CLAS Physics Database

Measurement E213M764

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+)
Q2: 3.0 — 3.5 GeV2
W: 1.65 — 1.675 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+), [GeV] dσ/dM(π+), [μb/GeV] uncertainty syst. uncert. total uncert.
0.297268 1.0795 0.1929 0.2102 0.9174
0.333525 5.9324 0.5994 0.8499 2.7348
0.369781 7.3056 0.6071 0.9699 1.3696
0.406037 5.4444 0.4487 0.762 0.8842
0.442294 6.6511 0.617 0.8052 1.0144
0.47855 7.8151 0.763 0.8556 1.1464
0.514806 6.6747 1.237 0.756 1.4497
0.551062 10.2943 0.7603 0.9817 1.2417
0.587319 9.2427 0.6053 0.8418 1.0368
0.623575 7.184 0.5331 0.6233 0.8814
0.659831 7.8463 0.5793 0.6587 0.932
0.696087 8.8895 0.4644 0.7276 1.0267
0.732344 1.3126 0.1727 0.1205 0.2106
0.7686 0.0 0.0 0.0 0.0