Study of (α,p) and (α,n) reactions with a Multi-Sampling Ionization Chamber

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:10.1016/j.nima.2017.03.060

Title: Study of $(α, p)$ and $(α, n)$ reactions with a Multi-Sampling Ionization Chamber

Abstract

Here, a large number of (α,p) and (α, n) reactions are known to play a fundamental role in nuclear astrophysics. This work presents a novel technique to study these reactions with the active target system MUSIC whose segmented anode allows the investigation of a large energy range of the excitation function with a single beam energy. In order to verify the method, we performed direct measurements of the previously measured reactions ¹⁷O (α, n) ²⁰Ne, ²³Na (α,p) ²⁶Mg, and ²³Na ²⁶Al. These reactions were investigated in inverse kinematics using ⁴He gas in the detector to study the excitation functions in the energy range of about 2–6 MeV in the center of mass. We found good agreement between the cross sections of the ¹⁷O (α, n) ²⁰Ne reaction measured in this work and previous measurements. Furthermore we have successfully performed a simultaneous measurement of the ²³Na (α,p) ²⁶Mg and ²³Na (α, n) ²⁶Al reactions.

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:: Mon Apr 03 00:00:00 EDT 2017

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

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

OSTI Identifier:: 1372074

Alternate Identifier(s):: OSTI ID: 1418376

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

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: 859; Journal Issue: C; Journal ID: ISSN 0168-9002

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; Active target detector; Multi-Sampling Ionization Chamber

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. Study of (α,p) and (α,n) reactions with a Multi-Sampling Ionization Chamber.  United States: N. p., 2017. 
Web.  doi:10.1016/j.nima.2017.03.060.

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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. Study of (α,p) and (α,n) reactions with a Multi-Sampling Ionization Chamber.  United States.  https://doi.org/10.1016/j.nima.2017.03.060

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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 .  
"Study of (α,p) and (α,n) reactions with a Multi-Sampling Ionization Chamber".  United States.  https://doi.org/10.1016/j.nima.2017.03.060.  https://www.osti.gov/servlets/purl/1372074.

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@article{osti_1372074,

  title        = {Study of (α,p) and (α,n) reactions with a Multi-Sampling Ionization Chamber},

  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 = {Here, a large number of (α,p) and (α, n) reactions are known to play a fundamental role in nuclear astrophysics. This work presents a novel technique to study these reactions with the active target system MUSIC whose segmented anode allows the investigation of a large energy range of the excitation function with a single beam energy. In order to verify the method, we performed direct measurements of the previously measured reactions 17O (α, n) 20Ne, 23Na (α,p) 26Mg, and 23Na 26Al. These reactions were investigated in inverse kinematics using 4He gas in the detector to study the excitation functions in the energy range of about 2–6 MeV in the center of mass. We found good agreement between the cross sections of the 17O (α, n) 20Ne reaction measured in this work and previous measurements. Furthermore we have successfully performed a simultaneous measurement of the 23Na (α,p) 26Mg and 23Na (α, n) 26Al reactions.},

  doi          = {10.1016/j.nima.2017.03.060},

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

  number       = C,

  volume       = 859,

  place        = {United States},

  year         = {Mon Apr 03 00:00:00 EDT 2017},

  month        = {Mon Apr 03 00:00:00 EDT 2017}

}

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Title: Study of ( α , p ) and ( α , n ) reactions with a Multi-Sampling Ionization Chamber

Abstract

Citation Formats

Theoretical uncertainty of ( α , n ) reactions relevant for the nucleosynthesis of light r -process nuclei in neutrino-driven winds journal, March 2016

Explosive hydrogen burning journal, January 1981

Isomer ratios for the 41K(α, n)44,44mSc and 55Mn(α, n)58,58mCo reactions journal, July 1966

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

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

Measurement of the 8 Li ( α , n ) 11 B reaction and astrophysical implications journal, November 2000

Exclusive measurement of the astrophysical 8Li(α,n) reaction cross section journal, June 2004

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

Drift velocities of electrons in methane-inert-gas mixtures journal, March 1981

Gated multiple-sampling and tracking proportional chamber journal, January 2006

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

Graphite sphere neutron detector journal, December 1957

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

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

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

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

Experimental study of the astrophysically important Na 23 ( α , p ) Mg 26 and Na 23 ( α , n ) Al 26 reactions journal, December 2016

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

Title: Study of $(α, p)$ and $(α, n)$ reactions with a Multi-Sampling Ionization Chamber

Theoretical uncertainty of $(α, n)$ reactions relevant for the nucleosynthesis of light $r -process$ nuclei in neutrino-driven winds
journal, March 2016

Explosive hydrogen burning
journal, January 1981

Isomer ratios for the 41K(α, n)44,44mSc and 55Mn(α, n)58,58mCo reactions
journal, July 1966

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

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

Measurement of the $^{8} Li (α {, n)}^{11} B$ reaction and astrophysical implications
journal, November 2000

Exclusive measurement of the astrophysical 8Li(α,n) reaction cross section
journal, June 2004

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

Drift velocities of electrons in methane-inert-gas mixtures
journal, March 1981

Gated multiple-sampling and tracking proportional chamber
journal, January 2006

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

Graphite sphere neutron detector
journal, December 1957

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

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

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

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

Experimental study of the astrophysically important ${}^{23}{Na} (α, p) {}^{26}{Mg}$ and ${}^{23}{Na} (α, n) {}^{26}{Al}$ reactions
journal, December 2016

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