CLAS Physics Database

Measurement E151M1002

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: 0.3488
Q2: 0.1435 GeV2
W: 1385.0 GeV
Ebeam: 2.999 GeV
ε: 0.9632

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.05 54.0 0.4933 0.6906
0.05 66.0 0.2818 0.7771
0.05 306.0 -0.3136 0.5327
0.15 54.0 0.9674 0.6083
0.15 66.0 -0.079 0.6002
0.15 294.0 -0.1782 0.4671
0.15 306.0 -0.2886 0.4891
0.25 54.0 1.3377 0.639
0.25 66.0 -0.0096 0.4313
0.25 78.0 0.0872 0.5113
0.25 282.0 0.2891 0.6667
0.25 294.0 -0.4608 0.3854
0.25 306.0 -0.0428 0.4479
0.35 54.0 0.4062 0.7336
0.35 66.0 0.1675 0.3837
0.35 78.0 -0.15 0.4721
0.35 282.0 0.111 0.4267
0.35 294.0 0.4444 0.4216
0.35 306.0 -0.6005 0.5288
0.45 54.0 0.0163 0.5695
0.45 66.0 0.6711 0.4725
0.45 78.0 0.711 0.5522
0.45 270.0 -0.4172 0.5954
0.45 282.0 0.1696 0.4234
0.45 294.0 -0.4618 0.3685
0.45 306.0 0.5166 0.6293
0.55 54.0 -0.2792 0.5066
0.55 66.0 0.5199 0.6009
0.55 78.0 1.0527 0.5887
0.55 90.0 -0.0419 0.529
0.55 102.0 -0.9101 0.4184
0.55 114.0 0.2051 0.744
0.55 258.0 -0.7798 0.5271
0.55 270.0 0.1566 0.54
0.55 282.0 -0.473 0.3883
0.55 294.0 -1.025 0.4188
0.55 306.0 -0.5624 0.4466
0.65 54.0 1.0413 0.7091
0.65 66.0 0.746 0.7322
0.65 78.0 0.1243 0.4337
0.65 90.0 -0.2846 0.3459
0.65 102.0 0.1074 0.392
0.65 114.0 0.2846 0.4024
0.65 126.0 0.678 0.6961
0.65 234.0 0.1762 0.6312
0.65 246.0 0.8648 0.5261
0.65 258.0 -0.5136 0.3898
0.65 270.0 0.1411 0.3966
0.65 282.0 0.4984 0.4658
0.65 294.0 0.7827 0.8078
0.65 306.0 -0.7322 0.5576
0.75 66.0 0.0163 0.5998
0.75 78.0 -0.1523 0.4588
0.75 90.0 0.139 0.3025
0.75 102.0 -0.0832 0.2868
0.75 114.0 -0.043 0.3272
0.75 126.0 -0.5043 0.3779
0.75 138.0 -0.2784 0.4536
0.75 210.0 0.241 0.6496
0.75 222.0 -0.2864 0.5005
0.75 234.0 0.2675 0.4327
0.75 246.0 -0.4229 0.3016
0.75 258.0 -0.3101 0.3005
0.75 270.0 0.1286 0.343
0.75 282.0 0.2238 0.406
0.75 294.0 -0.4544 0.5592
0.85 66.0 -0.3401 0.4195
0.85 78.0 1.7996 0.6413
0.85 90.0 0.1304 0.3209
0.85 102.0 0.2612 0.2977
0.85 114.0 -0.6544 0.282
0.85 126.0 -0.298 0.3142
0.85 138.0 0.3063 0.4177
0.85 150.0 0.3057 0.5951
0.85 162.0 0.4846 0.8278
0.85 186.0 -0.7515 0.64
0.85 198.0 0.1636 0.5576
0.85 210.0 0.5171 0.4747
0.85 222.0 -0.2163 0.3951
0.85 234.0 -0.3988 0.3086
0.85 246.0 -0.0559 0.3094
0.85 258.0 -0.5501 0.2656
0.85 270.0 -0.2065 0.269
0.85 282.0 0.2681 0.2903
0.85 294.0 0.0856 0.4237
0.85 306.0 -0.5478 0.6505
0.95 66.0 0.0562 0.5057
0.95 78.0 0.2296 0.6081
0.95 90.0 -0.031 0.6704
0.95 102.0 -0.0838 0.4078
0.95 114.0 -0.0665 0.4032
0.95 126.0 -0.8983 0.3575
0.95 138.0 0.0434 0.5111
0.95 150.0 -0.4489 0.4751
0.95 162.0 -0.1511 0.7384
0.95 174.0 -0.3764 0.7049
0.95 186.0 0.1193 0.6375
0.95 198.0 -0.0505 0.5422
0.95 210.0 -0.2528 0.4249
0.95 222.0 -0.078 0.38
0.95 234.0 0.0837 0.3698
0.95 246.0 -0.3684 0.3109
0.95 258.0 0.2346 0.3526
0.95 270.0 -0.3682 0.2773
0.95 282.0 -0.0633 0.321
0.95 294.0 -0.2375 0.3116
0.95 306.0 0.0237 0.6248