Superallowed α Decay to Doubly MagicSn100

Auranen, K.; Seweryniak, D.; Albers, M.; Ayangeakaa, A. D.; Bottoni, S.; Carpenter, M. P.; Chiara, C. J.; Copp, P.; David, H. M.; Doherty, D. T.; Harker, J.; Hoffman, C. R.; Janssens, R. V.  F.; Khoo, T. L.; Kuvin, S. A.; Lauritsen, T.; Lotay, G.; Rogers, A. M.; Sethi, J.; Scholey, C.; Talwar, R.; Walters, W. B.; Woods, P. J.; Zhu, S.

doi:10.1103/PhysRevLett.121.182501

Title: Superallowed $α$ Decay to Doubly Magic ${}^{100}{Sn}$

Abstract

In this paper, we report the first observation of the ¹⁰⁸Xe → ¹⁰⁴Te → ¹⁰⁰Sn α-decay chain. The α emitters, ¹⁰⁸Xe [E_α = 4.4(2) MeV, T_1/2 = 58^{$+106 -23$} μs] and ¹⁰⁴Te[E_α = 4.9(2) MeV, T_1/2 < 18 ns], decaying into doubly magic ¹⁰⁰Sn were produced using a fusion-evaporation reaction ⁵⁴Fe(⁵⁸Ni, 4n)¹⁰⁸Xe, and identified with a recoil mass separator and an implantation-decay correlation technique. This is the first time alpha radioactivity has been observed to a heavy self-conjugate nucleus. A previous benchmark for study of this fundamental decay mode has been the decay of ²¹²Po into doubly magic ²⁰⁸Pb. Enhanced proton-neutron interactions in the N = Z parent nuclei may result in superallowed α decays with reduced α-decay widths significantly greater than that for ²¹²Po. Finally, from the decay chain, we deduce that the α-reduced width for ¹⁰⁸Xe or ¹⁰⁴Te is more than a factor of 5 larger than that for ²¹²Po.

Authors:

Auranen, K. ^[1]; Seweryniak, D. ^[1]; Albers, M. ^[1]; Ayangeakaa, A. D. ^[1]; Bottoni, S. ^[1]; Carpenter, M. P. ^[1]; Chiara, C. J. ^[2]; Copp, P. ^[3]; David, H. M. ^[1]; Doherty, D. T. ^[4]; Harker, J. ^[2]; Hoffman, C. R. ^[1]; Janssens, R. V. F. ^[5]; Khoo, T. L. ^[1]; Kuvin, S. A. ^[6]; Lauritsen, T. ^[1]; Lotay, G. ^[7]; Rogers, A. M. ^[1]; Sethi, J. ^[2]; Scholey, C. ^[8] more »

Argonne National Lab. (ANL), Argonne, IL (United States)
Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Maryland, College Park, MD (United States)
Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Massachusetts, Lowell, MA (United States)
Univ. of Edinburgh, Scotland (United Kingdom)
Univ. of North Carolina, Chapel Hill, NC (United States); Duke Univ., Durham, NC (United States)
Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Connecticut, Storrs, CT (United States)
Univ. of Surrey, Guildford (United Kingdom)
University of Jyvaskyla (Finland)
Univ. of Maryland, College Park, MD (United States)

Publication Date:: Tue Oct 30 00:00:00 EDT 2018

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

Sponsoring Org.:: USDOE Office of Science (SC), Nuclear Physics (NP)

OSTI Identifier:: 1484239

Alternate Identifier(s):: OSTI ID: 1479846

Grant/Contract Number:: AC02-06CH11357; FG02-94ER40834; FG02-94ER40848; FG02-97ER41041; FG02-97ER41033

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review Letters

Additional Journal Information:: Journal Volume: 121; Journal Issue: 18; Journal ID: ISSN 0031-9007

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats


                    Auranen, K., Seweryniak, D., Albers, M., Ayangeakaa, A. D., Bottoni, S., Carpenter, M. P., Chiara, C. J., Copp, P., David, H. M., Doherty, D. T., Harker, J., Hoffman, C. R., Janssens, R. V.  F., Khoo, T. L., Kuvin, S. A., Lauritsen, T., Lotay, G., Rogers, A. M., Sethi, J., Scholey, C., Talwar, R., Walters, W. B., Woods, P. J., and Zhu, S. Superallowed α Decay to Doubly MagicSn100.  United States: N. p., 2018. 
Web.  doi:10.1103/PhysRevLett.121.182501.

