Sökning: onr:"swepub:oai:research.chalmers.se:6a9b8d10-0251-4594-8cf5-26f16a8d4fa1" > High-precision prom...
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000 | 03211naa a2200469 4500 | |
001 | oai:research.chalmers.se:6a9b8d10-0251-4594-8cf5-26f16a8d4fa1 | |
003 | SwePub | |
008 | 171007s2014 | |||||||||||000 ||eng| | |
024 | 7 | a https://doi.org/10.1103/PhysRevC.90.0246182 DOI |
024 | 7 | a https://research.chalmers.se/publication/2033782 URI |
024 | 7 | a https://research.chalmers.se/publication/5056512 URI |
040 | a (SwePub)cth | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a art2 swepub-publicationtype |
072 | 7 | a ref2 swepub-contenttype |
100 | 1 | a Oberstedt, S.4 aut |
245 | 1 0 | a High-precision prompt-gamma-ray spectral data from the reaction Pu-241(n(th), f) |
264 | 1 | c 2014 |
338 | a electronic2 rdacarrier | |
520 | a In this paper we present results from the first high-precision prompt-gamma-ray spectral measurements from the reaction Pu-241(n(th), f). Apart from one recent experiment, no data are reported in the literature for this fissioning system, which motivated a new dedicated experiment. We have measured prompt-fission gamma rays with three cerium-doped LaBr3 (two 5.08 cm x 5.08 cm and one 7.62 cm x 7.62 cm) and one CeBr3 (5.08 cm x 5.08 cm) scintillation detectors, which all exhibit excellent timing and good energy resolution. The average gamma-ray multiplicity was determined to be (nu) over bar (gamma) = (8.21 +/- 0.09) per fission, the average energy to be epsilon(gamma) = (0.78 +/- 0.01) MeV, and the total energy to be E-gamma,E-tot = (6.41 +/- 0.06) MeV as the weighted average from all detectors. Since the results from all detectors are in excellent agreement, and the total released gamma energy is modestly higher than the one in the present evaluated nuclear data files, we suspect that the underestimation of the prompt-gamma heating in nuclear reactors is due to fast-neutron-induced fission on U-238 or rather from fission induced by gamma rays from neutron capture in the construction material. | |
650 | 7 | a NATURVETENSKAPx Fysikx Subatomär fysik0 (SwePub)103012 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Subatomic Physics0 (SwePub)103012 hsv//eng |
700 | 1 | a Billnert, Robert,d 1981u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)billnert |
700 | 1 | a Belgya, T.4 aut |
700 | 1 | a Brys, T.4 aut |
700 | 1 | a Geerts, W.4 aut |
700 | 1 | a Guerrero, C.4 aut |
700 | 1 | a Hambsch, F. J.4 aut |
700 | 1 | a Kis, Z.4 aut |
700 | 1 | a Moens, A.4 aut |
700 | 1 | a Oberstedt, Andreas,d 1961u Chalmers tekniska högskola,Chalmers University of Technology4 aut |
700 | 1 | a Sibbens, G.4 aut |
700 | 1 | a Szentmiklosi, L.4 aut |
700 | 1 | a Vanleeuw, D.4 aut |
700 | 1 | a Vidali, M.4 aut |
710 | 2 | a Chalmers tekniska högskola4 org |
773 | 0 | t Physical Review C - Nuclear Physicsg 90:2, s. Art. no. 024618-q 90:2<Art. no. 024618-x 2469-9985x 2469-9993 |
856 | 4 | u http://publications.lib.chalmers.se/records/fulltext/203378/local_203378.pdfx primaryx freey FULLTEXT |
856 | 4 8 | u https://doi.org/10.1103/PhysRevC.90.024618 |
856 | 4 8 | u https://research.chalmers.se/publication/203378 |
856 | 4 8 | u https://research.chalmers.se/publication/505651 |
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