Regis, J. -M., Simpson, G. S., Blanc, A., de France, G., Jentschel, M., Koester, U., Mutti, P., Paziy, V., Saed-Samii, N., Soldner, T., Ur, C. A., Urban, W., Bruce, A. M., Drouet, F., Fraile, L. M., Ilieva, S., Jolie, J., Korten, W., Kroell, T., Lalkovski, S., Mach, H., Marginean, N., Pascovici, G., Podolyak, Zs., Regan, P. H., Roberts, O. J., Smith, J. F., Townsley, C., Vancraeyenest, A. and Warr, N. (2014). Germanium-gated gamma-gamma fast timing of excited states in fission fragments using the EXILL&FATIMA spectrometer. Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip., 763. S. 210 - 221. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1872-9576

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Abstract

A high granularity mixed spectrometer consisting of high resolution Ge and very fast LaBr3(Ce)-scintillator detectors has been installed around a fission target at the cold neutron guide PF1B of the high-flux reactor of the Institut Laue-Langevin. Lifetimes of excited states in the range of 10 ps to 10 ns can be measured in around 100 exotic neutron-rich fission fragments using Ge-gated LaBr3(Ce)-LaBr3(Ce) or Ge-Ge-LaBr3(Ce)-LaBr3(Ce) coincidences. We report on various characteristics of the EXILL&FATIMA spectrometer for the energy range of 40 keV up to 6.8 MeV and present results of ps-lifetime test measurements in a fission fragment. The results are discussed with respect to possible systematic errors induced by background contributions. (C) 2014 Published by Elsevier B.V.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Regis, J. -M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Simpson, G. S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Blanc, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
de France, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jentschel, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Koester, U.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mutti, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Paziy, V.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Saed-Samii, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Soldner, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ur, C. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Urban, W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bruce, A. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Drouet, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fraile, L. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ilieva, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jolie, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Korten, W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kroell, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lalkovski, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mach, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Marginean, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pascovici, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Podolyak, Zs.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Regan, P. H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Roberts, O. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Smith, J. F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Townsley, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Vancraeyenest, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Warr, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-425285
DOI: 10.1016/j.nima.2014.06.004
Journal or Publication Title: Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip.
Volume: 763
Page Range: S. 210 - 221
Date: 2014
Publisher: ELSEVIER SCIENCE BV
Place of Publication: AMSTERDAM
ISSN: 1872-9576
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
NUCLEAR-DATA SHEETS; NEUTRON-RICH NUCLEI; PICOSECOND LIFETIME MEASUREMENTS; SCINTILLATION-COUNTERS; REGION; RESOLUTION; CF-252Multiple languages
Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & FieldsMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/42528

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