CLAS Physics Database

Measurement E62M427

Experiment: E-94-005 CLAS experiment
Year: 2006
Spokesperson: L. Elouadrhiri
Reaction: ep → π+π−p
Polarization: none
Quantity: dσ/dψ(π−)
Q2: 0.4 — 0.45 GeV2
W: 1.3 — 1.325 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
60.0 0.51967376 0.091921732
180.0 0.53733915 0.10931101
299.99997 0.50868756 0.085632786