CLAS Physics Database

Measurement E213M924

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: 3.0 — 3.5 GeV2
W: 2.075 — 2.1 GeV
Ebeam: 5.754 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty syst. uncert. total uncert.
9.0 0.4649 0.0546 0.1054 0.1187
27.0 0.4344 0.0372 0.085 0.0927
45.0 0.6703 0.0639 0.1673 0.1791
63.0 0.7568 0.0475 0.2238 0.2288
81.0 0.8744 0.0393 0.2382 0.2414
99.0 1.1106 0.0444 0.2597 0.2635
117.0 1.4546 0.1077 0.2746 0.2949
135.0 1.7805 0.1178 0.3137 0.3351
153.0 2.6363 0.1399 0.4643 0.4849
171.0 3.1194 0.2593 0.4768 0.5428