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Study of Non-fusion Products in the 50Ti+249Cf Reaction

Di Nitto, A. ; Khuyagbaatar, J. ; Ackermann, D. ; Andersson, L. L. ; Badura, E. ; Block, M. ; Brand, H. ; Conrad, I. ; Cox, D. M. and Düllmann, Ch E. , et al. (2018) In Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 784. p.199-205
Abstract

The isotopic distribution of nuclei produced in the 50Ti + 249Cf reaction has been studied at the gas-filled recoil separator TASCA at GSI Darmstadt, which separates ions according to differences in magnetic rigidity. The bombardment was performed at an energy around the Bass barrier and with the TASCA magnetic fields set for collecting fusion-evaporation reaction products. Fifty-three isotopes located “north-east” of 208Pb were identified as recoiling products formed in non-fusion channels of the reaction. These recoils were implanted with energies in two distinct ranges; besides one with higher energy, a significant low-energy contribution was identified. The latter observation was not expected to... (More)

The isotopic distribution of nuclei produced in the 50Ti + 249Cf reaction has been studied at the gas-filled recoil separator TASCA at GSI Darmstadt, which separates ions according to differences in magnetic rigidity. The bombardment was performed at an energy around the Bass barrier and with the TASCA magnetic fields set for collecting fusion-evaporation reaction products. Fifty-three isotopes located “north-east” of 208Pb were identified as recoiling products formed in non-fusion channels of the reaction. These recoils were implanted with energies in two distinct ranges; besides one with higher energy, a significant low-energy contribution was identified. The latter observation was not expected to occur according to kinematics of the known types of reactions, namely quasi-elastic, multi-nucleon transfer, deep-inelastic collisions or quasifission. The present observations are discussed within the framework of two-body kinematics passing through the formation of a composite system.

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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Multi-nucleon transfer reactions, Production of radioactive nuclei, Quasifission, α decay
in
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
volume
784
pages
7 pages
publisher
Elsevier
external identifiers
  • scopus:85051394235
ISSN
0370-2693
DOI
10.1016/j.physletb.2018.07.058
project
Nuclear Structure at the Limits: Isotope-selective Spectroscopy
language
English
LU publication?
yes
id
4ad35797-8f15-4333-9877-dc16d5e84d52
date added to LUP
2018-09-07 08:51:42
date last changed
2025-01-08 14:12:04
@article{4ad35797-8f15-4333-9877-dc16d5e84d52,
  abstract     = {{<p>The isotopic distribution of nuclei produced in the <sup>50</sup>Ti + <sup>249</sup>Cf reaction has been studied at the gas-filled recoil separator TASCA at GSI Darmstadt, which separates ions according to differences in magnetic rigidity. The bombardment was performed at an energy around the Bass barrier and with the TASCA magnetic fields set for collecting fusion-evaporation reaction products. Fifty-three isotopes located “north-east” of <sup>208</sup>Pb were identified as recoiling products formed in non-fusion channels of the reaction. These recoils were implanted with energies in two distinct ranges; besides one with higher energy, a significant low-energy contribution was identified. The latter observation was not expected to occur according to kinematics of the known types of reactions, namely quasi-elastic, multi-nucleon transfer, deep-inelastic collisions or quasifission. The present observations are discussed within the framework of two-body kinematics passing through the formation of a composite system.</p>}},
  author       = {{Di Nitto, A. and Khuyagbaatar, J. and Ackermann, D. and Andersson, L. L. and Badura, E. and Block, M. and Brand, H. and Conrad, I. and Cox, D. M. and Düllmann, Ch E. and Dvorak, J. and Eberhardt, K. and Ellison, P. A. and Esker, N. E. and Even, J. and Fahlander, C. and Forsberg, U. and Gates, J. M. and Golubev, P. and Gothe, O. and Gregorich, K. E. and Hartmann, W. and Herzberg, R. D. and Heßberger, F. P. and Hoffmann, J. and Hollinger, R. and Hübner, A. and Jäger, E. and Kindler, B. and Klein, S. and Kojouharov, I. and Kratz, J. V. and Krier, J. and Kurz, N. and Lahiri, S. and Lommel, B. and Maiti, M. and Mändl, R. and Merchán, E. and Minami, S. and Mistry, A. K. and Mokry, C. and Nitsche, H. and Omtvedt, J. P. and Pang, G. K. and Renisch, D. and Rudolph, D. and Runke, J. and Sarmiento, L. G. and Schädel, M. and Schaffner, H and Schausten, B. and Semchenkov, A. and Steiner, J. and Thörle-Pospiech, P. and Trautmann, N. and Türler, A. and Uusitalo, J. and Ward, D. and Wegrzecki, M. and Wieczorek, P. and Wiehl, N. and Yakushev, A. and Yakusheva, V.}},
  issn         = {{0370-2693}},
  keywords     = {{Multi-nucleon transfer reactions; Production of radioactive nuclei; Quasifission; α decay}},
  language     = {{eng}},
  month        = {{09}},
  pages        = {{199--205}},
  publisher    = {{Elsevier}},
  series       = {{Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics}},
  title        = {{Study of Non-fusion Products in the <sup>50</sup>Ti+<sup>249</sup>Cf Reaction}},
  url          = {{http://dx.doi.org/10.1016/j.physletb.2018.07.058}},
  doi          = {{10.1016/j.physletb.2018.07.058}},
  volume       = {{784}},
  year         = {{2018}},
}