Extrapolation of scattering data to the negative-energy region. III. Application to the system
Abstract
Using scattering data may give valuable information on the features of bound states, particularly on asymptotic normalization coefficients (ANCs), which, in contrast to binding energies, cannot be directly measured. The ANCs are fundamental nuclear characteristics that are important, for example, for evaluating cross sections of peripheral astrophysical nuclear reactions. One of the direct ways to extract ANCs from experimental data is the analytic continuation in the energy plane of the partial-wave elastic scattering amplitudes, obtained by the phase-shift analysis, to the pole corresponding to a bound state. Such a procedure, in contrast to the method of constructing optical potentials fitted to scattering data, allows one to circumvent an ambiguity problem associated with the model dependence of potentials. In this work the problem of analytic continuation of the scattering data to the negative-energy region to obtain information on ANCs of bound states is discussed. We explore two different methods of analytic continuations of the elastic scattering phase shifts of the p–16O system which is of interest for nuclear astrophysics. As a result, the ANCs for the ground 5/2+ and excited 1/2+ states of 17F are determined.
- Authors:
-
- Lomonosov Moscow State Univ., Moscow (Russia); Pacific National Univ., Khabarovsk (Russia)
- Curtin Univ., Perth, WA (Australia)
- Texas A & M Univ., College Station, TX (United States)
- Lomonosov Moscow State Univ., Moscow (Russia)
- Publication Date:
- Research Org.:
- Texas A & M Univ., College Station, TX (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1489238
- Alternate Identifier(s):
- OSTI ID: 1488902
- Grant/Contract Number:
- NA0003841; FG02-93ER40773
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review C
- Additional Journal Information:
- Journal Volume: 98; Journal Issue: 6; Journal ID: ISSN 2469-9985
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS
Citation Formats
Blokhintsev, L. D., Kadyrov, A. S., Mukhamedzhanov, A. M., and Savin, D. A. Extrapolation of scattering data to the negative-energy region. III. Application to the p–O16 system. United States: N. p., 2018.
Web. doi:10.1103/PhysRevC.98.064610.
Blokhintsev, L. D., Kadyrov, A. S., Mukhamedzhanov, A. M., & Savin, D. A. Extrapolation of scattering data to the negative-energy region. III. Application to the p–O16 system. United States. https://doi.org/10.1103/PhysRevC.98.064610
Blokhintsev, L. D., Kadyrov, A. S., Mukhamedzhanov, A. M., and Savin, D. A. Wed .
"Extrapolation of scattering data to the negative-energy region. III. Application to the p–O16 system". United States. https://doi.org/10.1103/PhysRevC.98.064610. https://www.osti.gov/servlets/purl/1489238.
@article{osti_1489238,
title = {Extrapolation of scattering data to the negative-energy region. III. Application to the p–O16 system},
author = {Blokhintsev, L. D. and Kadyrov, A. S. and Mukhamedzhanov, A. M. and Savin, D. A.},
abstractNote = {Using scattering data may give valuable information on the features of bound states, particularly on asymptotic normalization coefficients (ANCs), which, in contrast to binding energies, cannot be directly measured. The ANCs are fundamental nuclear characteristics that are important, for example, for evaluating cross sections of peripheral astrophysical nuclear reactions. One of the direct ways to extract ANCs from experimental data is the analytic continuation in the energy plane of the partial-wave elastic scattering amplitudes, obtained by the phase-shift analysis, to the pole corresponding to a bound state. Such a procedure, in contrast to the method of constructing optical potentials fitted to scattering data, allows one to circumvent an ambiguity problem associated with the model dependence of potentials. In this work the problem of analytic continuation of the scattering data to the negative-energy region to obtain information on ANCs of bound states is discussed. We explore two different methods of analytic continuations of the elastic scattering phase shifts of the p–16O system which is of interest for nuclear astrophysics. As a result, the ANCs for the ground 5/2+ and excited 1/2+ states of 17F are determined.},
doi = {10.1103/PhysRevC.98.064610},
journal = {Physical Review C},
number = 6,
volume = 98,
place = {United States},
year = {Wed Dec 26 00:00:00 EST 2018},
month = {Wed Dec 26 00:00:00 EST 2018}
}
Web of Science
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Works referencing / citing this record:
New method of analytic continuation of elastic-scattering data to the negative-energy region, and asymptotic normalization coefficients for and
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