Double charge exchange to the double isobaric analog state at Tπ∼292 MeV

J. D. Zumbro, H. T. Fortune, M. Burlein, C. L. Morris, Z.-F. Wang, R. Gilman, Kalvir S. Dhuga, G. R. Burleson, M. W. Rawool, R. W. Garnett, M. J. Smithson, D. S. Oakley, S. Mordechai, C. Fred Moore, and M. A. Machuca, D. L. Watson, and N. Auerbach
Phys. Rev. C 36, 1479 – Published 1 October 1987
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Abstract

Measurements of cross sections for the (π+,π) reaction to the double isobaric analog state on targets of Si30, S34, Ca44, Ti50, V51, Cr52, and Ni58 at θlab=5° and an incident pion kinetic energy of ∼292 MeV are presented. We also present limits for the cross section to the residual ground state for the four T>1 targets. The data are compared with a phenomenological two-amplitude model and with a two-amplitude model that uses seniority-zero shell-model wave functions. The latter model provides expressions for both ground state and double isobaric analog state cross sections.

  • Received 27 April 1987

DOI:https://doi.org/10.1103/PhysRevC.36.1479

©1987 American Physical Society

Authors & Affiliations

J. D. Zumbro, H. T. Fortune, and M. Burlein

  • University of Pennsylvania, Philadelphia, Pennsylvania 19104

C. L. Morris and Z.-F. Wang

  • Los Alamos National Laboratory, Los Alamos, New Mexico 87545

R. Gilman

  • University of Pennsylvania, Philadelphia, Pennsylvania 19104
  • Argonne National Laboratory, Argonne, Illinois 60439

Kalvir S. Dhuga and G. R. Burleson

  • New Mexico State University, Las Cruces, New Mexico 88003

M. W. Rawool and R. W. Garnett

  • New Mexico State University, Las Cruces, New Mexico 88003
  • Argonne National Laboratory, Argonne, Illinois 60439

M. J. Smithson, D. S. Oakley, S. Mordechai, C. Fred Moore, and and M. A. Machuca

  • University of Texas at Austin, Austin, Texas 78712

D. L. Watson

  • Los Alamos National Laboratory, Los Alamos, New Mexico 87545
  • University of York, Heslington, York Y01 5DD, United Kingdom

N. Auerbach

  • Los Alamos National Laboratory, Los Alamos, New Mexico 87545
  • University of Tel Aviv, Tel Aviv, Israel

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Issue

Vol. 36, Iss. 4 — October 1987

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