CLAS physics database search results Measurement E213M521 E1-6, 2025 R.W. Gothe, A. Trivedi 2001 M(pi+,pi-) dsigma/dM(pip pim) Stat. error Syst. error Total error GeV mcb/GeV mcb/GeV mcb/GeV mcb/GeV 0.297268 1.9729 0.1741 0.4771 2.2258 0.333525 9.0547 0.7159 1.7365 3.2236 0.369781 12.2137 0.7694 2.1764 3.08 0.406037 13.553 0.7666 2.2998 2.4242 0.442294 12.0853 0.8165 2.164 2.3129 0.47855 13.0506 0.7518 2.2647 2.3862 0.514806 14.3081 0.6966 2.3322 2.434 0.551062 13.4791 0.8047 2.0644 2.2157 0.587319 15.7014 0.7872 2.2865 2.4182 0.623575 16.4125 0.8154 2.357 2.494 0.659831 16.8112 0.7787 2.0479 2.8967 0.696087 17.3185 0.7971 2.0079 2.839 0.732344 14.2915 0.5334 1.6189 6.7309 0.7686 4.958 0.2539 0.5801 0.6332