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Measurement E151M1116

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: AUL
εL: 0.2168
Q2: 0.348 GeV2
W: 1655.0 GeV
Ebeam: 2.999 GeV
ε: 0.8615

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.35 270.0 0.1676 0.8375
0.55 90.0 -0.1962 0.6419
0.55 102.0 -1.199 0.5771
0.55 126.0 -0.4424 0.826
0.55 270.0 1.4865 0.9491
0.55 294.0 0.6927 0.8525
0.55 306.0 -0.2055 0.6982
0.65 90.0 -0.6192 0.6927
0.65 102.0 -0.4447 0.6389
0.65 114.0 0.0265 0.8833
0.65 126.0 -1.2861 0.6334
0.65 210.0 1.5353 1.008
0.65 234.0 0.6432 0.8336
0.65 246.0 1.5653 0.8754
0.65 306.0 0.4593 0.7857
0.75 66.0 0.2772 0.787
0.75 78.0 -0.5721 0.5382
0.75 102.0 -1.2204 0.5301
0.75 114.0 0.5379 0.7575
0.75 126.0 -0.5968 0.7278
0.75 210.0 -0.191 0.6922
0.75 222.0 1.0811 0.8731
0.75 234.0 0.2038 0.6269
0.75 246.0 0.707 0.8112
0.75 282.0 1.5465 0.9181
0.75 294.0 0.3175 0.7482
0.85 66.0 -0.2937 0.5435
0.85 78.0 -0.3554 0.4835
0.85 90.0 -0.2769 0.6473
0.85 198.0 1.0573 0.8124
0.85 210.0 1.619 0.9625
0.85 222.0 -0.1032 0.6287
0.85 234.0 0.5328 0.5829
0.85 246.0 0.6307 0.5791
0.85 258.0 0.4116 0.6346
0.85 270.0 0.6845 0.8384
0.95 78.0 -0.7776 0.5994
0.95 174.0 -0.7055 0.7027
0.95 186.0 1.3371 0.9515
0.95 210.0 0.6839 0.7287
0.95 222.0 -0.1891 0.6752
0.95 234.0 1.4754 0.6689
0.95 246.0 0.2575 0.5844
0.95 258.0 0.7509 0.644
0.95 270.0 -0.2634 0.5377
0.95 282.0 -0.099 0.5472
0.95 294.0 -0.6484 0.5154
0.95 306.0 0.2116 0.7316
Created in SINP MSU, CLAS Collaboration