CLAS Physics Database

Measurement E213M747

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: 3.0 — 3.5 GeV2
W: 1.6 — 1.625 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+,p), [GeV] dσ/dM(π+,p), [μb/GeV] uncertainty syst. uncert. total uncert.
1.09597 0.3636 0.0506 0.1119 1.0565
1.132227 3.3453 0.3371 0.6721 0.7519
1.168483 8.4702 0.7806 1.2697 1.8033
1.204739 15.2869 0.9075 1.9707 2.1697
1.240995 13.7019 0.9243 1.6673 1.9064
1.277252 8.7251 0.5939 1.0839 1.2359
1.313508 5.9433 0.4337 0.7607 0.8757
1.349764 4.8755 0.4304 0.6383 0.7699
1.38602 2.9242 0.2908 0.4328 2.4691
1.422277 1.1558 0.3165 0.2376 1.6339
1.458533 0.1622 0.0386 0.0645 0.7912
1.494789 0.0007 0.0037 0.0004 0.0037
1.531046 0.0 0.0026 0.0 0.0
1.567302 0.0 0.0014 0.0 0.0