CLAS physics database search results Measurement E46M49 N/A 0 phi dsigma/dphi Data errors degree mcb/rad mcb/rad 20 0.421873 0.147476 60 0.320049 0.12302 100 0.264179 0.154261 140 0.481635 0.172757 220 0.356892 0.137002 260 0.272253 0.114079 300 0.433697 0.159453 340 0.352403 0.117122