CLAS physics database search results Measurement E159M556 E1-6 V. Burkert 2001 M(pi+,pi-) dsigma/dM(pip pim) Data errors GeV mcb/GeV mcb/GeV 0.342144 11.486 2.1429 0.388153 11.6274 2.01862 0.434162 9.30069 1.62961 0.480171 11.2505 1.99847 0.526181 10.7798 1.62885 0.572189 11.4666 1.76348 0.618198 10.9693 1.66491 0.664207 11.6423 1.84902 0.710216 9.25412 1.28507 0.756225 7.14436 1.05035