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                    Auranen, K., Seweryniak, D., Albers, M., Ayangeakaa, A. D., Bottoni, S., Carpenter, M. P., Chiara, C. J., Copp, P., David, H. M., Doherty, D. T., Harker, J., Hoffman, C. R., Janssens, R. V.  F., Khoo, T. L., Kuvin, S. A., Lauritsen, T., Lotay, G., Rogers, A. M., Sethi, J., Scholey, C., Talwar, R., Walters, W. B., Woods, P. J., & Zhu, S. Superallowed α Decay to Doubly MagicSn100.  United States.  https://doi.org/10.1103/PhysRevLett.121.182501

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                    Auranen, K., Seweryniak, D., Albers, M., Ayangeakaa, A. D., Bottoni, S., Carpenter, M. P., Chiara, C. J., Copp, P., David, H. M., Doherty, D. T., Harker, J., Hoffman, C. R., Janssens, R. V.  F., Khoo, T. L., Kuvin, S. A., Lauritsen, T., Lotay, G., Rogers, A. M., Sethi, J., Scholey, C., Talwar, R., Walters, W. B., Woods, P. J., and Zhu, S. Tue .  
"Superallowed α Decay to Doubly MagicSn100".  United States.  https://doi.org/10.1103/PhysRevLett.121.182501.  https://www.osti.gov/servlets/purl/1484239.

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@article{osti_1484239,

  title        = {Superallowed α Decay to Doubly MagicSn100},

  author       = {Auranen, K. and Seweryniak, D. and Albers, M. and Ayangeakaa, A. D. and Bottoni, S. and Carpenter, M. P. and Chiara, C. J. and Copp, P. and David, H. M. and Doherty, D. T. and Harker, J. and Hoffman, C. R. and Janssens, R. V.  F. and Khoo, T. L. and Kuvin, S. A. and Lauritsen, T. and Lotay, G. and Rogers, A. M. and Sethi, J. and Scholey, C. and Talwar, R. and Walters, W. B. and Woods, P. J. and Zhu, S.},

  abstractNote = {In this paper, we report the first observation of the 108Xe → 104Te → 100Sn α-decay chain. The α emitters, 108Xe [Eα = 4.4(2) MeV, T1/2 = 58 +106 -23 μs] and 104Te[Eα = 4.9(2) MeV, T1/2 < 18 ns], decaying into doubly magic 100Sn were produced using a fusion-evaporation reaction 54Fe(58Ni, 4n)108Xe, and identified with a recoil mass separator and an implantation-decay correlation technique. This is the first time alpha radioactivity has been observed to a heavy self-conjugate nucleus. A previous benchmark for study of this fundamental decay mode has been the decay of 212Po into doubly magic 208Pb. Enhanced proton-neutron interactions in the N = Z parent nuclei may result in superallowed α decays with reduced α-decay widths significantly greater than that for 212Po. Finally, from the decay chain, we deduce that the α-reduced width for 108Xe or 104Te is more than a factor of 5 larger than that for 212Po.},

  doi          = {10.1103/PhysRevLett.121.182501},

  journal      = {Physical Review Letters},

  number       = 18,

  volume       = 121,

  place        = {United States},

  year         = {Tue Oct 30 00:00:00 EDT 2018},

  month        = {Tue Oct 30 00:00:00 EDT 2018}

}

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Search for $α$ decay of ${}^{104}{Te}$ with a novel recoil-decay scintillation detector
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Xiao, Y.; Go, S.; Grzywacz, R.
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Title: Superallowed α Decay to Doubly Magic Sn 100

