Experimental study of the astrophysically important Na23(α,p)Mg26 and Na23(α,n)Al26 reactions

Avila, M. L.; Rehm, K. E.; Almaraz-Calderon, S.; Ayangeakaa, A. D.; Dickerson, C.; Hoffman, C. R.; Jiang, C. L.; Kay, B. P.; Lai, J.; Nusair, O.; Pardo, R. C.; Santiago-Gonzalez, D.; Talwar, R.; Ugalde, C.

doi:10.1103/PhysRevC.94.065804

Title: Experimental study of the astrophysically important ${}^{23}{Na} (α, p) {}^{26}{Mg}$ and ${}^{23}{Na} (α, n) {}^{26}{Al}$ reactions

Abstract

The ²³Na(α,p) ²⁶Mg and ²³Na(α,n) ²⁶Al reactions are important for our understanding of the ²⁶Al abundance in massive stars. The aim of this work is to report on a direct and simultaneous measurement of these astrophysically important reactions using an active target system. The reactions were investigated in inverse kinematics using ⁴He as the active target gas in the detector. We measured the excitation functions in the energy range of about 2 to 6 MeV in the center of mass. We have found that the cross sections of the ²³Na(α,p) ²⁶Mg and the ²³Na(α,n) ²⁶Al reactions are in good agreement with previous experiments and with statistical-model calculations. As a result, the astrophysical reaction rate of the ²³Na(α,n) ²⁶Al reaction has been reevaluated and it was found to be larger than the recommended rate.

Authors:

Avila, M. L. ^[1]; Rehm, K. E. ^[1]; Almaraz-Calderon, S. ^[2]; Ayangeakaa, A. D. ^[1]; Dickerson, C. ^[1]; Hoffman, C. R. ^[1]; Jiang, C. L. ^[1]; Kay, B. P. ^[1]; Lai, J. ^[3]; Nusair, O. ^[1]; Pardo, R. C. ^[1]; Santiago-Gonzalez, D. ^[4]; Talwar, R. ^[1]; Ugalde, C. ^[1]

Argonne National Lab. (ANL), Argonne, IL (United States)
Florida State Univ., Tallahassee, FL (United States)
Louisiana State Univ., Baton Rouge, LA (United States)
Argonne National Lab. (ANL), Argonne, IL (United States); Louisiana State Univ., Baton Rouge, LA (United States)

Publication Date:: 2016-12-19

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

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

OSTI Identifier:: 1367272

Alternate Identifier(s):: OSTI ID: 1336868

Grant/Contract Number:: AC02-06CH11357; FG02-96ER40978

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review C

Additional Journal Information:: Journal Volume: 94; Journal Issue: 6; Journal ID: ISSN 2469-9985

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats


                    Avila, M. L., Rehm, K. E., Almaraz-Calderon, S., Ayangeakaa, A. D., Dickerson, C., Hoffman, C. R., Jiang, C. L., Kay, B. P., Lai, J., Nusair, O., Pardo, R. C., Santiago-Gonzalez, D., Talwar, R., and Ugalde, C. Experimental study of the astrophysically important Na23(α,p)Mg26 and Na23(α,n)Al26 reactions.  United States: N. p., 2016. 
Web.  doi:10.1103/PhysRevC.94.065804.

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                    Avila, M. L., Rehm, K. E., Almaraz-Calderon, S., Ayangeakaa, A. D., Dickerson, C., Hoffman, C. R., Jiang, C. L., Kay, B. P., Lai, J., Nusair, O., Pardo, R. C., Santiago-Gonzalez, D., Talwar, R., & Ugalde, C. Experimental study of the astrophysically important Na23(α,p)Mg26 and Na23(α,n)Al26 reactions.  United States.  https://doi.org/10.1103/PhysRevC.94.065804

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                    Avila, M. L., Rehm, K. E., Almaraz-Calderon, S., Ayangeakaa, A. D., Dickerson, C., Hoffman, C. R., Jiang, C. L., Kay, B. P., Lai, J., Nusair, O., Pardo, R. C., Santiago-Gonzalez, D., Talwar, R., and Ugalde, C. Mon .  
"Experimental study of the astrophysically important Na23(α,p)Mg26 and Na23(α,n)Al26 reactions".  United States.  https://doi.org/10.1103/PhysRevC.94.065804.  https://www.osti.gov/servlets/purl/1367272.

