CLAS Physics Database

Measurement E213M708

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: 1.475 — 1.5 GeV
Ebeam: 5.754 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty syst. uncert. total uncert.
9.0 0.5546 0.0839 0.2054 0.2894
27.0 0.542 0.0595 0.127 0.1814
45.0 0.8475 0.078 0.148 0.1673
63.0 0.8153 0.062 0.1267 0.141
81.0 1.039 0.0729 0.1418 0.1595
99.0 1.0578 0.0681 0.141 0.1566
117.0 1.1737 0.0795 0.1541 0.1734
135.0 1.3894 0.0846 0.1788 0.1978
153.0 1.4445 0.0949 0.1893 0.2117
171.0 1.673 0.182 0.2576 0.3154