CLAS Physics Database

Measurement E213M153

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: 1.4 — 1.425 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+,p), [GeV] dσ/dM(π+,p), [μb/GeV] uncertainty syst. uncert. total uncert.
1.085256 2.0695 0.0542 1.2802 1.8636
1.100084 5.4305 0.1088 3.3293 3.3311
1.114911 7.0241 0.1757 4.13 5.8731
1.129739 8.9004 0.3116 4.8694 4.8793
1.144567 11.0559 0.4063 5.4642 5.4792
1.159394 12.5044 0.4872 5.8214 5.8418
1.174222 16.2275 0.7464 6.5864 6.6286
1.18905 18.9778 0.8574 7.3365 7.3865
1.203877 20.7878 0.9413 7.7501 7.807
1.218705 18.9758 0.894 7.3102 7.3646
1.233533 16.2474 0.8784 6.5825 6.6409
1.248361 9.9771 0.4971 4.9165 6.6631
1.263188 4.1437 0.1468 2.4192 3.5126
1.278016 0.3557 0.0174 0.2249 0.2255