CLAS Physics Database

Measurement E151M983

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: 0.7196
Q2: 0.2915 GeV2
W: 1325.0 GeV
Ebeam: 2.999 GeV
ε: 0.9542

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
-0.15 306.0 -0.7532 0.6058
-0.05 54.0 0.5068 0.8012
-0.05 306.0 -0.6434 0.5742
0.05 54.0 -0.2031 0.6925
0.05 66.0 1.3413 0.799
0.15 54.0 -1.3783 0.4829
0.15 66.0 -1.0746 0.459
0.15 306.0 0.859 0.8084
0.25 54.0 -0.6985 0.6477
0.25 66.0 0.1232 0.5741
0.25 78.0 1.2762 0.9161
0.25 294.0 0.3572 0.6812
0.25 306.0 -0.7781 0.5879
0.35 66.0 -0.7393 0.577
0.35 294.0 1.0138 0.8024
0.45 294.0 0.6326 0.7181
0.55 78.0 0.7718 0.6608
0.55 90.0 0.4744 0.5888
0.55 102.0 -1.0583 0.586
0.55 270.0 0.215 0.651
0.55 282.0 0.2063 0.5489
0.55 294.0 -0.6203 0.6234
0.65 66.0 0.2506 0.507
0.65 78.0 0.6406 0.5514
0.65 90.0 -0.4443 0.3751
0.65 102.0 -0.0807 0.5679
0.65 258.0 1.3388 0.7082
0.65 270.0 -0.2294 0.4095
0.65 282.0 0.0206 0.4186
0.65 294.0 -0.4565 0.451
0.75 54.0 0.2614 0.6294
0.75 66.0 0.5021 0.5083
0.75 78.0 0.2923 0.3977
0.75 90.0 -0.1915 0.3458
0.75 102.0 0.4346 0.4408
0.75 114.0 0.1972 0.4958
0.75 234.0 0.4286 0.8231
0.75 246.0 -0.058 0.5389
0.75 258.0 0.1045 0.5125
0.75 270.0 0.6911 0.4019
0.75 282.0 0.0804 0.3776
0.75 294.0 0.0996 0.422
0.75 306.0 -0.3114 0.4306
0.85 42.0 0.071 0.7198
0.85 66.0 -0.5473 0.4215
0.85 78.0 -0.1473 0.3472
0.85 90.0 -0.3156 0.3534
0.85 102.0 0.2764 0.4026
0.85 114.0 0.8322 0.4834
0.85 126.0 0.6964 0.6036
0.85 210.0 -0.2945 0.6162
0.85 222.0 -0.0994 0.5679
0.85 234.0 -0.1751 0.4383
0.85 246.0 0.6866 0.4534
0.85 258.0 0.1299 0.4154
0.85 270.0 -0.8808 0.3095
0.85 282.0 -0.1637 0.3559
0.85 294.0 -0.3254 0.3302
0.85 306.0 -0.5896 0.2807
0.85 318.0 -0.418 0.4563
0.95 54.0 0.7949 0.7674
0.95 66.0 0.254 0.6078
0.95 78.0 -0.1974 0.4812
0.95 90.0 -0.8423 0.4052
0.95 102.0 1.1727 0.6152
0.95 114.0 -0.54 0.4376
0.95 126.0 0.181 0.5763
0.95 138.0 -0.0148 0.6099
0.95 174.0 0.0326 0.7396
0.95 186.0 0.9868 0.8084
0.95 198.0 -1.4364 0.3927
0.95 210.0 -0.8087 0.4272
0.95 222.0 -0.5362 0.4346
0.95 234.0 -0.1763 0.4653
0.95 246.0 0.275 0.4929
0.95 258.0 -0.0272 0.4473
0.95 270.0 -0.0438 0.4079
0.95 282.0 0.4162 0.4294
0.95 294.0 0.0471 0.39
0.95 306.0 0.21 0.4259
0.95 318.0 -0.9244 0.3089
0.95 330.0 0.3551 0.5858