CLAS Physics Database

Measurement E216M567

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(p)))
Q2: 4.2 — 5.0 GeV2
W: 1.7 — 1.75 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 0.780918 0.0865229
27.0 0.707385 0.0457457
45.0 0.74495 0.0526039
63.0 0.905832 0.0613228
81.0 1.06541 0.0577306
99.0 1.10364 0.0344121
117.0 1.06485 0.0455412
135.0 0.909451 0.0350742
153.0 0.812305 0.051611
171.0 0.820692 0.0627498