CLAS Physics Database

Measurement E213M503

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: 2.4 — 3.0 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 0.9974 0.1142 0.275 2.132
0.333525 5.6331 0.4014 1.2742 1.8941
0.369781 6.9437 0.4366 1.483 1.5459
0.406037 8.8685 0.6976 1.6931 1.8312
0.442294 9.1249 0.5947 1.6945 1.7959
0.47855 10.4195 0.836 1.793 1.9783
0.514806 11.2375 0.8363 1.8993 2.0752
0.551062 11.595 0.6973 1.8752 2.0007
0.587319 12.9002 0.641 1.7961 1.9071
0.623575 11.8495 0.7611 1.5739 1.7483
0.659831 11.7583 0.533 1.518 2.1575
0.696087 12.8695 0.6052 1.6355 3.9588
0.732344 1.8117 0.1936 0.2563 0.3212
0.7686 0.0 0.0 0.0 0.0