CLAS Physics Database

Measurement E213M495

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: 1.625 — 1.65 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+,p), [GeV] dσ/dM(π+,p), [μb/GeV] uncertainty syst. uncert. total uncert.
1.09597 0.4065 0.045 0.1373 1.5511
1.132227 4.2403 0.2764 0.9832 1.3856
1.168483 11.1594 0.5695 2.0813 2.1578
1.204739 21.2923 0.9938 3.1957 3.3467
1.240995 19.3389 0.8288 2.7409 2.8635
1.277252 12.5795 0.6163 1.8349 1.9357
1.313508 10.1223 0.4847 1.4689 1.5468
1.349764 6.9426 0.5534 1.0649 1.2002
1.38602 5.1566 0.314 0.8366 1.2391
1.422277 2.7557 0.2133 0.5547 3.2609
1.458533 0.5846 0.0599 0.2117 2.5686
1.494789 0.0168 0.005 0.0104 0.2253
1.531046 0.0 0.002 0.0 0.0
1.567302 0.0 0.0 0.0 0.0