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Article Navigation >  Nuclear Physics Review  > 2009  >  26(5): 153-157

HE Jian-jun, S.Kubono, T.Teranishi, M.Notani, H.Baba, et al.. Study of Proton Resonances in 22Mg by Resonant Elastic Scattering of 21Na+p and Its Astrophysical Implication in 18Ne(α, p)21Na Reaction Rate[J]. Nuclear Physics Review, 2009, 26(5): 153-157. doi: 10.11804/NuclPhysRev.26.S1.153
Citation: HE Jian-jun, S.Kubono, T.Teranishi, M.Notani, H.Baba, et al.. Study of Proton Resonances in 22Mg by Resonant Elastic Scattering of 21Na+p and Its Astrophysical Implication in 18Ne(α, p)21Na Reaction Rate[J]. Nuclear Physics Review, 2009, 26(5): 153-157. doi: 10.11804/NuclPhysRev.26.S1.153
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Study of Proton Resonances in 22Mg by Resonant Elastic Scattering of 21Na+p and Its Astrophysical Implication in 18Ne(α, p)21Na Reaction Rate

doi: 10.11804/NuclPhysRev.26.S1.153

  • 1 Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; 2 Center for Nuclear Study, University of Tokyo(CNS), Wako Branch, 21 Hirosawa, Wako, Saitama 3510198, Japan; 3 Department of Physics, Kyushu University, 6101 Hakozaki, Fukuoka 8128581, Japan; 4 RIKEN(The Institute of Physical and Chemical Research), 21 Hirosawa, Wako, Saitama 3510198, Japan; 5 Department of Physics, ChungAng University, Seoul 156756, Republic of Korea; 6 Department of Physics, Yamagata University, Yamagata 9908560, Japan

  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2020-05-11
  • Proton resonant states in 22Mg have been investigated by the resonant elastic scattering of 21Na+p. The 21Na beam with a mean energy of 4.00 MeV/u was separated by the CNS radioactive ion beam separator(CRIB) and bombarded a thick(CH2)n target. The energy spectra of recoiled protons were measured at scattering angles of θcm ≈172° and 146°, respectively. A new state at 7.06 MeV has been observed clearly and another new one at 7.28 MeV is tentatively identified due to its low statistics. The roton resonant parameters were deduced from an Rmatrix analysis of the differential cross section data. The astrophysical esonant reaction rate for the 18Ne(α, p)21Na reaction has been estimated, and it is about five times larger than that assumed before.
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Study of Proton Resonances in 22Mg by Resonant Elastic Scattering of 21Na+p and Its Astrophysical Implication in 18Ne(α, p)21Na Reaction Rate

doi: 10.11804/NuclPhysRev.26.S1.153
  • 1 Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; 2 Center for Nuclear Study, University of Tokyo(CNS), Wako Branch, 21 Hirosawa, Wako, Saitama 3510198, Japan; 3 Department of Physics, Kyushu University, 6101 Hakozaki, Fukuoka 8128581, Japan; 4 RIKEN(The Institute of Physical and Chemical Research), 21 Hirosawa, Wako, Saitama 3510198, Japan; 5 Department of Physics, ChungAng University, Seoul 156756, Republic of Korea; 6 Department of Physics, Yamagata University, Yamagata 9908560, Japan
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2020-05-11

Abstract: Proton resonant states in 22Mg have been investigated by the resonant elastic scattering of 21Na+p. The 21Na beam with a mean energy of 4.00 MeV/u was separated by the CNS radioactive ion beam separator(CRIB) and bombarded a thick(CH2)n target. The energy spectra of recoiled protons were measured at scattering angles of θcm ≈172° and 146°, respectively. A new state at 7.06 MeV has been observed clearly and another new one at 7.28 MeV is tentatively identified due to its low statistics. The roton resonant parameters were deduced from an Rmatrix analysis of the differential cross section data. The astrophysical esonant reaction rate for the 18Ne(α, p)21Na reaction has been estimated, and it is about five times larger than that assumed before.

HE Jian-jun, S.Kubono, T.Teranishi, M.Notani, H.Baba, et al.. Study of Proton Resonances in 22Mg by Resonant Elastic Scattering of 21Na+p and Its Astrophysical Implication in 18Ne(α, p)21Na Reaction Rate[J]. Nuclear Physics Review, 2009, 26(5): 153-157. doi: 10.11804/NuclPhysRev.26.S1.153
Citation: HE Jian-jun, S.Kubono, T.Teranishi, M.Notani, H.Baba, et al.. Study of Proton Resonances in 22Mg by Resonant Elastic Scattering of 21Na+p and Its Astrophysical Implication in 18Ne(α, p)21Na Reaction Rate[J]. Nuclear Physics Review, 2009, 26(5): 153-157. doi: 10.11804/NuclPhysRev.26.S1.153
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