Measurement of the polarization parameter in pp elastic scattering at 150 GeV/ c

The polarization parameter in pp elastic scattering at 150 GeV/ c, and in the momentum transfer interval 0.4 ⩽ − t ⩽ 3.0 GeV 2, has been measured in an MWPC and scintillation counter experiment at the CERN SPS using a polarized proton target. The polarization is decreasing steadily from zero to ≈ −...

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Published in:Nuclear physics. B 1980-01, Vol.173 (3), p.513-545
Main Authors: Fidecaro, G., Fidecaro, M., Lanceri, L., Nurushev, S., Piemontese, L., Poyer, Ch, Solovianov, V., Vascotto, A., Gasparini, F., Meneguzzo, A., Posocco, M., Voci, C., Birsa, R., Bradamante, F., Giorgi, M., Penzo, A., Schiavon, P., Villari, A., Bartl, W., Frühwirth, R., Gottfried, Ch, Leder, G., Majerotto, W., Neuhofer, G., Pernicka, M., Regler, M., Steuer, M., Stradner, H.
Format: Article
Language:English
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Summary:The polarization parameter in pp elastic scattering at 150 GeV/ c, and in the momentum transfer interval 0.4 ⩽ − t ⩽ 3.0 GeV 2, has been measured in an MWPC and scintillation counter experiment at the CERN SPS using a polarized proton target. The polarization is decreasing steadily from zero to ≈ − 10% in the range 0.4 < − t < 1.3 GeV 2; for higher | t| the data suggests a change of sign. Results are also given for the differential cross section, which exhibits a small dip at − t = (1.46 ± 0.01) GeV.
ISSN:0550-3213
1873-1562
DOI:10.1016/0550-3213(80)90017-6