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Phys. Rev. C 55, 2533 - 2540 (1997)

Pion-nucleus elastic scattering on 12C, 40Ca, 90Zr, and 208Pb at 400 and 500 MeV

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George Kahrimanis1, George Burleson2, C. M. Chen4, B. C. Clark4, Kalvir Dhuga5, D. J. Ernst6, J. A. Faucett2, H. T. Fortune7, S. Hama8, Ahmed Hussein9, M. F. Jiang6, K. W. Johnson1, L. Kurth Kerr4, Scott Mathews5, John McGill10, C. Fred Moore1, Shaul Mordechai11, Christopher L. Morris10, John O'Donnell7, Mike Snell1, Mohini Rawool-Sullivan10, L. Ray1, Charles Whitley1, and Allen L. Williams1
1Department of Physics, University of Texas at Austin, Austin, Texas 78712-1081
2Department of Physics, New Mexico State University, Las Cruces, New Mexico 88003
3Saint John's and Saint Mary's Institute of Technology, #499 Section IV Tam-King Road, Tam-Sui, Taiwan 23135
4Department of Physics, The Ohio State University, Columbus, Ohio 43210
5Department of Physics, George Washington University, Washington, DC 20052
6Department of Physics and Astronomy, Vanderbilt University, Nashville, Tennessee 37235
7Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104
8Hiroshima University of Economics, Hiroshima 731-01, Japan
9University of Northern British Columbia, Prince George, British Columbia, Canada V2N 4Z9
10Los Alamos National Laboratory, Los Alamos, New Mexico 87545
11Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel

Received 27 November 1995; revised 3 January 1997

Pion-nucleus elastic scattering at energies above the Δ(1232) resonance is studied using both π+ and π- beams on 12C, 40Ca, 90Zr, and 208Pb. The present data provide an opportunity to study the interaction of pions with nuclei at energies where second-order corrections to impulse approximation calculations should be small. The results are compared with other data sets at similar energies and with four different first-order impulse approximation calculations. Significant disagreement exists between the calculations and the data from this experiment.


©1997 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevC.55.2533
DOI: 10.1103/PhysRevC.55.2533
PACS: 25.80.Ek, 24.10.-i, 24.30.Cz

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