CLAS physics database search results Measurement E169M1 g11 E. Golovach 2005 W sigma Data errors GeV mcb mcb 1.6125 85.7274 10.1631 1.6375 81.5967 8.51515 1.6625 77.1074 8.14747 1.6875 74.3011 7.95125 1.7125 72.2995 7.3371 1.7375 68.5655 7.54992 1.7625 65.3828 7.8565 1.7875 62.2529 6.7701 1.8125 60.053 6.21498 1.8375 58.5052 5.58768 1.8625 57.8341 5.33912 1.8875 57.3047 5.44407 1.9125 56.0037 5.45665 1.9375 55.2266 5.32125 1.9625 53.6857 5.44098 1.9875 53.1169 5.27153