CLAS Physics Database

Measurement E213M269

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: 1.725 — 1.75 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+), [GeV] dσ/dM(π+), [μb/GeV] uncertainty syst. uncert. total uncert.
0.301733 3.8965 0.2976 0.6861 1.2107
0.346918 14.9326 0.7869 2.1024 4.3314
0.392102 14.4973 0.8237 2.0704 2.2282
0.437287 15.2603 0.8015 2.1143 2.2611
0.482472 15.0218 0.7424 2.0032 2.1363
0.527657 17.3784 1.0554 2.1417 2.3877
0.572842 17.7479 0.9975 2.1631 2.382
0.618027 18.143 0.9641 2.1895 2.3923
0.663211 18.2517 0.8487 2.2445 2.3996
0.708396 20.1052 0.7728 1.8242 1.9812
0.753581 17.6353 0.5977 1.5569 4.8542
0.798766 2.839 0.4287 0.2689 2.8415
0.843951 0.0 0.0 0.0 0.0
0.889136 0.0 0.0 0.0 0.0