CLAS physics database search results Measurement E216M610 CLAS12 Run Group A Krishna Chandra 2018 theta(pi-) dsigma/d(−cos(theta_pim)) Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 9 1.09717 0.0969216 0.11993872 27 1.02879 0.0446703 0.08378164 45 0.907043 0.0494324 0.07536685 63 0.873113 0.0322794 0.06937745 81 0.71778 0.0223765 0.06801113 99 0.618057 0.0184873 0.04689829 117 0.58482 0.0188396 0.04444819 135 0.584504 0.0260919 0.05251447 153 0.534057 0.0276327 0.04939994 171 0.775432 0.0550265 0.10551505