CLAS Physics Database

Measurement E213M510

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/d(−cos(θ(p)))
Q2: 2.4 — 3.0 GeV2
W: 1.65 — 1.675 GeV
Ebeam: 5.754 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty syst. uncert. total uncert.
9.0 1.2637 0.1122 0.3735 0.8939
27.0 1.2715 0.092 0.2519 0.3856
45.0 1.4158 0.0723 0.2463 0.2567
63.0 1.5789 0.0686 0.2615 0.2703
81.0 2.0082 0.1139 0.3299 0.349
99.0 2.5316 0.1378 0.3903 0.4139
117.0 2.5188 0.1252 0.3928 0.4123
135.0 2.7981 0.1279 0.4187 0.4378
153.0 2.4811 0.1215 0.3678 0.3873
171.0 2.7323 0.1796 0.4505 0.485