CLAS physics database search results Measurement E159M26 E1-6 V. Burkert 2001 M(pi+,p) dsigma/dM(pip pr) Stat. error GeV mcb/GeV mcb/GeV 1.09009 1.01935 0.389553 1.1146 3.53201 0.75279 1.13911 6.30048 1.09403 1.16362 14.4906 2.21125 1.18813 19.0076 2.68829 1.21264 28.6863 4.0079 1.23715 21.9694 3.11377 1.26166 14.5964 2.19279 1.28617 10.4419 1.68402 1.31068 2.71508 0.661185