CLAS Physics Database

Measurement E213M522

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: 2.4 — 3.0 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 2.9843 0.2207 0.7965 1.1223
1.132227 11.9447 0.6723 2.2988 3.2464
1.168483 20.2665 0.8654 3.3376 4.7185
1.204739 31.7757 1.2774 4.5269 4.7037
1.240995 26.3595 1.0613 3.6178 3.7703
1.277252 16.5918 1.1142 2.3036 2.5589
1.313508 13.7856 1.0255 1.9109 2.1687
1.349764 13.2318 0.5937 1.7814 1.8777
1.38602 13.3147 0.6563 1.768 1.8858
1.422277 10.5646 0.5439 1.4425 1.5416
1.458533 8.8061 0.5184 1.2459 1.814
1.494789 5.2881 0.3544 0.8612 3.1633
1.531046 1.7927 0.1573 0.4225 4.1788
1.567302 0.0758 0.0075 0.043 0.0436