Key Ne19 States Identified Affecting γ-Ray Emission from F18 in Novae

Hall, M. R.; Bardayan, D. W.; Baugher, T.; Lepailleur, A.; Pain, S. D.; Ratkiewicz, A.; Ahn, S.; Allen, J. M.; Anderson, J. T.; Ayangeakaa, A. D.; Blackmon, J. C.; Burcher, S.; Carpenter, M. P.; Cha, S. M.; Chae, K. Y.; Chipps, K. A.; Cizewski, J. A.; Febbraro, M.; Hall, O.; Hu, J.; Jiang, C. L.; Jones, K. L.; Lee, E. J.; O’Malley, P. D.; Ota, S.; Rasco, B. C.; Santiago-Gonzalez, D.; Seweryniak, D.; Sims, H.; Smith, K.; Tan, W. P.; Thompson, P.; Thornsberry, C.; Varner, R. L.; Walter, D.; Wilson, G. L.; Zhu, S.

doi:10.1103/PhysRevLett.122.052701

Title: Key ${}^{19}{Ne}$ States Identified Affecting $γ$ -Ray Emission from ${}^{18}F$ in Novae

Abstract

Detection of nuclear-decay γ rays provides a sensitive thermometer of nova nucleosynthesis. The most intense γ-ray flux is thought to be annihilation radiation from the β⁺ decay of ¹⁸F, which is destroyed prior to decay by the ¹⁸F(p,α)¹⁵O reaction. Estimates of ¹⁸F production had been uncertain, however, because key near-threshold levels in the compound nucleus, ¹⁹Ne, had yet to be identified. We report the first measurement of the ¹⁹F(³He,tγ)¹⁹Ne reaction, in which the placement of two long-sought 3/2⁺ levels is suggested via triton-γ–γ coincidences. Furthermore, the precise determination of their resonance energies reduces the upper limit of the rate by a factor of 1.5–17 at nova temperatures and reduces the average uncertainty on the nova detection probability by a factor of 2.1.

Authors:

Hall, M. R. ^[1]; Bardayan, D. W. ^[1]; Baugher, T. ^[2]; Lepailleur, A. ^[2]; Pain, S. D. ^[3]; Ratkiewicz, A. ^[2]; Ahn, S. ^[4]; Allen, J. M. ^[1]; Anderson, J. T. ^[5]; Ayangeakaa, A. D. ^[5]; Blackmon, J. C. ^[6]; Burcher, S. ^[7]; Carpenter, M. P. ^[5]; Cha, S. M. ^[8]; Chae, K. Y. ^[8]; Chipps, K. A. ^[3]; Cizewski, J. A. ^[2]; Febbraro, M. ^[3]; Hall, O. ^[9]; Hu, J. ^[1] more »

Univ. of Notre Dame, Notre Dame, IN (United States)
Rutgers Univ., New Brunswick, NJ (United States)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Michigan State Univ., East Lansing, MI (United States)
Argonne National Lab. (ANL), Argonne, IL (United States)
Louisiana State Univ., Baton Rouge, LA (United States)
Univ. of Tennessee, Knoxville, TN (United States)
Sungkyunkwan Univ., Suwon (South Korea)
Univ. of Notre Dame, Notre Dame, IN (United States); Univ. of Surrey, Surrey (United Kingdom)
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Rutgers Univ., New Brunswick, NJ (United States); Univ. of Surrey, Surrey (United Kingdom)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
Louisiana State Univ., Baton Rouge, LA (United States); Univ. of Massachusetts, Lowell, MA (United States)

Publication Date:: Thu Feb 07 00:00:00 EST 2019

Research Org.:: Argonne National Lab. (ANL), Argonne, IL (United States); Rutgers Univ., New Brunswick, NJ (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: National Science Foundation (NSF); USDOE Office of Science (SC), Nuclear Physics (NP); USDOE National Nuclear Security Administration (NNSA), Office of Defense Programs (DP)

OSTI Identifier:: 1495378

Alternate Identifier(s):: OSTI ID: 1493858; OSTI ID: 1510254; OSTI ID: 1566952

Grant/Contract Number:: AC02-06CH11357; NA002132; AC05-00OR22725; FG02-96ER40963; FG02-96ER40978; NA0002132

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review Letters

Additional Journal Information:: Journal Volume: 122; Journal Issue: 5; Journal ID: ISSN 0031-9007

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; Nuclear reactions, nucleosynthesis, 18F.

