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Measurement E151M343

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: 0.2337
Q2: 0.1435 GeV2
W: 1415.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7404

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.55 234.0 1.7777 1.4104
0.55 246.0 -0.8766 0.7001
0.55 258.0 -0.4736 0.5436
0.65 126.0 0.1024 1.1229
0.65 138.0 1.988 1.5315
0.65 234.0 -1.2365 0.54
0.65 246.0 -0.2612 0.7051
0.65 258.0 -0.5022 0.4662
0.75 114.0 -0.7758 0.5243
0.75 126.0 0.1365 0.7125
0.75 222.0 -0.7962 0.5149
0.75 234.0 -0.2059 0.5158
0.75 246.0 0.1358 0.711
0.75 270.0 -0.4107 0.6343
0.85 114.0 0.7706 0.6892
0.85 138.0 -0.2172 0.669
0.85 150.0 -1.1282 0.5572
0.85 234.0 0.1776 0.539
0.85 246.0 0.036 0.6094
0.85 258.0 1.269 0.5581
0.85 270.0 -0.9617 0.5009
0.85 282.0 -0.792 0.5348
0.95 78.0 0.0775 0.6132
0.95 90.0 0.2721 0.5908
0.95 246.0 0.1047 0.5147
0.95 258.0 0.9112 0.5237
0.95 270.0 0.3825 0.5505
0.95 282.0 0.0994 0.5076
0.65 270.0 -0.2246 0.9557
0.75 114.0 0.9098 1.3113
0.75 126.0 -0.7143 0.7299
0.75 138.0 -1.3292 0.5932
0.75 150.0 -0.6576 0.8851
0.75 222.0 2.0338 1.2702
0.75 246.0 -0.0431 0.8437
0.75 258.0 2.0243 1.1957
0.75 270.0 -1.0651 0.6252
0.85 114.0 -0.3422 0.905
0.85 126.0 -1.1514 0.5626
0.85 246.0 0.1037 0.738
0.85 258.0 -0.2494 0.7177
0.85 270.0 -0.1728 0.8062
0.85 282.0 -0.5632 0.7569
0.95 90.0 0.0196 0.9297
0.95 246.0 -0.1473 0.7103
0.95 258.0 -0.5449 0.6622
0.95 270.0 0.4109 0.8094
0.95 282.0 1.4677 1.1133
Created in SINP MSU, CLAS Collaboration