Zobrazeno 1 - 10
of 445
pro vyhledávání: '"O'DONNELL, J. M."'
Autor:
Marini, P., Taieb, J., Neudecker, D., Bélier, G., Chatillon, A., Etasse, D., Laurent, B., Morfouace, P., Morillon, B., Devlin, M., Gomez, J. A., Haight, R. C., Kelly, K. J., O'Donnell, J. M.
Accurate multiplicities of prompt fission neutrons emitted in neutron-induced fission on a large energy range are essential for fundamental and applied nuclear physics. Measuring them to high precision for radioactive fissioning nuclides remains, how
Externí odkaz:
http://arxiv.org/abs/2109.14330
Autor:
Marini P., Taieb J., Neudecker D., Bélier G., Chatillon A., Etasse D., Laurent B., Morfouace P., Morillon B., Devlin M., Gomez J. A., Haight R. C., Kelly K. J., O’Donnell J. M.
Publikováno v:
EPJ Web of Conferences, Vol 294, p 02002 (2024)
Accurate multiplicities of prompt fission neutrons emitted in neutron-induced fission on a large energy range are essential for fundamental and applied nuclear physics. Measuring them to high precision for radioactive fissioning nuclides is, however,
Externí odkaz:
https://doaj.org/article/02aa9d872a94481cad41228381427b9d
Autor:
O'Donnell, J. M.
Publikováno v:
Nuclear Instruments and Methods in Physics Research A805 (2016) 87--94
A new method for measuring chance-coincidence backgrounds during the collection of coincidence data is presented. The method relies on acquiring data with near-zero dead time, which is now realistic due to the increasing deployment of flash electroni
Externí odkaz:
http://arxiv.org/abs/1611.06240
Autor:
Weigand, M., Bredeweg, T. A., Couture, A., Göbel, K., Heftrich, T., Jandel, M., Käppeler, F., Lederer, C., Kivel, N., Korschinek, G., Krticka, M., O'Donnell, J. M., Ostermöller, J., Plag, R., Reifarth, R., Schumann, D., Ullmann, J. L., Wallner, A.
Publikováno v:
Physical Review C 92, 045810 (2015)
The neutron capture cross section of the s-process branch nucleus $^{63}$Ni affects the abundances of other nuclei in its region, especially $^{63}$Cu and $^{64}$Zn. In order to determine the energy dependent neutron capture cross section in the astr
Externí odkaz:
http://arxiv.org/abs/1512.02263
Autor:
Marini, P., Taieb, J., Neudecker, D., Bélier, G., Chatillon, A., Etasse, D., Laurent, B., Morfouace, P., Morillon, B., Devlin, M., Gomez, J. A., Haight, R. C., Kelly, K. J., O'Donnell, J. M.
Publikováno v:
EPJ Web of Conferences; 4/17/2024, Vol. 294, p1-5, 5p
Autor:
Reifarth, R., Bredeweg, T. A., Alpizar-Vicente, A., Browne, J. C., Esch, E. -I., Greife, U., Haight, R. C., Hatarik, R., Kronenberg, A., O'Donnell, J. M., Rundberg, R. S., Ullmann, J. L., Vieira, D. J., Wilhelmy, J. B., Wouters, J. M.
Publikováno v:
Nuclear Instruments and Methods in Physics Research A 531 (2004) 530-543
In the commissioning phase of the DANCE project (Detector for Advanced Neutron Capture Experiments) measurements have been performed with special emphasis on the identification and suppression of possible backgrounds for the planned (n,g) experiments
Externí odkaz:
http://arxiv.org/abs/1310.1884
Autor:
MacMullin, S., Boswell, M., Devlin, M., Elliott, S. R., Fotiades, N., Guiseppe, V. E., Henning, R., Kawano, T., LaRoque, B. H., Nelson, R. O., O'Donnell, J. M.
Background: Neutron-induced reactions are a significant concern for experiments that require extremely low levels of radioactive backgrounds. Measurements of gamma-ray production cross sections over a wide energy range will help to predict and identi
Externí odkaz:
http://arxiv.org/abs/1210.1189
Autor:
MacMullin, S., Boswell, M., Devlin, M., Elliott, S. R., Fotiades, N., Guiseppe, V. E., Henning, R., Kawano, T., LaRoque, B. H., Nelson, R. O., O'Donnell, J. M.
Publikováno v:
Phys. Rev. C. 85, 064614 (2012)
Background: Neutron-induced backgrounds are a significant concern for experiments that require extremely low levels of radioactive backgrounds such as direct dark matter searches and neutrinoless double-beta decay experiments. Unmeasured neutron scat
Externí odkaz:
http://arxiv.org/abs/1202.2141
Autor:
Koehler, P. E., Reifarth, R., Ullmann, J. L., Bredeweg, T. A., O'Donnell, J. M., Rundberg, R. S., Vieira, D. J., Wouters, J. M.
We obtained total radiation widths of s-wave resonances through R-matrix analysis of 147Sm(n,gamma) cross-sections. Distributions of these widths differ markedly for resonances below and above 300 eV, in stark contrast to long-established theory. We
Externí odkaz:
http://arxiv.org/abs/1202.0244
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