CLAS physics database search results Measurement E15M70 E99-105 M. Garçon, M. Guidal, E. S. Smith 2002 phi dsigma/dphi Data errors deg mcbn/rad mcbn/rad 20 0.04353188 0.009678511 60 0.03381999 0.009506187 100 0.04971634 0.01214322 140 0.0584244 0.007888372 180 0.09076546 0.02285728 220 0.05414392 0.008459033 260 0.04388957 0.005897454 300 0.04015545 0.007138798 340 0.04313849 0.006195858