CLAS physics database search results Measurement E46M150 N/A 0 cos(theta_HS^pi+) dsigma/dcos(theta_HS^pi+) Data errors dimensionless mcb mcb -0.875 1.683539 0.513816 -0.625 0.850874 0.232276 -0.375 0.359088 0.109471 -0.125 0.229542 0.061377 0.125 0.225772 0.074446 0.375 0.259335 0.078027 0.625 0.502789 0.14594 0.875 0.477346 0.197855