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Investigation of the excited states of 114Sn using the GRIFFIN spectrometer at TRIUMF

Journal Article · · Nuclear Physics. A
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  1. Simon Fraser Univ., Burnaby, BC (Canada)
  2. Université Paris-Saclay, Orsay (France)
  3. TRIUMF, Vancouver, BC (Canada)
  4. Spanish National Research Council and Polytechnic Univ. of Valencia, Valencia (Spain). Inst. de Fisica Corpuscular
  5. Univ. of Waterloo, ON (Canada)
  6. Univ. of Guelph, ON (Canada)
  7. TRIUMF, Vancouver, BC (Canada); Univ. of Victoria, BC (Canada)
  8. Univ. of Regina, SK (Canada)
  9. Univ. of Liverpool (United Kingdom)
  10. Saint Mary's Univ., Halifax NS (Canada)
  11. TRIUMF, Vancouver, BC (Canada); Colorado School of Mines, Golden, CO (United States)
  12. Argonne National Laboratory (ANL), Argonne, IL (United States)
  13. Japan Atomic Energy Agency (JAEA), Tokai (Japan)
  14. TRIUMF, Vancouver, BC (Canada); Univ. of Guelph, ON (Canada)
+ Show Author Affiliations

The semi-magic 110-122Sn isotopes display signs of shape coexistence in their excited 0+ states, which, in contrast to the spherical 0+ ground states, are deformed. Here, this paper investigates the nuclear structure of 114Sn using the competing β+ decay and electron capture of a radioactive beam of 114Sb produced at the TRIUMF-ISAC facility using the GRIFFIN spectrometer. This study will allow for an in-depth understanding of the excited 0+ states in 114Sn, by focusing on their decay patterns. In the present experiment, transitions at 856.2-keV and 1405.0-keV, which were observed in an earlier β+ decay study but not placed in the 114Sn level scheme, have been Physics, assigned to the level scheme in connection to the 0$$^+_3$$ level at 2156.0-keV. Properly assigning these transitions refines the level scheme and enhances our understanding of the nuclear structure in 114Sn.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
3001192
Journal Information:
Nuclear Physics. A, Journal Name: Nuclear Physics. A Vol. 1059; ISSN 0375-9474
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

References (8)

Nuclear Data Sheets for A = 95 journal October 2010
Nuclear Data Sheets for A = 114 journal February 2012
Characteristics of GRIFFIN high-purity germanium clover detectors
  • Rizwan, U.; Garnsworthy, A. B.; Andreoiu, C.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 820 https://doi.org/10.1016/j.nima.2016.03.016
journal June 2016
Developments at TRIUMF’s laser resonance ionization ion source & multi-element operation journal August 2023
Collective 2p-2h intruder states in Sn118 studied via β decay of In118 using the GRIFFIN spectrometer at TRIUMF journal August 2020
Decay ofSb111,112,113,114,115 journal July 1976
Shape coexistence and collective low-spin states in Sn 112 , 114 studied with the ( p , p ′ γ ) Doppler-shift attenuation coincidence technique journal May 2018
Study of the $\beta^{-}$ β - decay of 116m1In: A new interpretation of low-lying 0+ states in 116Sn journal February 2017

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Related Subjects

GRIFFIN
Sn nuclei
gamma-ray spectroscopy
shape coexistence