CLAS physics database search results Measurement E46M136 N/A 0 cos(theta_HS^pi+) dsigma/dcos(theta_HS^pi+) Data errors dimensionless mcb mcb -0.875 2.290834 0.648314 -0.625 1.015157 0.272161 -0.375 0.518899 0.150371 -0.125 0.631605 0.171933 0.125 0.75337 0.232736 0.375 0.824291 0.216584 0.625 0.878481 0.23089 0.875 0.949005 0.39917