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Comparison of polarization and analyzing power for the 15N(p, n)15O reaction

Publication ,  Journal Article
Byrd, RC; Tornow, W; Lisowski, PW; Murphy, K; Walter, RL
Published in: Nuclear Physics, Section A
November 21, 1983

The analyzing power Ay(θ) and polarization Py(θ) for the 15N(p, n0)15O reaction have been measured for Ep = 4.5-11.3 MeV. The values of the two observables are nearly the same above 11 MeV, where a "quasi-elastic" view of the (p, n) reaction to the analog state should be applicable. Below 10 MeV, however, large spin-flip amplitudes and isospin-mixing ratios provide the two major conditions needed to obtain Py(θ) ≠ Ay(θ), and dramatic differences between the two observables are observed. The size of the differences and their dependence on energy are similar to the results predicted by shell-model calculations. The Py(θ) and Ay(θ) measurements have been combined with existing cross-section data to provide information about spin-flip processes. We also comment on the connection between comparisons of Py (θ) and Ay (θ) in charge-symmetric (p, n) reactions and the recent controversial measurements of a difference between the values of Py(θ) for a reaction and Ay(θ) for the inverse reaction. © 1983.

Duke Scholars

Published In

Nuclear Physics, Section A

DOI

ISSN

0375-9474

Publication Date

November 21, 1983

Volume

410

Issue

1

Start / End Page

29 / 49

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5106 Nuclear and plasma physics
  • 5101 Astronomical sciences
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
 

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Byrd, R. C., Tornow, W., Lisowski, P. W., Murphy, K., & Walter, R. L. (1983). Comparison of polarization and analyzing power for the 15N(p, n)15O reaction. Nuclear Physics, Section A, 410(1), 29–49. https://doi.org/10.1016/0375-9474(83)90399-8
Byrd, R. C., W. Tornow, P. W. Lisowski, K. Murphy, and R. L. Walter. “Comparison of polarization and analyzing power for the 15N(p, n)15O reaction.” Nuclear Physics, Section A 410, no. 1 (November 21, 1983): 29–49. https://doi.org/10.1016/0375-9474(83)90399-8.
Byrd RC, Tornow W, Lisowski PW, Murphy K, Walter RL. Comparison of polarization and analyzing power for the 15N(p, n)15O reaction. Nuclear Physics, Section A. 1983 Nov 21;410(1):29–49.
Byrd, R. C., et al. “Comparison of polarization and analyzing power for the 15N(p, n)15O reaction.” Nuclear Physics, Section A, vol. 410, no. 1, Nov. 1983, pp. 29–49. Scopus, doi:10.1016/0375-9474(83)90399-8.
Byrd RC, Tornow W, Lisowski PW, Murphy K, Walter RL. Comparison of polarization and analyzing power for the 15N(p, n)15O reaction. Nuclear Physics, Section A. 1983 Nov 21;410(1):29–49.
Journal cover image

Published In

Nuclear Physics, Section A

DOI

ISSN

0375-9474

Publication Date

November 21, 1983

Volume

410

Issue

1

Start / End Page

29 / 49

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5106 Nuclear and plasma physics
  • 5101 Astronomical sciences
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences