Measurement of the 241Am (n, 2n) reaction cross section, by the activation method

G. Perdikakis, C. T. Papadopoulos, R. Vlastou, A. Lagoyannis, A. Spyrou, M. Kokkoris, N. Patronis, D. Karamanis, Ch Zarkadas, G. Kalyva, C. Tsabaris, S. Kossionides

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

The measurement of the cross section of the reaction 241Am (n, 2n) 240Am, has been performed, for the first time at neutron energies from 8.8, to 11.1MeV, by the activation method. The neutron beam was produced at the TANDEM accelerator of NCSR "Demokritos", by the 2H (d,n) 3 He reaction, using a deuterium gas target. During the 5-day long irradiation, the neutron beam fluctuations were monitored in 100 sec intervals by a BF 3 counter connected with a multi-scaling unit. The radioactive target consisted of a 37GBq 241Am source enclosed in a Pb container. A natural Au foil, a 27Al foil and a 93Nb foil were used as reference materials for the neutron flux determination. After the end of the irradiation the activity induced at the target and the reference foils, was measured off-line by a 56 % HPGe detector.

Original languageEnglish
Title of host publicationFrontiers in Nuclear Structure, Astrophysics, and Reactions - FINUSTAR
Pages532-534
Number of pages3
DOIs
StatePublished - Apr 26 2006
EventInternational Conference on Frontiers in Nuclear Structure, Astrophysics, and Reactions - FINUSTAR - Isle of Kos, Greece
Duration: Sep 12 2005Sep 17 2005

Publication series

NameAIP Conference Proceedings
Volume831
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceInternational Conference on Frontiers in Nuclear Structure, Astrophysics, and Reactions - FINUSTAR
Country/TerritoryGreece
CityIsle of Kos
Period09/12/0509/17/05

Keywords

  • Activation
  • Americium
  • Cross sections
  • Gas target
  • Neutron physics
  • n_TOF

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