Citation Formats


                    Hall, M. R., Bardayan, D. W., Baugher, T., Lepailleur, A., Pain, S. D., Ratkiewicz, A., Ahn, S., Allen, J. M., Anderson, J. T., Ayangeakaa, A. D., Blackmon, J. C., Burcher, S., Carpenter, M. P., Cha, S. M., Chae, K. Y., Chipps, K. A., Cizewski, J. A., Febbraro, M., Hall, O., Hu, J., Jiang, C. L., Jones, K. L., Lee, E. J., O’Malley, P. D., Ota, S., Rasco, B. C., Santiago-Gonzalez, D., Seweryniak, D., Sims, H., Smith, K., Tan, W. P., Thompson, P., Thornsberry, C., Varner, R. L., Walter, D., Wilson, G. L., and Zhu, S. Key Ne19 States Identified Affecting γ-Ray Emission from F18 in Novae.  United States: N. p., 2019. 
Web.  doi:10.1103/PhysRevLett.122.052701.

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                    Hall, M. R., Bardayan, D. W., Baugher, T., Lepailleur, A., Pain, S. D., Ratkiewicz, A., Ahn, S., Allen, J. M., Anderson, J. T., Ayangeakaa, A. D., Blackmon, J. C., Burcher, S., Carpenter, M. P., Cha, S. M., Chae, K. Y., Chipps, K. A., Cizewski, J. A., Febbraro, M., Hall, O., Hu, J., Jiang, C. L., Jones, K. L., Lee, E. J., O’Malley, P. D., Ota, S., Rasco, B. C., Santiago-Gonzalez, D., Seweryniak, D., Sims, H., Smith, K., Tan, W. P., Thompson, P., Thornsberry, C., Varner, R. L., Walter, D., Wilson, G. L., & Zhu, S. Key Ne19 States Identified Affecting γ-Ray Emission from F18 in Novae.  United States.  https://doi.org/10.1103/PhysRevLett.122.052701

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                    Hall, M. R., Bardayan, D. W., Baugher, T., Lepailleur, A., Pain, S. D., Ratkiewicz, A., Ahn, S., Allen, J. M., Anderson, J. T., Ayangeakaa, A. D., Blackmon, J. C., Burcher, S., Carpenter, M. P., Cha, S. M., Chae, K. Y., Chipps, K. A., Cizewski, J. A., Febbraro, M., Hall, O., Hu, J., Jiang, C. L., Jones, K. L., Lee, E. J., O’Malley, P. D., Ota, S., Rasco, B. C., Santiago-Gonzalez, D., Seweryniak, D., Sims, H., Smith, K., Tan, W. P., Thompson, P., Thornsberry, C., Varner, R. L., Walter, D., Wilson, G. L., and Zhu, S. Thu .  
"Key Ne19 States Identified Affecting γ-Ray Emission from F18 in Novae".  United States.  https://doi.org/10.1103/PhysRevLett.122.052701.  https://www.osti.gov/servlets/purl/1495378.

