CLAS physics database search results Measurement E46M155 N/A 0 cos(theta_HS^pi+) dsigma/dcos(theta_HS^pi+) Data errors dimensionless mcb mcb -0.875 0.498382 0.153623 -0.625 0.326726 0.106125 -0.375 0.149605 0.051165 -0.125 0.177226 0.060996 0.125 0.191846 0.058279 0.375 0.118118 0.04485 0.625 0.18579 0.06107 0.875 0.258192 0.122415