CLAS Physics Database

Measurement E213M520

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,p)
Q2: 2.4 — 3.0 GeV2
W: 1.7 — 1.725 GeV
Ebeam: 5.754 GeV

Measurement data
M(π,p), [GeV] dσ/dM(π,p), [μb/GeV] uncertainty syst. uncert. total uncert.
1.09597 1.0438 0.1126 0.2495 0.3551
1.132227 4.842 0.4165 0.8338 1.1811
1.168483 8.944 0.5452 1.5346 2.1778
1.204739 12.8999 0.6038 2.2491 2.3287
1.240995 13.8898 0.5916 2.4586 2.5288
1.277252 15.1082 0.9293 2.5279 2.6933
1.313508 15.6557 0.7881 2.5517 2.6706
1.349764 16.6148 0.6238 2.8135 2.8818
1.38602 18.4387 0.743 3.0111 3.1014
1.422277 20.8085 0.8969 3.3272 3.446
1.458533 22.243 1.0048 3.4935 4.9415
1.494789 19.5549 1.0232 3.0719 4.3523
1.531046 6.4074 0.5876 1.3706 9.6851
1.567302 1.0422 0.1341 0.3127 0.3403