CLAS Physics Database

Measurement E151M583

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: 0.1607
Q2: 0.0844 GeV2
W: 1445.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9018

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.25 54.0 1.5029 0.8084
0.25 66.0 0.7262 0.664
0.25 78.0 0.292 0.6319
0.25 282.0 0.9517 0.7117
0.25 294.0 0.6869 0.5091
0.25 306.0 -0.5598 0.6628
0.35 66.0 0.7803 0.5542
0.35 78.0 1.0641 0.4945
0.35 90.0 -0.1052 0.7372
0.35 270.0 0.1711 0.7013
0.35 282.0 0.5993 0.4931
0.35 294.0 0.692 0.5325
0.35 306.0 0.5634 0.7272
0.45 66.0 -0.5357 0.4707
0.45 78.0 0.1795 0.4606
0.45 90.0 0.8515 0.6125
0.45 270.0 -0.1291 0.4733
0.45 282.0 -0.5365 0.4187
0.45 294.0 -0.3775 0.475
0.45 306.0 0.0001 0.6655
0.55 66.0 -0.1261 0.5608
0.55 78.0 0.8041 0.5347
0.55 90.0 0.2193 0.6741
0.55 102.0 2.3104 2.3104
0.55 114.0 -0.8082 0.5134
0.55 126.0 -0.8998 0.6006
0.55 234.0 0.6146 0.6531
0.55 246.0 0.3088 0.5987
0.55 258.0 0.471 0.6097
0.55 270.0 -0.2569 0.501
0.55 282.0 0.4586 0.447
0.55 294.0 0.7281 0.5508
0.55 306.0 -0.6383 0.6378
0.65 66.0 1.0879 0.6531
0.65 78.0 -0.1938 0.6862
0.65 90.0 -0.041 0.7333
0.65 102.0 0.3586 0.6279
0.65 114.0 0.2897 0.5264
0.65 126.0 -0.216 0.4737
0.65 138.0 -0.3915 0.57
0.65 150.0 0.255 0.7229
0.65 210.0 0.5406 0.6615
0.65 222.0 -0.2172 0.4887
0.65 234.0 0.5563 0.483
0.65 246.0 -0.0479 0.4199
0.65 258.0 -0.1428 0.5355
0.65 270.0 -0.5369 0.4521
0.65 282.0 -0.2576 0.66
0.65 294.0 -0.2108 0.497
0.65 306.0 -0.2132 0.5122
0.75 66.0 0.2665 0.8159
0.75 102.0 0.3052 0.5172
0.75 114.0 -0.0535 0.4368
0.75 126.0 -0.5861 0.3629
0.75 138.0 -0.2504 0.4417
0.75 150.0 -0.4665 0.4976
0.75 198.0 1.0621 0.7068
0.75 210.0 0.462 0.5397
0.75 222.0 1.0523 0.4692
0.75 234.0 0.0635 0.3736
0.75 246.0 -0.5453 0.358
0.75 258.0 -0.3466 0.4295
0.75 270.0 0.5067 0.6235
0.75 282.0 0.7294 0.6686
0.75 294.0 0.6879 0.7241
0.85 102.0 0.7111 0.6514
0.85 114.0 -0.4904 0.4739
0.85 126.0 -0.2857 0.4354
0.85 138.0 -0.5638 0.4734
0.85 150.0 -0.351 0.6202
0.85 162.0 -1.0039 0.6062
0.85 210.0 1.0899 0.57
0.85 222.0 0.3417 0.4824
0.85 234.0 0.0941 0.4243
0.85 246.0 0.0629 0.4009
0.85 258.0 0.474 0.4793
0.85 270.0 0.4111 0.613
0.95 102.0 -0.2326 0.6477
0.95 114.0 -0.299 0.6092
0.95 210.0 0.2218 0.6636
0.95 222.0 1.2171 0.5537
0.95 234.0 0.3236 0.532
0.95 246.0 0.9229 0.5154
0.95 258.0 0.3505 0.4647