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Measurement E151M1140

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: 0.1216
Q2: 0.205 GeV2
W: 1715.0 GeV
Ebeam: 2.999 GeV
ε: 0.8649

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.45 114.0 -1.874 0.5611
0.45 282.0 1.1552 0.861
0.55 42.0 -0.6506 0.7238
0.55 102.0 -0.4038 0.7814
0.55 114.0 0.0797 0.7918
0.55 126.0 -0.0451 0.8866
0.55 270.0 0.1532 0.6956
0.65 102.0 -0.9324 0.6288
0.65 114.0 0.777 0.7912
0.65 138.0 0.0772 0.9205
0.65 186.0 -0.6563 0.83
0.65 198.0 -0.5142 0.6853
0.65 210.0 0.0933 0.8681
0.65 222.0 1.2533 0.9096
0.65 234.0 2.9473 2.9473
0.65 282.0 1.316 0.9149
0.65 294.0 -0.9474 0.5397
0.75 78.0 -0.1175 0.7183
0.75 90.0 -1.0115 0.6579
0.75 102.0 0.0053 0.7661
0.75 114.0 -1.8171 0.4916
0.75 126.0 -0.2776 0.7103
0.75 186.0 2.1327 0.9694
0.75 198.0 -0.4232 0.6181
0.75 210.0 0.0166 0.7006
0.75 222.0 -0.2164 0.6608
0.75 234.0 0.0353 0.6805
0.75 246.0 0.1425 0.8732
0.75 282.0 1.0663 0.7939
0.75 294.0 0.3021 0.671
0.75 306.0 1.1954 0.9133
0.85 78.0 0.3563 0.519
0.85 90.0 -0.57 0.5608
0.85 102.0 -0.6631 0.5894
0.85 114.0 -0.1036 0.6959
0.85 174.0 1.7006 0.9303
0.85 186.0 -0.2987 0.6306
0.85 198.0 1.0512 0.725
0.85 210.0 0.8756 0.5753
0.85 222.0 1.0001 0.6162
0.85 234.0 0.311 0.5287
0.85 246.0 0.6913 0.6276
0.85 258.0 -0.2522 0.7132
0.95 102.0 -1.4417 0.5684
0.95 114.0 -0.6566 0.7076
0.95 162.0 -0.3484 0.783
0.95 186.0 1.324 0.7252
0.95 198.0 -0.2197 0.6061
0.95 210.0 0.8086 0.6748
0.95 222.0 -0.5391 0.5004
0.95 234.0 0.0188 0.5669
0.95 246.0 -0.4181 0.5569
0.95 258.0 0.3322 0.6359
Created in SINP MSU, CLAS Collaboration