CLAS Physics Database

Measurement E151M3443

Experiment: EG4
Year: 2016

Experiment comment:

Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).
Spokesperson: Xiaochao Zheng
Reaction: ep → π+n
Polarization: beam (longitudinal), target (longitudinal)
Quantity: ALU
εL: 0.7915
Q2: 0.5925 GeV2
W: 1355.0 GeV
Ebeam: 2.999 GeV
ε: 0.9092

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.65 78.0 -0.2594 0.2521
0.65 90.0 0.1365 0.2626
0.65 102.0 -0.4115 0.2533
0.65 258.0 -0.6489 0.1958
0.65 282.0 0.174 0.2576
0.75 78.0 -0.1029 0.2417
0.75 90.0 0.0674 0.2385
0.75 102.0 0.2077 0.256
0.75 246.0 0.0763 0.2712
0.75 258.0 0.1797 0.2318
0.75 270.0 0.2683 0.2326
0.75 282.0 -0.1086 0.2708
0.75 294.0 0.2942 0.2618
0.85 78.0 -0.2886 0.2442
0.85 102.0 0.2311 0.2558
0.85 246.0 0.3224 0.2124
0.85 258.0 -0.1982 0.1937
0.85 270.0 -0.0568 0.2159
0.85 282.0 -0.1616 0.2524
0.85 294.0 -0.0104 0.2832
0.85 306.0 -0.0061 0.2623
0.85 318.0 0.2436 0.2673
0.95 246.0 -0.0401 0.2659
0.95 270.0 -0.1161 0.2514
0.95 282.0 0.0923 0.2682
0.95 294.0 0.0224 0.2733