Pion elastic scattering from polarizedC13in the energy region of theP33resonance
Autor: | Christopher Morris, M. A. Khandaker, R. Ivie, E. Insko, H. Ward, S. I. Penttilä, G. R. Burleson, S. M. Sterbenz, T. Averett, Gerald W Hoffmann, M. Purcell, D. Dehnhard, Soumya Chakravarti, Barry Ritchie, Y. F. Yen, K. Cranston, Yi Ju Yu, J. R. Comfort, J. A. Faucett, N. Tanaka, A. L. Williams, K. Johnson, Steven J. Greene, J. Görgen, C. F. Moore, J. Tinsley, B. Brinkmöller, J. M. O’Donnell, J. J. Jarmer, M. A. Franey, A. Klein, D. A. Smith, J. A. McGill, B. Berman, G. S. Kyle, H. T. Fortune, Martin L Barlett, Ricardo Alarcon |
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Rok vydání: | 1994 |
Předmět: | |
Zdroj: | Physical Review C. 50:897-908 |
ISSN: | 1089-490X 0556-2813 |
DOI: | 10.1103/physrevc.50.897 |
Popis: | A new development in polarized nuclear-target technology has made it possible to measure analyzing power, Ay, in pion elastic scattering from a polarized target.[1] Such measurements provide us with information on the isoscalar spin-flip strength of the nuclear transition which is very difficult to obtain otherwise. Differential cross sections, σ(Θ), for pion elastic scattering from nuclei with non-zero spin are dominated by the spin-independent (∆S = 0) amplitudes. Contributions from the spin-dependent (∆S = 1) amplitudes are usually negligible because σ(Θ) depends on the sum of the squares of those amplitudes. However, the Ay depend on the interference on the spin-independent and spin-dependent scattering amplitudes and are therefore quite sensitive to the spin-dependent forms. |
Databáze: | OpenAIRE |
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