CLAS physics database search results Measurement E102M86 E-89-039 S. Dytman, K. Giovanetti 2007 W sigma Data errors Systematic errors GeV mcbn mcbn mcbn 1.495 8.66 0.46 0.91 1.505 11.82 0.57 0.29 1.515 12.13 0.62 0.2 1.525 12.41 0.63 0.33 1.535 12.03 0.61 0.19 1.545 10.53 0.53 0.15 1.555 10.94 0.54 0.42 1.565 8.28 0.51 0.19 1.575 8.45 0.53 0.18 1.585 7.38 0.48 0.22 1.595 7.07 0.51 0.34 1.605 4.71 0.45 0.1