Elastic Scattering of 162-MeV Pions by Nuclei

The elastic scattering of 162-MeV ..pi../sup +/ and ..pi../sup -/ /sup 9/Be, Si, /sup 5/8Ni and /sup 2/08Pb have been measured. All angular distributions, except for /sup 9/Be, exhibit strong diffraction patterns. Optical-model calculations with matter distributions deduced from electron scattering...

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Veröffentlicht in:	Phys. Rev. Lett.; (United States) 1978-01, Vol.40 (20), p.1316-1320
Hauptverfasser:	Zeidman, B., Olmer, C., Geesaman, D. F., Boudrie, R. L., Siemssen, R. H., Amann, J. F., Morris, C. L., Thiessen, H. A., Burleson, G. R., Devereux, M. J., Segel, R. E., Swenson, L. W.
Format:	Artikel
Sprache:	eng
Schlagworte:	651325 - Nuclear Properties & Reactions, A=6-19, Experimental- Nuclear Reactions & Scattering- (-1987) 651425 - Nuclear Properties & Reactions, A=20-38, Experimental- Nuclear Reactions & Scattering- (-1987) 651525 - Nuclear Properties & Reactions, A=39-58, Experimental- Nuclear Reactions & Scattering- (-1987) 651925 - Nuclear Properties & Reactions, A=190-219, Experimental- Nuclear Reactions & Scattering- (-1987) ANGULAR DISTRIBUTION BERYLLIUM 9 TARGET CHARGE DISTRIBUTION CHARGED-PARTICLE REACTIONS COULOMB FIELD DISTRIBUTION ELASTIC SCATTERING ELECTRIC FIELDS ELEMENTS ENERGY RANGE ENERGY SPECTRA HADRON REACTIONS LEAD 208 TARGET MESON REACTIONS MEV RANGE MEV RANGE 100-1000 NICKEL 58 TARGET NUCLEAR PHYSICS AND RADIATION PHYSICS NUCLEAR PROPERTIES NUCLEAR RADII NUCLEAR REACTIONS OPTICAL MODELS PION MINUS REACTIONS PION PLUS REACTIONS PION REACTIONS SCATTERING SEMIMETALS SILICON SPECTRA TARGETS
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Zusammenfassung:	The elastic scattering of 162-MeV ..pi../sup +/ and ..pi../sup -/ /sup 9/Be, Si, /sup 5/8Ni and /sup 2/08Pb have been measured. All angular distributions, except for /sup 9/Be, exhibit strong diffraction patterns. Optical-model calculations with matter distributions deduced from electron scattering qualitatively reproduce the data, but better agreement for all but /sup 9/Be can be obtained with suitable modifications. No substantial differences in neutron- and proton-matter radii are indicated.
ISSN:	0031-9007
DOI:	10.1103/PhysRevLett.40.1316