γ-Ray spectroscopy of proton drip-line nuclei in the A ∼ 130 region using SPIRAL beams

O. Stézowski, D. Guinet, Ph Lautesse, M. Meyer, N. Redon, B. Rossé, Ch Schmitt, P. J. Nolan, A. J. Boston, R. Cooper, M. Dimmock, S. Gros, B. McGuirck, E. S. Paul, M. Petri, H. Scraggs, G. Turk, G. De France, S. Bhattachasyya, G. MukherjeeF. Rejmund, M. Rejmund, H. Savajols, J. N. Scheurer, B. M. Nyakó, J. Gál, J. Molnár, J. Timár, L. Zolnai, A. Astier, I. Deloncle, M. G. Porquet, A. Prévost, K. Juhasz, R. Wadsworth, P. Joshi, G. La Rana, R. Moro, M. Trotta, E. Vardaci, G. Hackman, G. Ball

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Abstract

A fusion-evaporation experiment has been performed with a SPIRAL 76Kr radioactive beam in order to study the deformation of rare-earth nuclei near the proton drip-line. The experimental setup consisted in the EXOGAM γ-array, coupled to the light-charged particles (LCP) DIAMANT detector and to the VAMOS heavy-ion spectrometer. The difficulties inherent to such measurements are enlightened. The coupling between EXOGAM and DIAMANT has been used to decrease the huge background caused by the radioactivity of the beam. It further permits assigning new y-ray transitions to specific residual nuclei. A γ-ray belonging to the 130Pm level scheme has thus been observed for the first time.

Original languageEnglish
Title of host publicationNuclear Physics and Astrophysics
Subtitle of host publicationFrom Stable Beams to Exotic Nuclei
EditorsAkif Baha Balantekin, Ismail Boztosun
Place of PublicationCollege Park MD USA
PublisherAmerican Institute of Physics
Pages166-171
Number of pages6
Volume1072
ISBN (Print)9780735406032
DOIs
Publication statusPublished - 11 Nov 2008
Externally publishedYes
EventInternational Conference on Nuclear Physics and Astrophysics: From Stable Beams to Exotic Nuclei 2008 - Cappadocia-Nevsehir, Turkey
Duration: 25 Jun 200830 Jun 2008

Publication series

NameAIP Conference Proceedings
Volume1072
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceInternational Conference on Nuclear Physics and Astrophysics: From Stable Beams to Exotic Nuclei 2008
Country/TerritoryTurkey
CityCappadocia-Nevsehir
Period25/06/0830/06/08

Keywords

  • Nuclear structure
  • Radioactive ion beam
  • γ-spectroscopy

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