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Model-independent determination of the astrophysical S factor in laser-induced fusion plasmas

Journal Article · · Physical Review C
 [1];  [2];  [3];  [4];  [5];  [6];  [7];  [7];  [7];  [8];  [5];  [5];  [2];  [2];  [9];  [5];  [5];  [2];  [5]
  1. Texas A & M Univ., College Station, TX (United States); Univ. degli studi di Enna "Kore", Enna (Italy); LNS-INFN, Catania (Italy)
  2. Texas A & M Univ., College Station, TX (United States)
  3. Texas A & M Univ., College Station, TX (United States); LNS-INFN, Catania (Italy)
  4. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  5. Univ. of Texas at Austin, Austin, TX (United States)
  6. Texas A & M Univ., College Station, TX (United States); Univ. of Dallas, Irving, TX (United States)
  7. Associazione Euratom-ENEA sulla Fusione, Rome (Italy)
  8. Univ. of Milano, Milano (Italy)
  9. Texas A & M Univ., College Station, TX (United States); Univ. of Silesia, Katowice (Poland)
In this paper, we present a new and general method for measuring the astrophysical S factor of nuclear reactions in laser-induced plasmas and we apply it to 2H(d,n)3He. The experiment was performed with the Texas Petawatt Laser, which delivered 150–270 fs pulses of energy ranging from 90 to 180 J to D2 or CD4 molecular clusters (where D denotes 2H). After removing the background noise, we used the measured time-of-flight data of energetic deuterium ions to obtain their energy distribution. We derive the S factor using the measured energy distribution of the ions, the measured volume of the fusion plasma, and the measured fusion yields. This method is model independent in the sense that no assumption on the state of the system is required, but it requires an accurate measurement of the ion energy distribution, especially at high energies, and of the relevant fusion yields. In the 2H(d,n)3He and 3He(d,p)4He cases discussed here, it is very important to apply the background subtraction for the energetic ions and to measure the fusion yields with high precision. While the available data on both ion distribution and fusion yields allow us to determine with good precision the S factor in the d+d case (lower Gamow energies), for the d+3He case the data are not precise enough to obtain the S factor using this method. Our results agree with other experiments within the experimental error, even though smaller values of the S factor were obtained. This might be due to the plasma environment differing from the beam target conditions in a conventional accelerator experiment.
Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC52-06NA25396; FC52-08NA28512; FG03-93ER40773
OSTI ID:
1255278
Alternate ID(s):
OSTI ID: 1248069
Report Number(s):
LA-UR-16-20264
Journal Information:
Physical Review C, Journal Name: Physical Review C Journal Issue: 4 Vol. 93; ISSN PRVCAN; ISSN 2469-9985
Publisher:
APSCopyright Statement
Country of Publication:
United States
Language:
English

References (60)