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@article{osti_1495378,

  title        = {Key Ne19 States Identified Affecting γ-Ray Emission from F18 in Novae},

  author       = {Hall, M. R. and Bardayan, D. W. and Baugher, T. and Lepailleur, A. and Pain, S. D. and Ratkiewicz, A. and Ahn, S. and Allen, J. M. and Anderson, J. T. and Ayangeakaa, A. D. and Blackmon, J. C. and Burcher, S. and Carpenter, M. P. and Cha, S. M. and Chae, K. Y. and Chipps, K. A. and Cizewski, J. A. and Febbraro, M. and Hall, O. and Hu, J. and Jiang, C. L. and Jones, K. L. and Lee, E. J. and O’Malley, P. D. and Ota, S. and Rasco, B. C. and Santiago-Gonzalez, D. and Seweryniak, D. and Sims, H. and Smith, K. and Tan, W. P. and Thompson, P. and Thornsberry, C. and Varner, R. L. and Walter, D. and Wilson, G. L. and Zhu, S.},

  abstractNote = {Detection of nuclear-decay γ rays provides a sensitive thermometer of nova nucleosynthesis. The most intense γ-ray flux is thought to be annihilation radiation from the β+ decay of 18F, which is destroyed prior to decay by the 18F(p,α)15O reaction. Estimates of 18F production had been uncertain, however, because key near-threshold levels in the compound nucleus, 19Ne, had yet to be identified. We report the first measurement of the 19F(3He,tγ)19Ne reaction, in which the placement of two long-sought 3/2+ levels is suggested via triton-γ–γ coincidences. Furthermore, the precise determination of their resonance energies reduces the upper limit of the rate by a factor of 1.5–17 at nova temperatures and reduces the average uncertainty on the nova detection probability by a factor of 2.1.},

  doi          = {10.1103/PhysRevLett.122.052701},

  journal      = {Physical Review Letters},

  number       = 5,

  volume       = 122,

  place        = {United States},

  year         = {Thu Feb 07 00:00:00 EST 2019},

  month        = {Thu Feb 07 00:00:00 EST 2019}

}

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Title: Key Ne 19 States Identified Affecting γ -Ray Emission from F 18 in Novae

Abstract

Citation Formats

Gamma-ray observations of Nova Sgr 2015 No. 2 with INTEGRAL journal, July 2018

The 18F(p, α) 15O low-energy S-factor: A microscopic approach journal, April 2007

Low-energy F 18 ( p , α ) O 15 cross section measurements relevant to nova γ -ray emission journal, January 2009

Radioactivities from novae journal, October 2006

Strength of the F 18 ( p , α ) O 15 Resonance at E c . m . = 330 k e V journal, December 2002

First proton-transfer study of 18 F + p resonances relevant for novae journal, May 2011

Energy levels of light nuclei A = 18–19 journal, December 1995

Science with e-ASTROGAM journal, August 2018

Coupling Gammasphere and ORRUBA conference, January 2013

Destruction of 18 F via 18 F ( p , α ) 15 O burning through the E c . m . = 665 keV resonance journal, May 2001

The first science result with the JENSA gas-jet target: Confirmation and study of a strong subthreshold F 18 ( p , α ) O 15 resonance journal, December 2015

Direct Reaction Measurements Using GODDESS journal, January 2017

The 18F(p,α)15O reaction rate for application to nova γ-ray emission journal, July 2005

Advances in instrumentation for nuclear astrophysics journal, April 2014

Spectroscopy of Ne 19 for the thermonuclear O 15 ( α , γ ) Ne 19 and F 18 ( p , α ) O 15 reaction rates journal, November 2015

The jina Reaclib Database: its Recent Updates and Impact on Type-I X-Ray Bursts journal, June 2010

Breakout from the hot CNO cycle: The 18 F ( p , γ ) vs 18 F ( p , α ) branching ratio journal, May 1998

Direct measurement of the F 18 ( p , α ) O 15 reaction at nova temperatures journal, April 2011

Nucleosynthesis in classical nova explosions journal, October 2007

Lifetime of the astrophysically important 4.03-MeV state in Ne 19 journal, October 2005

The Galactic nova rate Revisited journal, January 2017

Indirect study of 19Ne states near the threshold journal, July 2007

New constraints on the F 18 ( p , α ) O 15 rate in novae from the ( d , p ) reaction journal, March 2005

Development of a high solid-angle silicon detector array for measurement of transfer reactions in inverse kinematics journal, August 2007

