CLAS Physics Database

Measurement E213M789

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: 1.7 — 1.725 GeV
Ebeam: 5.754 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty syst. uncert. total uncert.
9.0 1.7329 0.1415 0.3319 0.3608
27.0 1.5679 0.0896 0.2047 0.2234
45.0 1.5227 0.0851 0.1782 0.1975
63.0 1.6587 0.1061 0.189 0.2168
81.0 2.6045 0.1428 0.2644 0.3005
99.0 2.5365 0.125 0.2748 0.3019
117.0 2.4211 0.1392 0.2588 0.2938
135.0 2.424 0.1472 0.2557 0.295
153.0 2.3091 0.1409 0.2299 0.2697
171.0 1.7308 0.1925 0.2205 0.2927