CLAS Physics Database

Measurement E213M774

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: 1.675 — 1.7 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+,p), [GeV] dσ/dM(π+,p), [μb/GeV] uncertainty syst. uncert. total uncert.
1.09597 1.6781 0.1612 0.3983 0.4296
1.132227 5.2594 0.5308 1.0608 1.1862
1.168483 12.0546 0.8183 1.8312 2.0057
1.204739 16.937 0.9407 2.2549 2.4433
1.240995 16.4038 1.0374 2.0521 2.2994
1.277252 10.4426 0.8098 1.312 1.5418
1.313508 8.9981 0.6096 1.115 1.2707
1.349764 7.5625 0.5079 0.948 1.0755
1.38602 7.2172 0.5264 0.9037 1.0458
1.422277 5.3319 0.4075 0.69 0.9811
1.458533 3.3333 0.3086 0.4778 2.3575
1.494789 2.5387 0.2829 0.4119 1.3474
1.531046 0.3998 0.0637 0.1397 2.0684
1.567302 0.0036 0.0032 0.0022 0.0038