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@article{osti_1367272,

  title        = {Experimental study of the astrophysically important Na23(α,p)Mg26 and Na23(α,n)Al26 reactions},

  author       = {Avila, M. L. and Rehm, K. E. and Almaraz-Calderon, S. and Ayangeakaa, A. D. and Dickerson, C. and Hoffman, C. R. and Jiang, C. L. and Kay, B. P. and Lai, J. and Nusair, O. and Pardo, R. C. and Santiago-Gonzalez, D. and Talwar, R. and Ugalde, C.},

  abstractNote = {The 23Na(α,p) 26Mg and 23Na(α,n) 26Al reactions are important for our understanding of the 26Al abundance in massive stars. The aim of this work is to report on a direct and simultaneous measurement of these astrophysically important reactions using an active target system. The reactions were investigated in inverse kinematics using 4He as the active target gas in the detector. We measured the excitation functions in the energy range of about 2 to 6 MeV in the center of mass. We have found that the cross sections of the 23Na(α,p) 26Mg and the 23Na(α,n) 26Al reactions are in good agreement with previous experiments and with statistical-model calculations. As a result, the astrophysical reaction rate of the 23Na(α,n) 26Al reaction has been reevaluated and it was found to be larger than the recommended rate.},

  doi          = {10.1103/PhysRevC.94.065804},

  journal      = {Physical Review C},

  number       = 6,

  volume       = 94,

  place        = {United States},

  year         = {2016},

  month        = {12}

}

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Works referencing / citing this record:

Study of 26Mg through 1p pick-up reaction 27Al(d, 3 He)
journal, October 2017

Srivastava, Vishal; Bhattacharya, C.; Rana, T. K.
International Journal of Modern Physics E, Vol. 26, Issue 10
DOI: 10.1142/s0218301317500641

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Title: Experimental study of the astrophysically important Na 23 ( α , p ) Mg 26 and Na 23 ( α , n ) Al 26 reactions

Abstract

Citation Formats

Protons from the alpha-particle bombardment of 23Na journal, December 1964

Total Neutron Yield from the Reactions C 13 ( α , n ) O 16 and O 1 7 , 1 8 ( α , n ) Ne 2 0 , 2 1 journal, April 1973

Thermonuclear reaction rates V journal, November 1988

Towards a More Complete and Accurate Experimental Nuclear Reaction Data Library (EXFOR): International Collaboration Between Nuclear Reaction Data Centres (NRDC) journal, June 2014

26g, mAl production cross sections from the 23Na(α, n)26Al reaction journal, December 1982

Astrophysical Reaction Rates From Statistical Model Calculations journal, May 2000

Mg 26 (p,n ) 26 Al and ( α 23 ,n ) 26 Al reactions journal, January 1987

Accelerator mass spectrometry at the university of Rochester journal, November 1987

Cross sections of α-induced reactions for targets with masses A ≈ 20–50 at low energies journal, May 2015

SRIM – The stopping and range of ions in matter (2010) journal, June 2010

The 26Mg(p, n)26Al and 23Na(α, n)26Al reactions near threshold journal, June 1987

Direct Measurement of the Na 23 ( α , p ) Mg 26 Reaction Cross Section at Energies Relevant for the Production of Galactic Al 26 journal, April 2014

Erratum: Direct Measurement of the Na 23 ( α , p ) Mg 26 Reaction Cross Section at Energies Relevant for the Production of Galactic Al 26 [Phys. Rev. Lett. 112 , 152701 (2014)] journal, October 2015

Measurements of Fusion Reactions of Low-Intensity Radioactive Carbon Beams on C 12 and their Implications for the Understanding of X-Ray Bursts journal, May 2014

Reaction Na 23 ( α , p ) Mg 26 from E α = 2.3 − 3.7 MeV and the corresponding thermonuclear reaction rate journal, March 1974

