Measurement of the spin parameters A and Ann in pp elastic scattering in the 1–3 GeV/c region (CROSBI ID 261795)
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Podaci o odgovornosti
Bell, D.A. ; Buchanan, J.A. ; Calkin, M.M. ; Clement, J.M. ; Dragoset, W.H. ; Furić, Miroslav ; Johns, K.A. ; Lesikar, J.D. ; Miettinen, H.E. ; Mulera, T.A. ; Mutchler, G.S. ; Phillips, G.C. Roberts, J.B. ; Turpin S.E.
engleski
Measurement of the spin parameters A and Ann in pp elastic scattering in the 1–3 GeV/c region
We have measured the asymmetry parameter A and the spin correlation parameter Ann in pp elastic scattering, using the Argonne ZGS polarized proton beam and a polarized proton target. Angular distributions of A and Ann for |t| ≳ 0.2 (GeV/c)2 were obtained at eight momenta between 1.10 and 2if2.75 GeV/c. We find significant structure in both the energy and t-dependence of Ann at these energies. At plab ≈ 1.34 GeV/c Ann reaches a very large value of about 0.8–0.9 near θcm = 90°.
Spin parameters A and Ann in proton-proton elastic scattering
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