Oppenheimer-Phillips effect and electron screening ind+ d fusion reactions journal March 1995
Zur Quantentheorie des Atomkernes journal March 1928
Oppenheimer-Phillips effect and electron screening ind+ d fusion reactions journal March 1995
Zur Quantentheorie des Atomkernes journal March 1928
Improved information on electron screening in 7Li (p,α)α using the Trojan-horse method journal December 2000
Search for electron screening of nuclear reactions at sub-coulomb energies journal April 1989
Search for electron screening of nuclear reactions at sub-coulomb energies journal April 1989
2H + reactions from 1.96 to 6.20 MeV journal September 1972
Low-energy fusion cross sections of D + D and D + 3He reactions journal March 1987
Cluster beams in the super-intense femtosecond laser pulse journal November 2002
Influence of the electronic chaotic motion on the fusion dynamics at astrophysical energies journal September 2005
Cluster beams in the super-intense femtosecond laser pulse journal November 2002
Is there a dynamic effect in the screening of nuclear reactions in stellar plasmas? journal April 1999
Nuclear fusion from explosions of femtosecond laser-heated deuterium clusters journal April 1999
High energy ions and nuclear fusion in laser–cluster interaction journal February 2002
Detailed study of nuclear fusion from femtosecond laser-driven explosions of deuterium clusters journal July 2002
Calibration of the neutron detectors for the cluster fusion experiment on the Texas Petawatt Laser journal June 2012
Is There a Dynamic Effect in the Screening of Nuclear Reactions in Stellar Plasmas? journal February 2000
NEW DETERMINATION OF THE 2 H( d , p ) 3 H AND 2 H( d , n ) 3 He REACTION RATES AT ASTROPHYSICAL ENERGIES journal April 2014
NEW DETERMINATION OF THE 2 H( d , p ) 3 H AND 2 H( d , n ) 3 He REACTION RATES AT ASTROPHYSICAL ENERGIES journal April 2014
Role of laser-pulse duration in the neutron yield of deuterium cluster targets journal November 2004
Coulomb explosion of hydrogen clusters irradiated by an ultrashort intense laser pulse journal August 2006
Differential cross sections at low energies for H 2 ( d , p ) 3 H and H 2 ( d , n ) 3 He journal April 1990
One- and two-electron atomic screening in fusion reactions journal August 1993
Bare-nucleus astrophysical factor of the He 3 ( d , p ) He 4 reaction via the “Trojan horse” method journal December 2005
Precision measurements of H 2 ( d , p ) H 3 and H 2 ( d , n ) He 3 total cross sections at Big Bang nucleosynthesis energies journal April 2006
Experimental study of fusion neutron and proton yields produced by petawatt-laser-irradiated D 2 - 3 He or CD 4 - 3 He clustering gases journal September 2013
Characterization of deuterium clusters mixed with helium gas for an application in beam-target-fusion experiments journal December 2014
Disassembly time of deuterium-cluster-fusion plasma irradiated by an intense laser pulse journal July 2015
Temperature Measurements of Fusion Plasmas Produced by Petawatt-Laser-Irradiated D 2 − He 3 or CD 4 − He 3 Clustering Gases journal July 2013
Measurement of the Plasma Astrophysical S Factor for the He 3 ( d , p ) He 4 Reaction in Exploding Molecular Clusters journal August 2013
Nuclear Fusion Driven by Coulomb Explosions of Large Deuterium Clusters journal March 2000
Nuclear Fusion induced by Coulomb Explosion of Heteronuclear Clusters journal June 2001
Chaos Driven Fusion Enhancement Factor at Astrophysical Energies journal December 2004
Dynamics and Control of Shock Shells in the Coulomb Explosion of Very Large Deuterium Clusters journal January 2005
Laser-driven nonlinear cluster dynamics journal June 2010
Nuclear Physics B. Nuclear Dynamics, Theoretical journal April 1937
Role of laser-pulse duration in the neutron yield of deuterium cluster targets journal November 2004
Coulomb explosion of hydrogen clusters irradiated by an ultrashort intense laser pulse journal August 2006
Differential cross sections at low energies for H 2 ( d , p ) 3 H and H 2 ( d , n ) 3 He journal April 1990
One- and two-electron atomic screening in fusion reactions journal August 1993
Bare-nucleus astrophysical factor of the He 3 ( d , p ) He 4 reaction via the “Trojan horse” method journal December 2005
Precision measurements of H 2 ( d , p ) H 3 and H 2 ( d , n ) He 3 total cross sections at Big Bang nucleosynthesis energies journal April 2006
Experimental study of fusion neutron and proton yields produced by petawatt-laser-irradiated D 2 - 3 He or CD 4 - 3 He clustering gases journal September 2013
Characterization of deuterium clusters mixed with helium gas for an application in beam-target-fusion experiments journal December 2014
Disassembly time of deuterium-cluster-fusion plasma irradiated by an intense laser pulse journal July 2015
Temperature Measurements of Fusion Plasmas Produced by Petawatt-Laser-Irradiated D 2 − He 3 or CD 4 − He 3 Clustering Gases journal July 2013
Measurement of the Plasma Astrophysical S Factor for the He 3 ( d , p ) He 4 Reaction in Exploding Molecular Clusters journal August 2013
Nuclear Fusion Driven by Coulomb Explosions of Large Deuterium Clusters journal March 2000
Nuclear Fusion induced by Coulomb Explosion of Heteronuclear Clusters journal June 2001
Chaos Driven Fusion Enhancement Factor at Astrophysical Energies journal December 2004
Dynamics and Control of Shock Shells in the Coulomb Explosion of Very Large Deuterium Clusters journal January 2005
Laser-driven nonlinear cluster dynamics journal June 2010
Nuclear Physics B. Nuclear Dynamics, Theoretical journal April 1937
Dynamics of Fusion in Plasmas journal January 2004
Dynamics of Fusion in Plasmas journal January 2004
Nuclear Fusion induced by Coulomb Explosion of Heteronuclear Clusters text January 2001
Temperature measurements of fusion plasmas produced by petawatt laser-irradiated D2-3He or CD4-3He clustering gases text January 2013
Chaos driven fusion enhancement factor at astrophysical energies text January 2004
Influence of the Electronic Chaotic Motion on the Fusion Dynamics at Astrophysical Energies preprint January 2005

Cited By (2)

Demonstration of laser-produced neutron diagnostic by radiative capture gamma-rays journal February 2018
Demonstration of Laser-produced Neutron Diagnostic by Radiative Capture Gamma-rays text January 2017

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