Spin Decomposition of the Δ Resonance Cross Section Using the 12C(p,n) Reaction at Ep=795MeV

D. L. Prout, S. DeLucia, D. Cooper, B. Luther, E. Sugarbaker, T. N. Taddeucci, L. J. Rybarcyk, J. Rapaport, B. K. Park, C. D. Goodman, G. Edwards, C. Glashausser, T. Sams, T. Udagawa, and F. Osterfeld
Phys. Rev. Lett. 76, 4488 – Published 10 June 1996
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Abstract

The first (p,n) polarization-transfer measurements for delta production on a nuclear target are presented for the 12C(p,n) reaction at 0° and 795 MeV. Polarization observables are used to extract the spin-longitudinal, spin-transverse, and spin-independent partial cross sections. In the spin-longitudinal channel, fair agreement is found between experiment and a model which includes a strongly attractive residual interaction. A large unexpected enhancement in the spin-transverse cross section is observed.

  • Received 18 January 1996

DOI:https://doi.org/10.1103/PhysRevLett.76.4488

©1996 American Physical Society

Authors & Affiliations

D. L. Prout1, S. DeLucia1, D. Cooper1, B. Luther1, E. Sugarbaker1, T. N. Taddeucci2, L. J. Rybarcyk2, J. Rapaport3, B. K. Park4, C. D. Goodman5, G. Edwards6, C. Glashausser6, T. Sams7, T. Udagawa8, and F. Osterfeld9

  • 1The Ohio State University, Columbus, Ohio 43210
  • 2Los Alamos National Laboratory, Los Alamos, New Mexico 87545
  • 3Ohio University, Athens, Ohio 45701
  • 4New Mexico State University, Las Cruces, New Mexico 88003
  • 5Indiana University Cyclotron Facility, Bloomington, Indiana 47405
  • 6Rutgers University, Piscataway, New Jersey 08855
  • 7Niels Bohr Institute, Blegdamsvej 17, DK-2100 Copenhagen Ø, Denmark
  • 8University of Texas, Austin, Texas 78712
  • 9Institut für Kernphysik, Kenforschungsanlage Jülich GmbH, 52425 Jülich, Germany

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Vol. 76, Iss. 24 — 10 June 1996

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