CLAS Physics Database

Measurement E151M2651

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: 0.5635
Q2: 0.0707 GeV2
W: 1205.0 GeV
Ebeam: 1.3383 GeV
ε: 0.9333

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.55 270.0 -0.3827 0.2086
0.55 282.0 -0.2142 0.1709
0.65 258.0 -0.5323 0.2934
0.65 270.0 -0.2126 0.1745
0.65 282.0 0.3277 0.1597
0.75 258.0 0.249 0.1449
0.75 270.0 -0.2625 0.1739
0.85 126.0 -0.4394 0.3063
0.85 138.0 0.0767 0.3521
0.85 150.0 -0.459 0.294
0.85 162.0 0.1975 0.3678
0.85 186.0 0.3716 0.3959
0.85 270.0 -0.178 0.3629
0.95 126.0 -0.2992 0.4072
0.95 138.0 -0.1694 0.355
0.95 150.0 0.2498 0.3541
0.95 162.0 0.1637 0.3613
0.95 174.0 0.6101 0.2876
0.95 186.0 -0.4129 0.3086
0.95 210.0 0.2079 0.3697
0.75 282.0 0.3403 0.2877
0.85 126.0 0.0405 0.2611
0.85 138.0 -0.2373 0.2777
0.85 150.0 -0.1917 0.2502
0.85 162.0 -0.0286 0.2716
0.85 186.0 0.104 0.2622
0.85 258.0 -0.0658 0.2539
0.95 126.0 -0.2234 0.2486
0.95 138.0 0.2334 0.2328
0.95 162.0 0.6025 0.2089
0.95 174.0 -0.0759 0.2519
0.95 186.0 0.1968 0.2633
0.95 198.0 -0.1033 0.2627