CLAS Physics Database

Measurement E62M4

Experiment: E-94-005 CLAS experiment
Year: 2006
Spokesperson: L. Elouadrhiri
Reaction: ep → π+π−p
Polarization: none
Quantity: dσ/dφ(π−)
Q2: 0.2 — 0.25 GeV2
W: 1.5 — 1.525 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
φ(π−), [deg] dσ/dφ(π−), [μb/rad] uncertainty
36.0 7.4531898 0.75345927
108.0 6.8139448 0.3785831
180.0 6.5964575 0.40222859
251.99998 6.4972644 0.38836122
324.0 8.3118095 0.6601243