Multi-Sampling Ionization Chamber (MUSIC) for measurements of fusion reactions with radioactive beams journal, November 2015

THE EFFECTS OF THERMONUCLEAR REACTION RATE VARIATIONS ON 26 Al PRODUCTION IN MASSIVE STARS: A SENSITIVITY STUDY journal, March 2011

A compilation of charged-particle induced thermonuclear reaction rates journal, August 1999

Radioactive 26Al from massive stars in the Galaxy journal, January 2006

Na 23 ( α , p ) Mg 26 Reaction Rate at Astrophysically Relevant Energies journal, July 2015

Measurement of Na 23 ( α , p ) Mg 26 at Energies Relevant to Al 26 Production in Massive Stars journal, July 2015

LISE++: Radioactive beam production with in-flight separators journal, October 2008

Study of 26Mg through 1p pick-up reaction 27Al(d, 3 He) journal, October 2017

Title: Experimental study of the astrophysically important ${}^{23}{Na} (α, p) {}^{26}{Mg}$ and ${}^{23}{Na} (α, n) {}^{26}{Al}$ reactions

Protons from the alpha-particle bombardment of 23Na
journal, December 1964

Total Neutron Yield from the Reactions ${}^{13}C (α, n) {}^{16}O$ and ${}^{17, 18}O (α, n) {}^{20, 21}{Ne}$
journal, April 1973

Thermonuclear reaction rates V
journal, November 1988

Towards a More Complete and Accurate Experimental Nuclear Reaction Data Library (EXFOR): International Collaboration Between Nuclear Reaction Data Centres (NRDC)
journal, June 2014

26g, mAl production cross sections from the 23Na(α, n)26Al reaction
journal, December 1982

Astrophysical Reaction Rates From Statistical Model Calculations
journal, May 2000

${}^{26}{Mg}$ (p,n $)^{26}$ Al and ${}^{23}{(α}$ ,n $)^{26}$ Al reactions
journal, January 1987

Accelerator mass spectrometry at the university of Rochester
journal, November 1987

Cross sections of α-induced reactions for targets with masses A ≈ 20–50 at low energies
journal, May 2015

SRIM – The stopping and range of ions in matter (2010)
journal, June 2010

The 26Mg(p, n)26Al and 23Na(α, n)26Al reactions near threshold
journal, June 1987

Direct Measurement of the ${}^{23}{Na} (α, p) {}^{26}{Mg}$ Reaction Cross Section at Energies Relevant for the Production of Galactic ${}^{26}{Al}$
journal, April 2014

Erratum: Direct Measurement of the ${}^{23}{Na} (α, p) {}^{26}{Mg}$ Reaction Cross Section at Energies Relevant for the Production of Galactic ${}^{26}{Al}$ [Phys. Rev. Lett. 112 , 152701 (2014)]
journal, October 2015

Measurements of Fusion Reactions of Low-Intensity Radioactive Carbon Beams on ${}^{12}C$ and their Implications for the Understanding of X-Ray Bursts
journal, May 2014

Reaction ${}^{23}{Na} (α, p) {}^{26}{Mg}$ from $E_{α} = 2.3 - 3.7$ MeV and the corresponding thermonuclear reaction rate
journal, March 1974

Multi-Sampling Ionization Chamber (MUSIC) for measurements of fusion reactions with radioactive beams
journal, November 2015

THE EFFECTS OF THERMONUCLEAR REACTION RATE VARIATIONS ON ²⁶ Al PRODUCTION IN MASSIVE STARS: A SENSITIVITY STUDY
journal, March 2011

A compilation of charged-particle induced thermonuclear reaction rates
journal, August 1999

Radioactive 26Al from massive stars in the Galaxy
journal, January 2006

${}^{23}{Na} (α, p) {}^{26}{Mg}$ Reaction Rate at Astrophysically Relevant Energies
journal, July 2015

Measurement of ${}^{23}{Na} (α, p) {}^{26}{Mg}$ at Energies Relevant to ${}^{26}{Al}$ Production in Massive Stars
journal, July 2015

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journal, October 2008

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journal, October 2017