CLAS Physics Database

Measurement E151M47

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: 0.1168
Q2: 0.0205 GeV2
W: 1265.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8868

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.15 42.0 -0.7126 0.6056
0.25 42.0 0.0343 0.4669
0.25 54.0 0.7291 0.5
0.35 30.0 0.4843 0.5903
0.35 42.0 -0.2665 0.4545
0.35 54.0 0.0179 0.515
0.35 66.0 -0.3829 0.5431
0.45 30.0 0.3581 0.5556
0.45 42.0 -0.41 0.379
0.45 54.0 0.2675 0.5964
0.45 258.0 -0.5857 0.4985
0.45 270.0 0.6474 0.5368
0.45 282.0 0.2975 0.6184
0.55 42.0 0.973 0.4934
0.55 54.0 0.985 0.6276
0.55 234.0 -0.8504 0.3952
0.55 246.0 -0.3935 0.3419
0.55 258.0 0.2 0.312
0.55 270.0 0.0902 0.3522
0.55 282.0 0.0794 0.429
0.65 138.0 -0.1536 0.5442
0.65 150.0 0.4639 0.6821
0.65 162.0 1.0427 0.5882
0.65 174.0 -0.1275 0.6127
0.65 186.0 0.1517 0.603
0.65 198.0 0.1695 0.6603
0.65 222.0 0.7581 0.5266
0.65 234.0 0.0155 0.3287
0.65 246.0 0.1229 0.2832
0.65 258.0 -0.3252 0.2403
0.65 270.0 -0.0096 0.3382
0.65 282.0 0.6199 0.4893
0.75 138.0 -0.1521 0.4998
0.75 150.0 0.6169 0.4003
0.75 162.0 -0.0302 0.3949
0.75 174.0 -0.1559 0.3769
0.75 186.0 0.1714 0.4236
0.75 198.0 0.8666 0.4881
0.75 210.0 -0.6349 0.4025
0.75 222.0 -0.4711 0.3761
0.75 234.0 -0.3388 0.3222
0.75 246.0 -0.243 0.257
0.75 258.0 -0.3662 0.2339
0.75 270.0 -0.1583 0.2997
0.75 282.0 0.6514 0.4148
0.85 138.0 -0.6731 0.4294
0.85 150.0 0.0971 0.3808
0.85 162.0 0.432 0.4082
0.85 174.0 0.1161 0.4328
0.85 186.0 0.2304 0.4871
0.85 198.0 -0.8233 0.4242
0.85 210.0 -0.0738 0.4762
0.85 222.0 -0.0831 0.439
0.85 234.0 -0.8144 0.2722
0.85 246.0 0.294 0.2779
0.85 258.0 0.4444 0.2957
0.85 270.0 0.3742 0.409