CLAS physics database search results Measurement E90M143 Electron Scattering from a High-Momentum Neutron in Deuterium Sebastian Kuhn 2002 alpha_s F_2 * P(P_t) Data errors Systematic errors dimensionless dimensionless dimensionless dimensionless 1.275 0.0188037 0.00329414 0.00993132 1.325 0 0 0.0155175