HELICITY AND PLANAR AMPLITUDES IN PION-PROTON SCATTERING AT 6.0 GeV/c
In addition to optimal conditions, invariant laws of Lorentz, parity and time reversal are imposed to find the relation between observables (spin rotation parameters) and bilinear combination of helicity amplitudes in pion-proton elastic scattering at 6.0 GeV/c. By normalizing the differential cross...
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| Format: | Article |
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| Language: | English |
| Published: |
University of Tehran
1995-08-01
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| Series: | Journal of Sciences, Islamic Republic of Iran |
| Online Access: | https://jsciences.ut.ac.ir/article_31342_4df098407f89202d9b3724cb66dedc5f.pdf |
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| Summary: | In addition to optimal conditions, invariant laws of Lorentz, parity and time
reversal are imposed to find the relation between observables (spin rotation
parameters) and bilinear combination of helicity amplitudes in pion-proton
elastic scattering at 6.0 GeV/c. By normalizing the differential cross-section to
unity, the magnitudes of helicity amplitudes and the angle between them are
determined. Planar amplitudes are found in terms of the helicity amplitudes and
the angle between momentum vector and quantization direction in the reaction
plane. |
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| ISSN: | 1016-1104 2345-6914 |