CLAS physics database search results Measurement E19M10 E89-004 R. A. Schumacher 2005 cos(theta) Cz Data errors dimensionless dimensionless dimensionless -0.7 0.497 0.677 -0.4 0.697 0.281 -0.1 0.744 0.185 0.2 1.022 0.141 0.5 0.379 0.146 0.8 0.697 0.186