Branching ratio and γ -ray emission probabilities in the decay of the Jπ=13/2+ isomer in 197Hg

Lebeda, O.; Kondev, F. G.; Červenák, J.

doi:10.1016/j.nima.2020.163481

Title: Branching ratio and $γ$ -ray emission probabilities in the decay of the $J^{π} = 13 / 2^{+}$ isomer in 197Hg

Abstract

Gamma rays following the decay of the $^{197 g}$ Hg and $^{197 m}$ Hg radionuclides were measured using chemically-purified sources and a planar HPGe detector. In the case of $^{197 m}$ Hg, precise values of 94.68 (9)% and 5.32 (9)% were confirmed for the IT and EC branches, respectively, the latter discovered to differ significantly from previously published data. The half-lives of $^{197 g}$ Hg and $^{197 m}$ Hg were also measured as 64.81 (24) h and 23.82 (4) h.

Authors:

Lebeda, O. ^[1]; Kondev, F. G. ^[2]; Červenák, J. ^[1]

Czech Academy of Sciences (Czech Republic)
Argonne National Lab. (ANL), Argonne, IL (United States)

Publication Date:: Tue Jan 21 00:00:00 EST 2020

Research Org.:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Nuclear Physics (NP); Ministry of Education, Youth and Sports of the Czech Republic

OSTI Identifier:: 1607861

Alternate Identifier(s):: OSTI ID: 1703475

Grant/Contract Number:: AC02-06CH11357

Resource Type:: Accepted Manuscript

Journal Name:: Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment

Additional Journal Information:: Journal Volume: 959; Journal Issue: C; Journal ID: ISSN 0168-9002

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 197𝑔Hg; 197𝑚Hg; Branching ratio; Half-life; Radioactivity; 𝛾-ray emission probabilities

Citation Formats


                    Lebeda, O., Kondev, F. G., and Červenák, J. Branching ratio and γ -ray emission probabilities in the decay of the Jπ=13/2+ isomer in 197Hg.  United States: N. p., 2020. 
Web.  doi:10.1016/j.nima.2020.163481.

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                    Lebeda, O., Kondev, F. G., & Červenák, J. Branching ratio and γ -ray emission probabilities in the decay of the Jπ=13/2+ isomer in 197Hg.  United States.  https://doi.org/10.1016/j.nima.2020.163481

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                    Lebeda, O., Kondev, F. G., and Červenák, J. Tue .  
"Branching ratio and γ -ray emission probabilities in the decay of the Jπ=13/2+ isomer in 197Hg".  United States.  https://doi.org/10.1016/j.nima.2020.163481.  https://www.osti.gov/servlets/purl/1607861.

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@article{osti_1607861,

  title        = {Branching ratio and γ -ray emission probabilities in the decay of the Jπ=13/2+ isomer in 197Hg},

  author       = {Lebeda, O. and Kondev, F. G. and Červenák, J.},

  abstractNote = {Gamma rays following the decay of the 197gHg and 197mHg radionuclides were measured using chemically-purified sources and a planar HPGe detector. In the case of 197mHg, precise values of 94.68 (9)% and 5.32 (9)% were confirmed for the IT and EC branches, respectively, the latter discovered to differ significantly from previously published data. The half-lives of 197gHg and 197mHg were also measured as 64.81 (24) h and 23.82 (4) h.},

  doi          = {10.1016/j.nima.2020.163481},

  journal      = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},

  number       = C,

  volume       = 959,

  place        = {United States},

  year         = {Tue Jan 21 00:00:00 EST 2020},

  month        = {Tue Jan 21 00:00:00 EST 2020}

}

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Works referenced in this record:

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Title: Branching ratio and γ -ray emission probabilities in the decay of the J π = 13 / 2 + isomer in 197Hg

Abstract

Citation Formats

Transition multipolarities in the decay of197mHg journal, August 1970

Note on the Pt and Hg mass-197 isomers journal, March 1965

Measurement of cross-sections of proton-induced nuclear reactions on 197Au focused on the production of the theranostic pair 197m,gHg journal, November 2019

ESCL8R and LEVIT8R: Software for interactive graphical analysis of HPGe coincidence data sets journal, July 1995

Nuclear Data Sheets for A=197 journal, February 2005

Measured gyromagnetic ratios and the low-excitation spectroscopy of 197Au journal, September 1988

Experimental determination of penetration parameter forM1 conversion, and theE2 admixtures for 77 and 191 keV transitions in197Au journal, October 1971

M�ssbauer determination of the E2/M1 mixing ratio of the 77 keV transition in197Au and of the sign of the electric field gradient in KAu(CN)2 journal, June 1975

The E2 strength of the 191 keV transition in 197Au journal, August 1970

Yields, Angular Distributions, and Polarization of Gamma Rays from Coulomb Excitation journal, February 1958

Measurement of deuteron-induced nuclear reactions cross-sections on 197Au and on natCu focused on the theranostic 197m,gHg journal, December 2019

Evaluation of theoretical conversion coefficients using BrIcc journal, May 2008

Nuclear data sheets for A = 197 journal, January 1991

Decay Studies of 197Tl (2.84 H) and 197mHg (23.8 H) journal, January 1993

Zur Isomerie des Au197 journal, February 1966

Couloub excitation of 197Au and a core-excitation analysis journal, April 1971

Nuclear Data Sheets Update for A = 197 journal, November 1995

Precision Determinations of the Mössbauer Recoilless Fraction for Metallic Gold in the Temperature Range 4.2 ≤ T ≤ 100 °K journal, April 1971

The internal conversion spectra from the decay of197Hg m journal, January 1959

Title: Branching ratio and $γ$ -ray emission probabilities in the decay of the $J^{π} = 13 / 2^{+}$ isomer in 197Hg

Transition multipolarities in the decay of197mHg
journal, August 1970

Note on the Pt and Hg mass-197 isomers
journal, March 1965

Measurement of cross-sections of proton-induced nuclear reactions on 197Au focused on the production of the theranostic pair 197m,gHg
journal, November 2019

ESCL8R and LEVIT8R: Software for interactive graphical analysis of HPGe coincidence data sets
journal, July 1995

Nuclear Data Sheets for A=197
journal, February 2005

Measured gyromagnetic ratios and the low-excitation spectroscopy of 197Au
journal, September 1988

Experimental determination of penetration parameter forM1 conversion, and theE2 admixtures for 77 and 191 keV transitions in197Au
journal, October 1971

M�ssbauer determination of the E2/M1 mixing ratio of the 77 keV transition in197Au and of the sign of the electric field gradient in KAu(CN)2
journal, June 1975

The E2 strength of the 191 keV transition in 197Au
journal, August 1970

Yields, Angular Distributions, and Polarization of Gamma Rays from Coulomb Excitation
journal, February 1958

Measurement of deuteron-induced nuclear reactions cross-sections on 197Au and on natCu focused on the theranostic 197m,gHg
journal, December 2019

Evaluation of theoretical conversion coefficients using BrIcc
journal, May 2008

Nuclear data sheets for A = 197
journal, January 1991

Decay Studies of 197Tl (2.84 H) and 197mHg (23.8 H)
journal, January 1993

Zur Isomerie des Au197
journal, February 1966

Couloub excitation of 197Au and a core-excitation analysis
journal, April 1971

Nuclear Data Sheets Update for A = 197
journal, November 1995

Precision Determinations of the Mössbauer Recoilless Fraction for Metallic Gold in the Temperature Range $4.2 \leq T \leq 100$ °K
journal, April 1971

The internal conversion spectra from the decay of197Hg m
journal, January 1959