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JIA Baolu, HU Jun, HE Jianjun, XU Shiwei, H. Yamaguchi, D. Kahl, MA Peng, SU Jun, WANG Hongwei, T. Nakao, Y. Wakabayashi, T. Teranishi, K. I. Hahn, J. Y. Moon, H. S. Jung, T. Hashimoto, A. A. Chen, D. Irvine, C. S. Lee, S. Kubono. Measurement of 1H(17F,α)14O Reaction Cross Section[J]. Nuclear Physics Review, 2019, 36(1): 37-42. doi: 10.11804/NuclPhysRev.36.01.037
Citation: JIA Baolu, HU Jun, HE Jianjun, XU Shiwei, H. Yamaguchi, D. Kahl, MA Peng, SU Jun, WANG Hongwei, T. Nakao, Y. Wakabayashi, T. Teranishi, K. I. Hahn, J. Y. Moon, H. S. Jung, T. Hashimoto, A. A. Chen, D. Irvine, C. S. Lee, S. Kubono. Measurement of 1H(17F,α)14O Reaction Cross Section[J]. Nuclear Physics Review, 2019, 36(1): 37-42. doi: 10.11804/NuclPhysRev.36.01.037

Measurement of 1H(17F,α)14O Reaction Cross Section

doi: 10.11804/NuclPhysRev.36.01.037
Funds:  National Key Research and Development Program(2016YFA0400503)
  • Received Date: 2018-08-09
  • Rev Recd Date: 2018-09-28
  • Publish Date: 2019-03-20
  • The 14O(α, p)17F reaction is one of the important breakout reactions in type I X-ray burst. This work reported a new cross section measurement of its reverse reaction of 1H(17F,α)14O. The experiment was performed using the CNS radioactive ion beam separator (CRIB), located at the Center for Nuclear Study (CNS), the University of Tokyo. The sequent background measurement was carried out at Radioactive Beam Line in Lanzhou (RIBLL1). 17F beam was produced via the transfer reaction of 2H(16O, n)17F, subsequently separated and purified by CRIB and bombarded a thick hydrogen H2 gas target. The recoiling α particles were measured by three △E-E silicon telescopes at three different angles. The total cross sections of 1H(17F,α)14O have been derived at Ec.m.=2.7~3.4 MeV based on an isotropic angular distribution assumption. Our results are consistent with the previous ones in the energy region of Ec.m.>3 MeV, and we also obtained some new data in the low energy region, which partly support the destructive interference between the direct and resonant reaction mechanism predicted by the theory.
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Measurement of 1H(17F,α)14O Reaction Cross Section

doi: 10.11804/NuclPhysRev.36.01.037
Funds:  National Key Research and Development Program(2016YFA0400503)

Abstract: The 14O(α, p)17F reaction is one of the important breakout reactions in type I X-ray burst. This work reported a new cross section measurement of its reverse reaction of 1H(17F,α)14O. The experiment was performed using the CNS radioactive ion beam separator (CRIB), located at the Center for Nuclear Study (CNS), the University of Tokyo. The sequent background measurement was carried out at Radioactive Beam Line in Lanzhou (RIBLL1). 17F beam was produced via the transfer reaction of 2H(16O, n)17F, subsequently separated and purified by CRIB and bombarded a thick hydrogen H2 gas target. The recoiling α particles were measured by three △E-E silicon telescopes at three different angles. The total cross sections of 1H(17F,α)14O have been derived at Ec.m.=2.7~3.4 MeV based on an isotropic angular distribution assumption. Our results are consistent with the previous ones in the energy region of Ec.m.>3 MeV, and we also obtained some new data in the low energy region, which partly support the destructive interference between the direct and resonant reaction mechanism predicted by the theory.

JIA Baolu, HU Jun, HE Jianjun, XU Shiwei, H. Yamaguchi, D. Kahl, MA Peng, SU Jun, WANG Hongwei, T. Nakao, Y. Wakabayashi, T. Teranishi, K. I. Hahn, J. Y. Moon, H. S. Jung, T. Hashimoto, A. A. Chen, D. Irvine, C. S. Lee, S. Kubono. Measurement of 1H(17F,α)14O Reaction Cross Section[J]. Nuclear Physics Review, 2019, 36(1): 37-42. doi: 10.11804/NuclPhysRev.36.01.037
Citation: JIA Baolu, HU Jun, HE Jianjun, XU Shiwei, H. Yamaguchi, D. Kahl, MA Peng, SU Jun, WANG Hongwei, T. Nakao, Y. Wakabayashi, T. Teranishi, K. I. Hahn, J. Y. Moon, H. S. Jung, T. Hashimoto, A. A. Chen, D. Irvine, C. S. Lee, S. Kubono. Measurement of 1H(17F,α)14O Reaction Cross Section[J]. Nuclear Physics Review, 2019, 36(1): 37-42. doi: 10.11804/NuclPhysRev.36.01.037
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