CLAS Physics Database

Measurement E213M296

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: 2.0 — 2.4 GeV2
W: 1.8 — 1.825 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+), [GeV] dσ/dM(π+), [μb/GeV] uncertainty syst. uncert. total uncert.
0.301733 2.0502 0.1777 0.4695 0.9954
0.346918 8.5344 0.5286 1.5376 2.1681
0.392102 10.0441 0.6273 1.6778 2.3724
0.437287 10.1798 0.629 1.6135 1.7318
0.482472 11.5236 0.649 1.6724 1.7939
0.527657 12.4949 0.6842 1.7462 1.8755
0.572842 12.6703 0.7152 1.7712 1.9102
0.618027 12.4802 0.7484 1.6946 1.8525
0.663211 14.3978 0.9161 1.9046 2.1135
0.708396 17.2091 1.0227 2.0652 2.8907
0.753581 16.7895 0.8583 1.9775 3.6419
0.798766 13.2476 0.6484 1.2318 1.8263
0.843951 5.5014 0.2532 0.505 3.2922
0.889136 0.156 0.0228 0.0411 0.0471