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Abstract
The interaction of 970 MeV protons with helium has been studied with a high-pressure diffusion cloud chamber. From 642 events the total and absorption cross-sections were found to be 116 ± 17 mb and 93 ± 13 mb, respectively. These agree with values obtained by extrapolation of known cross-sections for more complex nuclei, and the results are interpreted in terms of the optical model of the nucleus. The angular distribution for elastic-scattering yields an
α
-particle radius of 1⋅8 x 10
-13
cm. Quasi-elastic proton-proton and proton-neutron scattering, and more particularly charged meson production, show that the
α
-particle has some individual particle characteristics. Meson reabsorption appears unimportant.
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Khandaker MA, Doss M, Halpern I, Murakami T, Storm DW, Tieger DR, Burger WJ. Inclusive inelastic scattering of 96.5-MeV pi + and pi - by the hydrogen and helium isotopes. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1991; 44:24-36. [PMID: 9967370 DOI: 10.1103/physrevc.44.24] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Nagaoka R, Ohta K. Pauli-principle effects in pion scattering from the lightest nuclei. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1986; 33:1393-1406. [PMID: 9953290 DOI: 10.1103/physrevc.33.1393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Pevsner A, Rainwater J. Phase-Shift Optical Model Calculations for the Elastic Scattering of Pions on Aluminum. ACTA ACUST UNITED AC 1955. [DOI: 10.1103/physrev.100.1431] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Pevsner A, Rainwater J, Williams RE, Lindenbaum SJ. Elastic Scattering of Positive and Negative Pions on Aluminum. ACTA ACUST UNITED AC 1955. [DOI: 10.1103/physrev.100.1419] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Sargent CP, Cornelius R, Rinehart M, Lederman LM, Rogers K. Diffusion Cloud-Chamber Study of Very Slow Mesons. I. Internal Pair Formation. ACTA ACUST UNITED AC 1955. [DOI: 10.1103/physrev.98.1349] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Eisberg LM, Fowler WB, Lea RM, Shephard WD, Shutt RP, Thorndike AM, Whittemore WL. π−−pInteractions at 1.4 Bev. ACTA ACUST UNITED AC 1955. [DOI: 10.1103/physrev.97.797] [Citation(s) in RCA: 74] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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