CLAS Physics Database

Measurement E213M761

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(π+)))
Q2: 3.0 — 3.5 GeV2
W: 1.625 — 1.65 GeV
Ebeam: 5.754 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty syst. uncert. total uncert.
9.0 1.4096 0.1336 0.169 0.2423
27.0 1.5104 0.0911 0.1651 0.1886
45.0 1.2983 0.092 0.1516 0.1774
63.0 1.2515 0.0742 0.1465 0.1642
81.0 1.2027 0.0606 0.1411 0.1535
99.0 1.2577 0.0864 0.1459 0.1695
117.0 1.1839 0.0848 0.1391 0.1629
135.0 1.096 0.0783 0.158 0.2382
153.0 1.1328 0.1073 0.4781 0.6755
171.0 1.3003 0.0034 0.7648 1.0806