A polarized proton beam extracted from SATURNE II, the Saclay polarized target with$^6$Li compounds, and
Analysing power measurements in the scattering of polarized protons from either hydrogen in the LiH target or on bound protons in the LiD target. The three sets of results are independent.
Analysing power measurements in the scattering of polarized protons from either hydrogen in the LiH target or on bound protons in the LiD target. The three sets of results are independent.
Analysing power measurements in the scattering of polarized protons from either hydrogen in the LiH target or on bound protons in the LiD target. The three sets of results are independent.
We present the first measurements of the double spin asymmetries A_NN and A_SS at sqrt{s}=200 GeV, obtained by the pp2pp experiment using polarized proton beams at the Relativistic Heavy Ion Collider (RHIC). The data were collected in the four momentum transfer t range 0.01<|t|<0.03 (GeV/c)^2. The measured asymmetries, which are consistent with zero, allow us to estimate upper limits on the double helicity-flip amplitudes phi_2 and phi_4 at small t as well as on the difference Delta(sigma_T) between the total cross sections for transversely polarized protons with antiparallel or parallel spin orientations.
Double spin asymmetries.
Double spin asymmetries.
T dependence of the double spin asymmetry ASS3 with statistical errors only.
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Axis error includes +- 0.0/0.0 contribution (DUE TO QUAZIELASTIC BACKGROUND AND ERRORS IN POLARIZATION OF BEAM AND TARGET).
Axis error includes +- 0.0/0.0 contribution (DUE TO QUAZIELASTIC BACKGROUND AND ERRORS IN POLARIZATION OF BEAM AND TARGET).
Axis error includes +- 0.0/0.0 contribution (DUE TO QUAZIELASTIC BACKGROUND AND ERRORS IN POLARIZATION OF BEAM AND TARGET).
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