Pion scattering to 6- stretched states in Mg24 and Mg26

R. A. Lindgren, B. L. Clausen, G. S. Blanpied, J. Hernandez, C. S. Mishra, W. K. Mize, C. S. Whisnant, Barry Ritchie, C. L. Morris, S. J. Seestrom-Morris, C. Fred Moore, P. A. Seidl, B. H. Wildenthal, R. Gilman, J. A. Carr

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Abstract

Inelastic cross-section measurements at pion incident energies of 150 and 180 MeV were made on 6- states in Mg24,26. In particular, we have determined the (f7/2d5/2-1)6- isoscalar Z0=0.210.02 strength for the strongest T=0, J =6- state located at 12.110.05 MeV in Mg24, and the isoscalar Z0=0.170.04 and isovector Z1=0.210.02 strength for the strongest T=1, J =6- state located at 9.18 MeV in Mg26. The distorted-wave impulse-approximation pion cross-section calculations required a multiplicative normalization factor of 1.20.1 in order to reproduce the pure isovector strength deduced from electron scattering for the well-known T=1, =6- state at 15.15 MeV in Mg24 and the T=2, J =6- state at 18.05 MeV in Mg26.

Original languageEnglish (US)
Pages (from-to)2413-2418
Number of pages6
JournalPhysical Review C
Volume44
Issue number6
DOIs
StatePublished - 1991

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pions
scattering
cross sections
impulses
electron scattering
approximation
energy

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Nuclear and High Energy Physics

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Lindgren, R. A., Clausen, B. L., Blanpied, G. S., Hernandez, J., Mishra, C. S., Mize, W. K., ... Carr, J. A. (1991). Pion scattering to 6- stretched states in Mg24 and Mg26. Physical Review C, 44(6), 2413-2418. https://doi.org/10.1103/PhysRevC.44.2413

Pion scattering to 6- stretched states in Mg24 and Mg26. / Lindgren, R. A.; Clausen, B. L.; Blanpied, G. S.; Hernandez, J.; Mishra, C. S.; Mize, W. K.; Whisnant, C. S.; Ritchie, Barry; Morris, C. L.; Seestrom-Morris, S. J.; Moore, C. Fred; Seidl, P. A.; Wildenthal, B. H.; Gilman, R.; Carr, J. A.

In: Physical Review C, Vol. 44, No. 6, 1991, p. 2413-2418.

Research output: Contribution to journalArticle

Lindgren, RA, Clausen, BL, Blanpied, GS, Hernandez, J, Mishra, CS, Mize, WK, Whisnant, CS, Ritchie, B, Morris, CL, Seestrom-Morris, SJ, Moore, CF, Seidl, PA, Wildenthal, BH, Gilman, R & Carr, JA 1991, 'Pion scattering to 6- stretched states in Mg24 and Mg26', Physical Review C, vol. 44, no. 6, pp. 2413-2418. https://doi.org/10.1103/PhysRevC.44.2413
Lindgren RA, Clausen BL, Blanpied GS, Hernandez J, Mishra CS, Mize WK et al. Pion scattering to 6- stretched states in Mg24 and Mg26. Physical Review C. 1991;44(6):2413-2418. https://doi.org/10.1103/PhysRevC.44.2413
Lindgren, R. A. ; Clausen, B. L. ; Blanpied, G. S. ; Hernandez, J. ; Mishra, C. S. ; Mize, W. K. ; Whisnant, C. S. ; Ritchie, Barry ; Morris, C. L. ; Seestrom-Morris, S. J. ; Moore, C. Fred ; Seidl, P. A. ; Wildenthal, B. H. ; Gilman, R. ; Carr, J. A. / Pion scattering to 6- stretched states in Mg24 and Mg26. In: Physical Review C. 1991 ; Vol. 44, No. 6. pp. 2413-2418.
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AU - Mize, W. K.

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AU - Ritchie, Barry

AU - Morris, C. L.

AU - Seestrom-Morris, S. J.

AU - Moore, C. Fred

AU - Seidl, P. A.

AU - Wildenthal, B. H.

AU - Gilman, R.

AU - Carr, J. A.

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N2 - Inelastic cross-section measurements at pion incident energies of 150 and 180 MeV were made on 6- states in Mg24,26. In particular, we have determined the (f7/2d5/2-1)6- isoscalar Z0=0.210.02 strength for the strongest T=0, J =6- state located at 12.110.05 MeV in Mg24, and the isoscalar Z0=0.170.04 and isovector Z1=0.210.02 strength for the strongest T=1, J =6- state located at 9.18 MeV in Mg26. The distorted-wave impulse-approximation pion cross-section calculations required a multiplicative normalization factor of 1.20.1 in order to reproduce the pure isovector strength deduced from electron scattering for the well-known T=1, =6- state at 15.15 MeV in Mg24 and the T=2, J =6- state at 18.05 MeV in Mg26.

AB - Inelastic cross-section measurements at pion incident energies of 150 and 180 MeV were made on 6- states in Mg24,26. In particular, we have determined the (f7/2d5/2-1)6- isoscalar Z0=0.210.02 strength for the strongest T=0, J =6- state located at 12.110.05 MeV in Mg24, and the isoscalar Z0=0.170.04 and isovector Z1=0.210.02 strength for the strongest T=1, J =6- state located at 9.18 MeV in Mg26. The distorted-wave impulse-approximation pion cross-section calculations required a multiplicative normalization factor of 1.20.1 in order to reproduce the pure isovector strength deduced from electron scattering for the well-known T=1, =6- state at 15.15 MeV in Mg24 and the T=2, J =6- state at 18.05 MeV in Mg26.

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