 2017
Peer reviewedPublisher ...
Carver, Carver, David B. Kemp, Gradstein, Guyodo, Hasselmann, Hays, Herbert, Hilgen, Hinnov, Huybers, Huybers, Huybers, Kemp, Laskar, Laurin, Mann, Meyers, Meyers, Meyers, Meyers, Meyers, Mix, Moore, Mudelsee, Mudelsee, Mudge, Pelletier, Pälike, Rhines, Sadler, Sadler, Schiffelbein, Suan, Taylor Perron, Thompson, Tipper, Vaughan, Waltham, Wasserstein, Weedon, Wu, Wunsch, Wunsch, Zachos, Zeeden   +45 more
core   +1 more source