CLAS Physics Database

Measurement E62M19

Experiment: E-94-005 CLAS experiment
Year: 2006
Spokesperson: L. Elouadrhiri
Reaction: ep → π+π−p
Polarization: none
Quantity: dσ/dψ(π−)
Q2: 0.2 — 0.25 GeV2
W: 1.525 — 1.55 GeV
Publication:
G.V.Fedotov, V.I.Mokeev, V.D.Burkert, L.Elouadrhiri, E.N.Golovatch, B.S.Ishkhanov, E.L.Isupov, N.V.Shvedunov, and CLAS Collaboration Electroproduction of pπ+π− off Protons at 0.2<Q2<0.6 GeV2 and 1.3<W<1.57 GeV with CLAS // PRC 79, 015204 (2009)

Measurement data
ψ(π−), [deg] dσ/dψ(π−), [μb/rad] uncertainty
36.0 6.6682744 0.44119141
108.0 6.2581344 0.33877549
180.0 6.3164811 0.98169506
251.99998 6.845005 0.36681402
324.0 6.138628 0.33179107