CLAS Physics Database

Measurement E213M216

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: 1.575 — 1.6 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+,p), [GeV] dσ/dM(π+,p), [μb/GeV] uncertainty syst. uncert. total uncert.
1.09597 2.7371 0.2216 0.9874 1.012
1.132227 7.4269 0.4921 1.8827 2.6621
1.168483 17.6036 1.0104 2.738 2.9185
1.204739 30.8007 1.4243 3.6912 3.9565
1.240995 26.7145 1.2734 3.0021 3.261
1.277252 18.2141 0.881 2.0154 2.1995
1.313508 11.8381 0.7911 1.3291 1.881
1.349764 8.8595 0.6547 1.0201 1.4459
1.38602 6.8989 0.5819 0.8114 0.9985
1.422277 3.3422 0.3768 0.5044 0.715
1.458533 0.1529 0.0188 0.0751 0.0774
1.494789 0.0 0.0019 0.0 0.0
1.531046 0.0 0.0012 0.0 0.0
1.567302 0.0 0.0011 0.0 0.0