Half-lives of neutron-rich nuclei around 35,36Mg

K. Steiger, S. Nishimura, Z. Li, R. Chen, T. Faestermann, R. Gernhäuser, C. Hinke, R. Krücken, M. Kurata-Nishimura, G. Lorusso, Y. Miyashita, K. Sugimoto, T. Sumikama, H. Watanabe, K. Yoshinaga

Research output: Contribution to journalConference articlepeer-review

Abstract

We performed a decay spectroscopy experiment investigating neutron-rich nuclei around 35,36Mg at the RIBF (Radioactive Isotope Beam Factory, RIKEN, Japan). These nuclei were produced by relativistic projectile fragmentation of a 345 AMeV 48Ca primary beam from the superconducting ring cyclotron SRC with an average intensity of 70 pnA. The secondary cocktail beam was separated and identified with the BigRIPS [1]fragment separator and the ZeroDegree spectrometer (ZDS). The unambiguous particle identification was achieved by the multiple measurement of the energy loss (δE), time of flight (TOF) and magnetic rigidity (Bρ) event-by-event. The identified fragments were implanted in the CAITEN [2]detector (Cylindrical Active Implantation Target for Efficient Nuclear-decay study). The main part of this detector is a highly segmented plastic scintillator with the shape of a hollow cylinder. To reduce background decay events the scintil-lator was rotated and in additiom moved vertically. Implantations and decays were correlated in time and space to determine precise half-lives for the implanted nuclei.

Original languageEnglish
JournalProceedings of Science
Publication statusPublished - 2013
Event51st International Winter Meeting on Nuclear Physics, Bormio 2013 - Bormio, Italy
Duration: 2013 Jan 212013 Jan 25

ASJC Scopus subject areas

  • General

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