CLAS Physics Database

Measurement E216M359

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π+)))
Q2: 3.0 — 3.5 GeV2
W: 1.95 — 2.0 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 2.22068 0.086799
27.0 1.96261 0.0527338
45.0 1.67867 0.0322018
63.0 1.59992 0.037924
81.0 1.64575 0.0370242
99.0 1.6837 0.0383433
117.0 1.47376 0.043342
135.0 1.37351 0.0520442
153.0 1.22226 0.0570353
171.0 0.955643 0.0102811