Systematics of the double isobaric analog state cross section at 50 MeV

H. Ward; J. M. Applegate; N. Auerbach; J. Beck; J. Johnson; K. Koch; C. Fred Moore; S. Mordechai; C. L. Morris; J. M. O'Donnell; M. Rawool-Sullivan; B. G. Ritchie; D. L. Watson; C. Whitley

doi:10.1103/PhysRevC.47.687

Systematics of the double isobaric analog state cross section at 50 MeV

H. Ward^*, J. M. Applegate, N. Auerbach, J. Beck, J. Johnson, K. Koch, C. Fred Moore, S. Mordechai, C. L. Morris, J. M. O'Donnell, M. Rawool-Sullivan, B. G. Ritchie, D. L. Watson, C. Whitley

^*Corresponding author for this work

School of Physics and Astronomy

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Abstract

Double charge exchange cross sections for 50 MeV pions to double isobaric analog states in Ca44, Fe56, and Nb93 were measured. The results indicate that the effective double charge exchange operator at this energy has a strong short-range component. In addition, evidence is presented tending to implicate isospin mixing as the mechanism for excitation of the analog of the antianalog in Nb93.

Original language	English
Pages (from-to)	687-692
Number of pages	6
Journal	Physical Review C - Nuclear Physics
Volume	47
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevC.47.687
State	Published - 1993

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Ward, H., Applegate, J. M., Auerbach, N., Beck, J., Johnson, J., Koch, K., Moore, C. F., Mordechai, S., Morris, C. L., O'Donnell, J. M., Rawool-Sullivan, M., Ritchie, B. G., Watson, D. L., & Whitley, C. (1993). Systematics of the double isobaric analog state cross section at 50 MeV. Physical Review C - Nuclear Physics, 47(2), 687-692. https://doi.org/10.1103/PhysRevC.47.687

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doi = "10.1103/PhysRevC.47.687",

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AU - Johnson, J.

AU - Koch, K.

AU - Moore, C. Fred

AU - Mordechai, S.

AU - Morris, C. L.

AU - O'Donnell, J. M.

AU - Rawool-Sullivan, M.

AU - Ritchie, B. G.

AU - Watson, D. L.

AU - Whitley, C.

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AB - Double charge exchange cross sections for 50 MeV pions to double isobaric analog states in Ca44, Fe56, and Nb93 were measured. The results indicate that the effective double charge exchange operator at this energy has a strong short-range component. In addition, evidence is presented tending to implicate isospin mixing as the mechanism for excitation of the analog of the antianalog in Nb93.

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Systematics of the double isobaric analog state cross section at 50 MeV

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