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Measurement E151M304

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: 0.3345
Q2: 0.1435 GeV2
W: 1355.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7997

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.55 258.0 0.7545 0.4771
0.55 270.0 0.2399 0.5106
0.65 126.0 -0.1323 0.504
0.65 234.0 -0.6525 0.57
0.65 246.0 -0.8074 0.369
0.65 258.0 -0.0078 0.4036
0.65 270.0 -0.3719 0.4077
0.75 102.0 0.1448 0.5956
0.75 114.0 -0.4995 0.3892
0.75 126.0 -0.1648 0.4325
0.75 138.0 -0.0325 0.4994
0.75 222.0 -0.6327 0.5981
0.75 234.0 -0.526 0.3341
0.75 246.0 0.3943 0.4192
0.75 258.0 -0.2776 0.4134
0.75 270.0 0.0827 0.444
0.75 282.0 -0.6292 0.4252
0.85 102.0 0.0977 0.5217
0.85 114.0 0.0973 0.4156
0.85 126.0 0.0392 0.4434
0.85 138.0 -0.3075 0.3711
0.85 150.0 -0.4629 0.4704
0.85 162.0 -0.052 0.9478
0.85 234.0 -0.7867 0.3991
0.85 246.0 -0.1741 0.4348
0.85 258.0 0.7254 0.4581
0.85 270.0 0.1581 0.3776
0.85 282.0 0.0262 0.319
0.85 294.0 -1.0137 0.3221
0.95 78.0 0.343 0.4416
0.95 90.0 -0.1115 0.4304
0.95 102.0 -0.6877 0.5339
0.95 126.0 -0.2374 0.8379
0.95 138.0 0.1563 0.5496
0.95 150.0 -0.4803 0.5165
0.95 174.0 0.7661 0.5709
0.95 234.0 0.3252 0.4445
0.95 246.0 2.8275 2.8275
0.95 258.0 0.73 0.4222
0.95 270.0 -0.4648 0.3809
0.95 282.0 -0.577 0.3687
0.95 294.0 -0.7648 0.259
Created in SINP MSU, CLAS Collaboration