CLAS physics database search results Measurement E56M1 Differential Photoproduction Cross Sections of the Λ(1405) R. A. Schumacher 2013 W Egamma sigma Data errors GeV GeV mcbn mcbn 2 1.662 0.489 0.244 2.1 1.881 0.615 0.008 2.2 2.11 0.371 0.005 2.3 2.35 0.309 0.011 2.4 2.6 0.285 0.008 2.5 2.862 0.216 0.008 2.6 3.133 0.176 0.014 2.7 3.416 0.144 0.014 2.8 3.709 0.138 0.01