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Measurement E151M138

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: 0.1223
Q2: 0.0593 GeV2
W: 1385.0 GeV
Ebeam: 1.0539 GeV
ε: 0.7053

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.15 42.0 0.0127 0.7891
0.25 42.0 0.4626 0.807
0.35 30.0 1.3201 0.8889
0.35 42.0 -0.0305 0.6451
0.35 54.0 0.2041 0.9266
0.45 30.0 1.2308 0.9185
0.45 42.0 0.536 0.7483
0.45 246.0 -0.1454 0.8082
0.45 258.0 -0.0324 0.741
0.55 150.0 -0.7053 0.7618
0.55 234.0 1.044 0.7596
0.55 246.0 -0.3175 0.4803
0.55 258.0 -0.0709 0.5799
0.55 270.0 -0.7242 0.7483
0.65 138.0 -1.109 0.7249
0.65 150.0 0.2551 0.7646
0.65 162.0 -0.6988 0.6937
0.65 222.0 -0.2509 0.6053
0.65 234.0 1.8142 0.6217
0.65 246.0 0.1042 0.5561
0.65 258.0 -1.2946 0.4276
0.65 270.0 0.9833 0.6633
0.75 138.0 -0.7711 0.571
0.75 150.0 -0.3292 0.5583
0.75 162.0 -0.1453 0.7981
0.75 174.0 0.3333 0.7288
0.75 210.0 0.7709 0.8367
0.75 222.0 -0.0625 0.7755
0.75 234.0 0.4196 0.5125
0.75 246.0 0.7523 0.4838
0.75 258.0 0.8035 0.4767
0.75 270.0 -1.0853 0.4567
0.75 282.0 -2.063 0.4856
0.85 126.0 0.417 0.8972
0.85 138.0 0.6976 0.8618
0.85 150.0 0.4543 0.6239
0.85 174.0 -0.4394 0.7729
0.85 234.0 0.3196 0.5849
0.85 246.0 1.27 0.4446
0.85 258.0 0.2502 0.4634
0.85 270.0 -0.5494 0.4358
0.85 282.0 1.2903 0.6994
0.95 246.0 0.3244 0.5899
0.95 258.0 -0.1098 0.5296
0.95 270.0 -0.311 0.5588
Created in SINP MSU, CLAS Collaboration