CLAS Physics Database

Measurement E213M530

Experiment: E1-6, 2025
Year: 2001

Experiment comment:

Experiment year: 2001—2002
Spokespersons: R.W. Gothe, A. Trivedi
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/dM(π+)
Q2: 2.4 — 3.0 GeV2
W: 1.725 — 1.75 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+), [GeV] dσ/dM(π+), [μb/GeV] uncertainty syst. uncert. total uncert.
0.301733 1.38 0.118 0.2619 3.129
0.346918 9.4135 0.5424 1.4386 2.1092
0.392102 11.8695 0.6717 1.6828 1.8119
0.437287 10.5794 0.5716 1.5697 1.6705
0.482472 12.8972 0.6759 1.813 1.9349
0.527657 13.4644 0.7136 1.861 1.9932
0.572842 15.042 0.9242 1.8772 2.0924
0.618027 12.9993 0.9728 1.6016 1.8739
0.663211 15.0661 0.6852 1.706 2.4693
0.708396 15.1825 0.5416 1.5286 2.171
0.753581 12.4768 0.387 1.239 4.5586
0.798766 2.1784 0.1297 0.2253 2.1416
0.843951 0.0 0.0 0.0 0.0
0.889136 0.0 0.0 0.0 0.0