CLAS Physics Database

Measurement E213M261

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/dM(π+,p)
Q2: 2.0 — 2.4 GeV2
W: 1.7 — 1.725 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+,p), [GeV] dσ/dM(π+,p), [μb/GeV] uncertainty syst. uncert. total uncert.
1.09597 4.3033 0.2761 1.2587 1.7924
1.132227 16.012 0.68 3.2278 4.5664
1.168483 31.4945 1.5111 4.8666 5.0958
1.204739 41.7597 1.4652 5.6742 5.8603
1.240995 37.47 1.7434 4.9146 5.2147
1.277252 26.688 1.3236 3.3869 3.6363
1.313508 19.1052 1.0578 2.4118 2.6336
1.349764 18.5731 0.9742 2.2117 2.4168
1.38602 16.3082 0.9125 1.8935 2.1019
1.422277 13.5119 0.8793 1.5499 1.7819
1.458533 12.6513 0.7489 1.4469 2.0476
1.494789 8.5568 0.8066 1.0293 4.9156
1.531046 5.0922 0.4243 0.7047 3.496
1.567302 1.2395 0.1731 0.3106 0.3556