CLAS physics database search results Measurement E19M32 E89-004 R. A. Schumacher 2005 cos(theta) Cz Data errors dimensionless dimensionless dimensionless -0.7 0.999 1.074 -0.4 1.256 1.224 -0.1 0.891 1.477 0.2 -0.899 1.118 0.5 -1.106 0.504 0.8 -0.147 0.543