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Measurement E151M2840

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: 0.0807
Q2: 0.0707 GeV2
W: 1505.0 GeV
Ebeam: 1.3383 GeV
ε: 0.6863

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.55 126.0 -0.1741 0.2469
0.55 138.0 0.5812 0.1651
0.55 150.0 0.0714 0.2716
0.55 162.0 0.0459 0.2886
0.55 222.0 -0.4593 0.1982
0.55 234.0 -0.0104 0.1747
0.55 246.0 -0.2472 0.2116
0.65 126.0 -0.0572 0.2407
0.65 138.0 -0.0689 0.2247
0.65 150.0 0.0608 0.2628
0.65 210.0 -0.2216 0.251
0.65 222.0 -0.2358 0.241
0.65 234.0 -0.0433 0.2069
0.65 246.0 0.0702 0.1914
0.65 258.0 -0.1411 0.2758
0.75 126.0 0.0701 0.2241
0.75 138.0 0.4148 0.1887
0.75 150.0 0.1678 0.2418
0.75 210.0 0.1062 0.2621
0.75 222.0 0.0453 0.2313
0.75 234.0 -0.2267 0.1837
0.75 246.0 0.1697 0.1988
0.75 258.0 -0.1227 0.2259
0.85 150.0 0.3061 0.2646
0.85 222.0 -0.2981 0.2389
0.85 234.0 -0.3446 0.2483
0.85 246.0 -0.0987 0.1883
0.85 258.0 -0.0974 0.255
0.95 126.0 -0.3555 0.2316
0.95 138.0 -0.1673 0.268
0.95 246.0 0.4667 0.2476
0.55 258.0 0.0168 0.3714
0.65 138.0 0.1705 0.3853
0.65 150.0 0.3703 0.2777
0.65 210.0 -0.4394 0.2998
0.65 222.0 -0.0354 0.2816
0.65 234.0 0.6206 0.2744
0.65 246.0 0.2989 0.3405
0.75 138.0 -0.5202 0.2507
0.75 150.0 -0.2417 0.3718
0.75 222.0 -0.3795 0.2523
0.75 234.0 -0.3604 0.33
0.75 246.0 -0.2903 0.2098
0.75 258.0 -0.0795 0.3252
0.85 126.0 -0.599 0.3035
0.85 222.0 0.0525 0.3549
0.85 234.0 0.2112 0.2567
0.85 246.0 -0.0804 0.2828
0.85 258.0 0.5857 0.2822
0.95 246.0 -0.5584 0.2866
Created in SINP MSU, CLAS Collaboration