Abstract

Citation Formats

Measurements of 110Xe and 106Te decay half-lives journal, December 2004

Alpha radioactivity above Sn 100 including the decay of I 108 journal, June 1994

Microscopic theory of cluster radioactivity journal, February 1998

Alpha decay studies of tellurium, iodine, xenon and cesium isotopes journal, September 1979

Alpha-decay of light protactinium isotopes conference, January 1987

α decay of Te 105 journal, June 2006

The structure of 100Sn and neighbouring nuclei journal, March 2013

Erratum: Landscape of Two-Proton Radioactivity [Phys. Rev. Lett. 110 , 222501 (2013)] journal, September 2013

Proton Radioactivity journal, January 1995

The limits of the nuclear landscape journal, June 2012

Some remarks on the error analysis in the case of poor statistics journal, February 1984

Alpha decay of 114Ba journal, April 2002

Direct observation of the Ba 114 → Xe 110 → Te 106 → Sn 102 triple α -decay chain using position and time correlations journal, August 2016

daughter 100 α-nuclei cluster decays of some neutron-deficient Xe to Gd parents: Sn radioactivity journal, April 1995

New Region of Alpha Radioactivity journal, January 1965

The AME2016 atomic mass evaluation (II). Tables, graphs and references journal, March 2017

Alpha-Decay Barrier Penetrabilities with an Exponential Nuclear Potential: Even-Even Nuclei journal, March 1959

The NUBASE2016 evaluation of nuclear properties journal, March 2017

Measurable decay modes of barium isotopes via exotic cluster emissions journal, April 1994

Half lives of α-emitters approaching the N = Z line journal, September 2006

The reaction 48Ca + 248Cm → 296116* studied at the GSI-SHIP journal, May 2012

Microscopic calculation for α and heavier cluster emissions from proton rich Ba and Ce isotopes journal, August 1995

Proton and alpha radioactivity of very neutron deficient Te, I, Xe and Cs isotopes, studied after electrostatic separation journal, June 1991

Single-Neutron States in Sn 101 journal, July 2007

Absolute alpha decay width of Po 212 in a combined shell and cluster model journal, July 1992

New short-lived isotope 223Np and the absence of the Z = 92 subshell closure near N = 126 journal, August 2017

The argonne fragment mass analyzer journal, April 1989

Landscape of Two-Proton Radioactivity journal, May 2013

Superallowed Gamow–Teller decay of the doubly magic nucleus 100Sn journal, June 2012

α decay in the complex-energy shell model journal, September 2012

Discovery of Xe 109 and Te 105 : Superallowed α Decay near Doubly Magic Sn 100 journal, August 2006

Microscopic description of superallowed α -decay transitions journal, May 2016

Orbital Dependent Nucleonic Pairing in the Lightest Known Isotopes of Tin journal, October 2010

Super-allowed α decay above doubly-magic 100Sn and properties of 104Te = 100Sn ⊗ α journal, January 2007

Proton radioactivity conference, January 1999

Proton Radioactivity journal, December 1995

Search for α decay of Te 104 with a novel recoil-decay scintillation detector journal, September 2019

α -decay spectroscopy of the N = 130 isotones Ra 218 and Th 220 : Mitigation of α -particle energy summing with implanted nuclei journal, October 2019

Delayed or absent π ( h 11 / 2 ) 2 alignment in Xe 111 journal, January 2020

α clustering from the quartet model journal, March 2019

α-cluster structure above double closed shells journal, June 2019

New Isotope Np 220 : Probing the Robustness of the N = 126 Shell Closure in Neptunium journal, May 2019

$\alpha$α clustering slightly above 100Sn in the light of the new experimental data on the superallowed $\alpha$α decay journal, December 2018

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Title: Superallowed $α$ Decay to Doubly Magic ${}^{100}{Sn}$

Measurements of 110Xe and 106Te decay half-lives
journal, December 2004

Alpha radioactivity above ${}^{100}{Sn}$ including the decay of ${}^{108}I$
journal, June 1994

