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Search for enhancements due to pion condensation precursors in (p,p) reactions on C12

J.-L. Escudié, S. M. Austin, A. Boudard, G. Bruge, A. Chaumeaux, L. Farvacque, D. Legrand, J. C. Lugol, B. Mayer, P. Belery, P. T. Debevec, T. Delbar, J. Deutsch, G. Grégoire, R. Prieels, J. M. Cameron, C. Glashausser, and C. A. Whitten
Phys. Rev. C 24, 792(R) – Published 1 August 1981
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Abstract

Cross sections for the C12(p,p) reaction leading to the 1+ states at 15.1 MeV (T=1) and 12.7 MeV (T=0) were measured at a bombarding energy of 402 MeV. These data, covering a range of momentum transfer q from 0.45 to 2.65 fm1 (0.63.7mπ) provide a test of the effects, precursor to a pion condensate, predicted to be important for the T=1 state near q=23mπ. The cross sections for the two 1+ states are very similar for large q, perhaps indicating that the precursor effects are small.

[NUCLEAR REACTIONS C12(p,p); measured σ(θ), qc(23)mπ 15.1 MeV 1T+=1 and 12.7 MeV 1T+=0 levels; Ep=402 MeV; precursor effects discussed.]

  • Received 13 April 1981

DOI:https://doi.org/10.1103/PhysRevC.24.792

©1981 American Physical Society

Authors & Affiliations

J.-L. Escudié, S. M. Austin*, A. Boudard, G. Bruge, A. Chaumeaux, L. Farvacque, D. Legrand, J. C. Lugol, and B. Mayer

  • Centre d'Etudes Nucléaires Saclay, BP 2, F-91190 Gif-sur-Yvette Cèdex, France

P. Belery, P. T. Debevec, T. Delbar, J. Deutsch, G. Grégoire, and R. Prieels

  • Université Catholique de Louvain, B-1348 Louvain-la-Neuve, Belgium

J. M. Cameron

  • University of Alberta, Edmonton, Alberta T6G 2N5, Canada

C. Glashausser

  • Rutgers University, New Brunswick, New Jersey 08903

C. A. Whitten

  • University of California at Los Angeles, Los Angeles, California 90024

  • *Present address: Cyclotron Laboratory, Michigan State University, East Lansing, Mich. 48824.
  • Present address: Department of Physics, University of Illinois, Urbana, Ill. 61801.

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Vol. 24, Iss. 2 — August 1981

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