Evidence for α -cluster structure in Ne 21 in the first measurement of resonant O 17 +α elastic scattering

A. K. Nurmukhanbetova; V. Z. Goldberg; D. K. Nauruzbayev; M. S. Golovkov; A. Volya

doi:10.1103/PhysRevC.100.062802

Evidence for α -cluster structure in Ne 21 in the first measurement of resonant O 17 +α elastic scattering

A. K. Nurmukhanbetova, V. Z. Goldberg, D. K. Nauruzbayev, M. S. Golovkov, A. Volya

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Abstract

The first study of resonances in O17+α elastic scattering was carried out using the thick target inverse kinematics method. The data were analyzed in the framework of an R-matrix approach. Many α-cluster states were found in the Ne21 excitation region of the 9-13 MeV excitation energy including the first observation of a broad l=0 state in an odd-even nucleus, which is likely the analog of the broad 0+ at 8 MeV in Ne20. The observed structure in Ne21 appeared to be strikingly similar to that populated in the resonant O16+α scattering in Ne20. The results are also useful for refinement of data on an O17(α,n) reaction important for astrophysics.

Original language	English
Article number	062802
Journal	Physical Review C
Volume	100
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevC.100.062802
Publication status	Published - Dec 26 2019

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.100.062802

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title = "Evidence for α -cluster structure in Ne 21 in the first measurement of resonant O 17 +α elastic scattering",

abstract = "The first study of resonances in O17+α elastic scattering was carried out using the thick target inverse kinematics method. The data were analyzed in the framework of an R-matrix approach. Many α-cluster states were found in the Ne21 excitation region of the 9-13 MeV excitation energy including the first observation of a broad l=0 state in an odd-even nucleus, which is likely the analog of the broad 0+ at 8 MeV in Ne20. The observed structure in Ne21 appeared to be strikingly similar to that populated in the resonant O16+α scattering in Ne20. The results are also useful for refinement of data on an O17(α,n) reaction important for astrophysics.",

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AU - Nurmukhanbetova, A. K.

AU - Goldberg, V. Z.

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AU - Golovkov, M. S.

AU - Volya, A.

PY - 2019/12/26

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