Microscopic theory of cluster radioactivity
journal, February 1998

Alpha decay studies of tellurium, iodine, xenon and cesium isotopes
journal, September 1979

Alpha-decay of light protactinium isotopes
conference, January 1987

α decay of ${}^{105}{Te}$
journal, June 2006

The structure of 100Sn and neighbouring nuclei
journal, March 2013

Erratum: Landscape of Two-Proton Radioactivity [Phys. Rev. Lett. 110 , 222501 (2013)]
journal, September 2013

Proton Radioactivity
journal, January 1995

The limits of the nuclear landscape
journal, June 2012

Some remarks on the error analysis in the case of poor statistics
journal, February 1984

Alpha decay of 114Ba
journal, April 2002

Direct observation of the ${}^{114}{Ba} \to {}^{110}{Xe} \to {}^{106}{Te} \to {}^{102}{Sn}$ triple $α$ -decay chain using position and time correlations
journal, August 2016

${}^{100}{daughter}$ α-nuclei cluster decays of some neutron-deficient Xe to Gd parents: Sn radioactivity
journal, April 1995

New Region of Alpha Radioactivity
journal, January 1965

The AME2016 atomic mass evaluation (II). Tables, graphs and references
journal, March 2017

Alpha-Decay Barrier Penetrabilities with an Exponential Nuclear Potential: Even-Even Nuclei
journal, March 1959

The NUBASE2016 evaluation of nuclear properties
journal, March 2017

Measurable decay modes of barium isotopes via exotic cluster emissions
journal, April 1994

Half lives of α-emitters approaching the $N = Z$ line
journal, September 2006

The reaction 48Ca + 248Cm → 296116* studied at the GSI-SHIP
journal, May 2012

Microscopic calculation for α and heavier cluster emissions from proton rich Ba and Ce isotopes
journal, August 1995

Proton and alpha radioactivity of very neutron deficient Te, I, Xe and Cs isotopes, studied after electrostatic separation
journal, June 1991

Single-Neutron States in ${}^{101}{Sn}$
journal, July 2007

Absolute alpha decay width of ${}^{212}{Po}$ in a combined shell and cluster model
journal, July 1992

New short-lived isotope 223Np and the absence of the Z = 92 subshell closure near N = 126
journal, August 2017

The argonne fragment mass analyzer
journal, April 1989

Landscape of Two-Proton Radioactivity
journal, May 2013

Superallowed Gamow–Teller decay of the doubly magic nucleus 100Sn
journal, June 2012

$α$ decay in the complex-energy shell model
journal, September 2012

Discovery of ${}^{109}{Xe}$ and ${}^{105}{Te}$ : Superallowed $α$ Decay near Doubly Magic ${}^{100}{Sn}$
journal, August 2006

Microscopic description of superallowed $α$ -decay transitions
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Super-allowed α decay above doubly-magic 100Sn and properties of 104Te = 100Sn ⊗ α
journal, January 2007

Proton radioactivity
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Proton Radioactivity
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Search for $α$ decay of ${}^{104}{Te}$ with a novel recoil-decay scintillation detector
journal, September 2019

$α$ -decay spectroscopy of the $N = 130$ isotones ${}^{218}{Ra}$ and ${}^{220}{Th}$ : Mitigation of $α$ -particle energy summing with implanted nuclei
journal, October 2019

Delayed or absent $π {(h_{11 / 2})}^{2}$ alignment in ${}^{111}{Xe}$
journal, January 2020

$α$ clustering from the quartet model
journal, March 2019

α-cluster structure above double closed shells
journal, June 2019

New Isotope ${}^{220}{Np}$ : Probing the Robustness of the $N = 126$ Shell Closure in Neptunium
journal, May 2019

$\alpha$α clustering slightly above 100Sn in the light of the new experimental data on the superallowed $\alpha$α decay
journal, December 2018

2018 update of the discoveries of nuclides
journal, February 2019