CLAS Physics Database

Measurement E213M548

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: 1.775 — 1.8 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+), [GeV] dσ/dM(π+), [μb/GeV] uncertainty syst. uncert. total uncert.
0.301733 0.6619 0.0565 0.1714 2.0636
0.346918 5.8695 0.3939 1.0186 1.4514
0.392102 7.3656 0.4679 1.1893 1.6809
0.437287 7.9417 0.4403 1.23 1.7397
0.482472 7.6089 0.443 1.163 1.6447
0.527657 8.7665 0.5701 1.2416 1.3662
0.572842 8.4476 0.4303 1.2173 1.2911
0.618027 9.5358 0.4969 1.4005 1.4861
0.663211 10.2238 0.6205 1.3448 1.4811
0.708396 12.0366 0.6782 1.3849 1.9608
0.753581 13.1227 0.6011 1.369 1.9305
0.798766 8.4996 0.4249 0.8645 1.2229
0.843951 2.1313 0.1414 0.2329 0.3354
0.889136 0.0 0.0 0.0 0.0