CLAS physics database search results Measurement E159M71 E1-6 V. Burkert 2001 M(pi+,p) dsigma/dM(pip pr) Data errors GeV mcb/GeV mcb/GeV 1.09634 0.936779 0.268996 1.13335 5.17065 0.890838 1.17036 14.0941 2.00969 1.20737 23.3786 3.13252 1.24438 22.9899 3.11814 1.28139 15.4769 2.20559 1.3184 11.1931 1.65489 1.35541 7.37392 1.1456 1.39242 4.80594 0.834032 1.42943 1.86506 0.426006