Nuclear structure properties of astrophysical importance for Ne 19 above the proton threshold energy journal, May 2007

Computational Infrastructure for Nuclear Astrophysics conference, January 2006

Evolutionary sequences for Nova V1974 Cygni using new nuclear reaction rates and opacities journal, May 1998

Single-nucleon transfer reactions on 18 F journal, November 2011

The GAMMASPHERE journal, December 1990

AZURE: An R -matrix code for nuclear astrophysics journal, April 2010

Is γ -Ray Emission from Novae Affected by Interference Effects in the F 18 ( p , α ) O 15 Reaction? journal, January 2013

Title: Key ${}^{19}{Ne}$ States Identified Affecting $γ$ -Ray Emission from ${}^{18}F$ in Novae

Gamma-ray observations of Nova Sgr 2015 No. 2 with INTEGRAL
journal, July 2018

The 18F(p, α) 15O low-energy S-factor: A microscopic approach
journal, April 2007

Low-energy ${}^{18}F$ ( $p$ , $α$ ) ${}^{15}O$ cross section measurements relevant to nova $γ$ -ray emission
journal, January 2009

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journal, October 2006

Strength of the ${}^{18}F (p, α) {}^{15}O$ Resonance at $E_{c . m .} = 330 k e V$
journal, December 2002

First proton-transfer study of $^{18} F + p$ resonances relevant for novae
journal, May 2011

Energy levels of light nuclei A = 18–19
journal, December 1995

Science with e-ASTROGAM
journal, August 2018

Coupling Gammasphere and ORRUBA
conference, January 2013

Destruction of $^{18} F$ via $^{18} F (p, α)^{15} O$ burning through the $E_{c . m .} = 665$ keV resonance
journal, May 2001

The first science result with the JENSA gas-jet target: Confirmation and study of a strong subthreshold ${}^{18}F (p, α) {}^{15}O$ resonance
journal, December 2015

Direct Reaction Measurements Using GODDESS
journal, January 2017

The 18F(p,α)15O reaction rate for application to nova γ-ray emission
journal, July 2005

Advances in instrumentation for nuclear astrophysics
journal, April 2014

Spectroscopy of ${}^{19}{Ne}$ for the thermonuclear ${}^{15}O (α, γ) {}^{19}{Ne}$ and ${}^{18}F (p, α) {}^{15}O$ reaction rates
journal, November 2015

The jina Reaclib Database: its Recent Updates and Impact on Type-I X-Ray Bursts
journal, June 2010

Breakout from the hot CNO cycle: The $^{18} F (p, γ)$ vs $^{18} F (p, α)$ branching ratio
journal, May 1998

Direct measurement of the ${}^{18}F$ ( $p$ , $α$ ) ${}^{15}O$ reaction at nova temperatures
journal, April 2011

Nucleosynthesis in classical nova explosions
journal, October 2007

Lifetime of the astrophysically important 4.03-MeV state in ${}^{19}{Ne}$
journal, October 2005

The Galactic nova rate Revisited
journal, January 2017

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journal, July 2007

New constraints on the ${}^{18}F (p, α) {}^{15}O$ rate in novae from the $(d, p)$ reaction
journal, March 2005

Development of a high solid-angle silicon detector array for measurement of transfer reactions in inverse kinematics
journal, August 2007

Nuclear structure properties of astrophysical importance for ${}^{19}{Ne}$ above the proton threshold energy
journal, May 2007

Computational Infrastructure for Nuclear Astrophysics
conference, January 2006

Evolutionary sequences for Nova V1974 Cygni using new nuclear reaction rates and opacities
journal, May 1998

Single-nucleon transfer reactions on $^{18} F$
journal, November 2011

The GAMMASPHERE
journal, December 1990

AZURE: An $R$ -matrix code for nuclear astrophysics
journal, April 2010

Is $γ$ -Ray Emission from Novae Affected by Interference Effects in the ${}^{18}F (p, α) {}^{15}O$ Reaction?
journal, January 2013