CLAS Physics Database

Measurement E213M223

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: 2.0 — 2.4 GeV2
W: 1.6 — 1.625 GeV
Ebeam: 5.754 GeV

Measurement data
M(π,p), [GeV] dσ/dM(π,p), [μb/GeV] uncertainty syst. uncert. total uncert.
1.09597 3.0772 0.6931 0.6854 2.7789
1.132227 6.835 0.5577 1.3581 1.9204
1.168483 9.9918 0.5866 1.9564 2.0424
1.204739 16.6237 0.8514 2.7613 2.8895
1.240995 20.4303 0.9351 3.3351 3.4637
1.277252 23.9216 0.9114 3.7923 3.9002
1.313508 22.0417 1.6678 3.5685 3.939
1.349764 21.1289 0.9627 3.6067 3.7329
1.38602 16.3898 1.0002 2.9258 3.092
1.422277 7.6067 0.5616 1.8384 2.5951
1.458533 2.2531 0.1843 0.7496 1.4016
1.494789 0.0192 0.0002 0.0117 0.0117
1.531046 0.0 0.0 0.0 0.0
1.567302 0.0 0.0 0.0 0.0