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New information on b-delayed neutron emission from 12,14Be

Bergmann, U C; Axelsson, L; Borge, M J G; Fedoseyev, V N; Forssen, C; Fynbo, H O U; Grévy, S; Hornshoj, P; Jading, Y and Jonson, B, et al. (1999) In Nuclear Physics, Section A 658(2). p.129-145
Abstract
The β-delayed neutron branches from neutron-rich Be-isotopes have been measured with a setup sensitive down to thermal energies. For 14Be a new value of Pn = 101 ± 4% has been found for the total neutron-emission probability and an upper limit of 2.4% (95% confidence level) is imposed on the combination P2n + 3P3n of multi-neutron emission probabilities. Moreover, an improved value of Pn = 0.50 ± 0.03% has been obtained for 12Be. A time-correlation method, previously developed for a continuous radioactive beam to determine neutron branching ratios, has been revised and adapted to the pulsed secondary beam at ISOLDE, CERN.
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publishing date
type
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publication status
published
keywords
Radioactivity
in
Nuclear Physics, Section A
volume
658
issue
2
pages
129 - 145
publisher
Elsevier
external identifiers
  • scopus:0033581510
ISSN
0375-9474
DOI
10.1016/S0375-9474(99)00348-6
language
English
LU publication?
no
id
77be0a3b-7b5a-43c9-824e-f66366579cce (old id 1115262)
date added to LUP
2008-07-07 16:37:35
date last changed
2017-03-13 14:36:56
@article{77be0a3b-7b5a-43c9-824e-f66366579cce,
  abstract     = {The β-delayed neutron branches from neutron-rich Be-isotopes have been measured with a setup sensitive down to thermal energies. For 14Be a new value of Pn = 101 ± 4% has been found for the total neutron-emission probability and an upper limit of 2.4% (95% confidence level) is imposed on the combination P2n + 3P3n of multi-neutron emission probabilities. Moreover, an improved value of Pn = 0.50 ± 0.03% has been obtained for 12Be. A time-correlation method, previously developed for a continuous radioactive beam to determine neutron branching ratios, has been revised and adapted to the pulsed secondary beam at ISOLDE, CERN.},
  author       = {Bergmann, U C and Axelsson, L and Borge, M J G and Fedoseyev, V N and Forssen, C and Fynbo, H O U and Grévy, S and Hornshoj, P and Jading, Y and Jonson, B and Köster, U and Markenroth Bloch, Karin and Marqués, F M and Mishin, V I and Nilsson, T and Nyman, G and Oberstedt, A and Ravn, H L and Riisager, K and Schrieder, G and Sebastian, V and Simon, H and Tengblad, O and Wenander, F and Wilhelmsen Rolander, K and collaboration, The ISOLDE},
  issn         = {0375-9474},
  keyword      = {Radioactivity},
  language     = {eng},
  number       = {2},
  pages        = {129--145},
  publisher    = {Elsevier},
  series       = {Nuclear Physics, Section A},
  title        = {New information on b-delayed neutron emission from 12,14Be},
  url          = {http://dx.doi.org/10.1016/S0375-9474(99)00348-6},
  volume       = {658},
  year         = {1999},
}