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Sökning: onr:"swepub:oai:research.chalmers.se:6a9b8d10-0251-4594-8cf5-26f16a8d4fa1" > High-precision prom...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003211naa a2200469 4500
001oai:research.chalmers.se:6a9b8d10-0251-4594-8cf5-26f16a8d4fa1
003SwePub
008171007s2014 | |||||||||||000 ||eng|
024a https://doi.org/10.1103/PhysRevC.90.0246182 DOI
024a https://research.chalmers.se/publication/2033782 URI
024a https://research.chalmers.se/publication/5056512 URI
040 a (SwePub)cth
041 a engb eng
042 9 SwePub
072 7a art2 swepub-publicationtype
072 7a ref2 swepub-contenttype
100a Oberstedt, S.4 aut
2451 0a High-precision prompt-gamma-ray spectral data from the reaction Pu-241(n(th), f)
264 1c 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 7a NATURVETENSKAPx Fysikx Subatomär fysik0 (SwePub)103012 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Subatomic Physics0 (SwePub)103012 hsv//eng
700a Billnert, Robert,d 1981u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)billnert
700a Belgya, T.4 aut
700a Brys, T.4 aut
700a Geerts, W.4 aut
700a Guerrero, C.4 aut
700a Hambsch, F. J.4 aut
700a Kis, Z.4 aut
700a Moens, A.4 aut
700a Oberstedt, Andreas,d 1961u Chalmers tekniska högskola,Chalmers University of Technology4 aut
700a Sibbens, G.4 aut
700a Szentmiklosi, L.4 aut
700a Vanleeuw, D.4 aut
700a Vidali, M.4 aut
710a Chalmers tekniska högskola4 org
773t Physical Review C - Nuclear Physicsg 90:2, s. Art. no. 024618-q 90:2<Art. no. 024618-x 2469-9985x 2469-9993
856u http://publications.lib.chalmers.se/records/fulltext/203378/local_203378.pdfx primaryx freey FULLTEXT
8564 8u https://doi.org/10.1103/PhysRevC.90.024618
8564 8u https://research.chalmers.se/publication/203378
8564 8u https://research.chalmers.se/publication/505651

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