CLAS Physics Database

Measurement E151M996

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: 0.6798
Q2: 0.348 GeV2
W: 1355.0 GeV
Ebeam: 2.999 GeV
ε: 0.9426

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.05 54.0 3.2427 3.2427
0.15 66.0 -0.8618 0.5315
0.15 294.0 -1.0531 0.548
0.55 66.0 -0.3459 0.65
0.55 78.0 -0.1375 0.6096
0.55 90.0 -0.1178 0.6473
0.55 102.0 -0.3776 0.7209
0.55 282.0 -0.2843 0.6266
0.65 66.0 -0.3834 0.5813
0.65 78.0 -0.0335 0.4725
0.65 90.0 -0.1825 0.4547
0.65 102.0 0.1295 0.5248
0.65 258.0 0.0605 0.5161
0.65 270.0 -0.3297 0.4908
0.65 282.0 -0.1458 0.4845
0.65 294.0 -0.6847 0.5569
0.75 54.0 0.3777 0.6402
0.75 66.0 -0.6819 0.4649
0.75 78.0 -0.1423 0.4378
0.75 90.0 0.5423 0.5044
0.75 102.0 -0.5903 0.4099
0.75 114.0 0.3624 0.5638
0.75 234.0 -1.0666 0.5344
0.75 246.0 -0.6393 0.5082
0.75 258.0 0.3898 0.4889
0.75 270.0 -0.5273 0.3738
0.75 282.0 0.5059 0.5167
0.75 294.0 -0.4621 0.4106
0.75 306.0 0.2818 0.5685
0.85 42.0 0.9167 0.7596
0.85 66.0 1.2756 0.7294
0.85 78.0 -0.0278 0.4754
0.85 90.0 0.2875 0.4731
0.85 102.0 -0.0874 0.4534
0.85 114.0 1.0026 0.582
0.85 126.0 -0.0621 0.5436
0.85 138.0 -0.4434 0.7246
0.85 198.0 -1.2204 0.5787
0.85 210.0 -0.1617 0.611
0.85 222.0 0.3883 0.6897
0.85 234.0 0.774 0.5925
0.85 246.0 0.1115 0.5166
0.85 258.0 -0.4954 0.3918
0.85 270.0 0.1039 0.3708
0.85 282.0 -0.4346 0.3724
0.85 294.0 0.6969 0.418
0.85 306.0 0.147 0.4886
0.85 318.0 -1.434 0.3362
0.85 330.0 0.5108 0.7129
0.95 66.0 1.5909 0.7695
0.95 78.0 0.3696 0.5879
0.95 90.0 -0.6986 0.4378
0.95 102.0 0.2095 0.6043
0.95 114.0 0.3508 0.6335
0.95 126.0 0.0094 0.6312
0.95 186.0 0.3359 0.7589
0.95 198.0 -0.373 0.6727
0.95 210.0 -0.5332 0.5302
0.95 222.0 -0.0784 0.5241
0.95 234.0 -0.0192 0.5333
0.95 246.0 -0.4648 0.4478
0.95 258.0 -0.2137 0.3945
0.95 270.0 -0.4029 0.4044
0.95 282.0 -0.338 0.4814
0.95 294.0 0.4164 0.4778
0.95 306.0 -0.6057 0.3403
0.95 318.0 -0.1769 0.392
0.95 330.0 -0.3916 0.3915
0.95 342.0 0.3862 0.6671