Phys. Rev. Lett. 43, 844 - 847 (1979)Neutron Radii Determinations from the Ratio of π- Elastic Scattering from 12, 13C and 16, 18O |
PRL Celebrates 50 Years
This Week's Milestone Letters are from 1981: |
R. R. Johnson, T. Masterson, B. Bassalleck, W. Gyles, T. Marks, and K. L. Erdman
Physics Department, University of British Columbia, Vancouver, British Columbia V6T 1W5, Canada
A. W. Thomas and D. R. Gill
TRIUMF, Vancouver, British Columbia V6T 1W5, Canada
E. Rost and J. J. Kraushaar *
University of Colorado, Boulder, Colorado 80309
J. Alster *
Physics Department, Tel-Aviv University, Ramat Aviv, Israel
C. Sabev *
CERN, 1211 Geneva, Switzerland
J. Arvieux *
Institut des Sciences Nucléaires, Institut National de Physique Nucléaire et de Physique des Particules, F38044 Grenoble, France
M. Krell *
Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada
Received 7 May 1979
Differential elastic cross-section ratios and absolute cross sections have been measured for 12, 13C at 29.2-and 49.5-MeV average π- energy and for 16, 18O at 29.2 MeV. Range telescopes detected the scattered pions. The ratio data were compared with different optical-potential calculations to extract neutron radii of 2.35 ± 0.03 fm for 13C and 2.81 ± 0.03 fm for 18O, relative to the neutron radii of 12C (2.31) and 16O (2.60), respectively. Our studies indicate little sensitivity to the optical model used.
©1979 The American Physical Society
URL: http://link.aps.org/abstract/PRL/v43/p844
DOI: 10.1103/PhysRevLett.43.844
* TRIUMF visitor.
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