About: Bare nucleus S(E) factor of the H-2(d,p)H-3 and H-2(d,n)He-3 reactions via the Trojan Horse Method     Goto   Sponge   NotDistinct   Permalink

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  • The Trojan Horse Method was applied for the first time to the H-2(d,p)H-3 and H-2(d,n)He-3 reactions by measuring the H-2(He-3,p(3)H)H-1 and H-2(He-3,n(3)He)H-1 processes in quasi free kinematics. The He-3+d experiment was performed at 18 MeV, corresponding the a d-d energy range from 1.5 MeV down to 2 keV. This range overlaps with the relevant region for Standard Big Bang Nucleosynthesis as well as with the thermal energies of future fusion reactors and deuterium burning in the Pre Main Sequence phase of stellar evolution. This is the first pioneering experiment in quasi free regime where the charged spectator is detected. Both the energy dependence and the absolute value of the bare nucleus S(E) factors have been extracted for the first time. They deviate by more than 15% from available direct data with new S(0) values of 57.4 +/- 1.8 MeVb for H-3+p and 60.1 +/- 1.9 MeVb for He-3+n. None of the existing fitting curves is able to provide the correct slope of the new data in the full range, thus calling for a revision of the theoretical description. This has consequences in the calculation of the reaction rates with more than a 25% increase at the temperatures of future fusion reactors.
  • The Trojan Horse Method was applied for the first time to the H-2(d,p)H-3 and H-2(d,n)He-3 reactions by measuring the H-2(He-3,p(3)H)H-1 and H-2(He-3,n(3)He)H-1 processes in quasi free kinematics. The He-3+d experiment was performed at 18 MeV, corresponding the a d-d energy range from 1.5 MeV down to 2 keV. This range overlaps with the relevant region for Standard Big Bang Nucleosynthesis as well as with the thermal energies of future fusion reactors and deuterium burning in the Pre Main Sequence phase of stellar evolution. This is the first pioneering experiment in quasi free regime where the charged spectator is detected. Both the energy dependence and the absolute value of the bare nucleus S(E) factors have been extracted for the first time. They deviate by more than 15% from available direct data with new S(0) values of 57.4 +/- 1.8 MeVb for H-3+p and 60.1 +/- 1.9 MeVb for He-3+n. None of the existing fitting curves is able to provide the correct slope of the new data in the full range, thus calling for a revision of the theoretical description. This has consequences in the calculation of the reaction rates with more than a 25% increase at the temperatures of future fusion reactors. (en)
Title
  • Bare nucleus S(E) factor of the H-2(d,p)H-3 and H-2(d,n)He-3 reactions via the Trojan Horse Method
  • Bare nucleus S(E) factor of the H-2(d,p)H-3 and H-2(d,n)He-3 reactions via the Trojan Horse Method (en)
skos:prefLabel
  • Bare nucleus S(E) factor of the H-2(d,p)H-3 and H-2(d,n)He-3 reactions via the Trojan Horse Method
  • Bare nucleus S(E) factor of the H-2(d,p)H-3 and H-2(d,n)He-3 reactions via the Trojan Horse Method (en)
skos:notation
  • RIV/61389005:_____/12:00388237!RIV13-AV0-61389005
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I
http://linked.open...iv/cisloPeriodika
  • 012017
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http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 124455
http://linked.open...ai/riv/idVysledku
  • RIV/61389005:_____/12:00388237
http://linked.open...riv/jazykVysledku
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  • nuclear astrophysics; indiret methods; electron screening (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [731E92866E2A]
http://linked.open...i/riv/nazevZdroje
  • Journal of Physics: Conference Series
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 337
http://linked.open...iv/tvurceVysledku
  • Burjan, Václav
  • Hons, Zdeněk
  • Kroha, Václav
  • La Cognata, M.
  • Mrázek, Jaromír
  • Mukhamedzhanov, A. M.
  • Piskoř, Štěpán
  • Romano, S.
  • Sergi, M. L.
  • Spitaleri, C.
  • Aliotta, M.
  • Kiss, G. G.
  • Lamia, L.
  • Pizzone, R. G.
  • Rapisarda, G. G.
  • Tumino, A.
  • Sparta, R.
  • Typel, S.
  • del Santo, M.
http://linked.open...ain/vavai/riv/wos
  • 000300434600017
issn
  • 1742-6588
number of pages
http://bibframe.org/vocab/doi
  • 10.1088/1742-6596/337/1/012017
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