CLAS Physics Database

Measurement E213M260

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: 1.7 — 1.725 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+), [GeV] dσ/dM(π+), [μb/GeV] uncertainty syst. uncert. total uncert.
0.297268 3.411 0.4344 0.7691 1.1057
0.333525 15.729 0.9597 2.6857 6.5369
0.369781 19.9836 1.1933 3.2295 3.4429
0.406037 18.829 1.1085 3.0966 3.289
0.442294 19.0113 0.9907 3.1124 3.2662
0.47855 18.6787 1.1435 3.0656 3.2719
0.514806 19.9423 1.2304 3.234 3.4601
0.551062 22.0164 1.2517 3.2977 3.5272
0.587319 22.6377 1.3208 3.3075 3.5615
0.623575 22.3163 1.0752 3.5168 3.6775
0.659831 23.4943 1.0423 2.8221 3.0084
0.696087 23.0031 0.8527 2.3557 3.3293
0.732344 19.3017 0.7017 1.9331 4.176
0.7686 5.8719 0.3781 0.6178 0.7243